Changes for page LT-22222-L -- LoRa I/O Controller User Manual

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1	1	(% style="text-align:center" %)
2	2	[[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3	3
4		-**LT-22222-L LoRa IO Controller User Manual **
5	5
6	6
7	7	**Table of Contents:**
...	...	@@ -16,13 +16,16 @@
16	16
17	17	= 1.Introduction =
18	18
	18	+
19	19	== 1.1 What is LT Series I/O Controller ==
20	20
21	21	(((
22	22
23	23
	24	+(((
24	24	The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25	25	)))
	27	+)))
26	26
27	27	(((
28	28	The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
...	...	@@ -37,11 +37,13 @@
37	37	)))
38	38
39	39	(((
40		-1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
	42	+1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
41	41	)))
42	42
43	43	(((
44	44	2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
	47	+
	48	+
45	45	)))
46	46
47	47	(((
...	...	@@ -56,7 +56,7 @@
56	56	(((
57	57
58	58
59		-**Hardware System:**
	63	+(% style="color:#037691" %)**Hardware System:**
60	60	)))
61	61
62	62	* (((
...	...	@@ -81,7 +81,7 @@
81	81	(((
82	82
83	83
84		-**Interface for Model: LT22222-L:**
	88	+(% style="color:#037691" %)**Interface for Model: LT22222-L:**
85	85	)))
86	86
87	87	* (((
...	...	@@ -106,7 +106,7 @@
106	106	(((
107	107
108	108
109		-**LoRa Spec:**
	113	+(% style="color:#037691" %)**LoRa Spec:**
110	110	)))
111	111
112	112	* (((
...	...	@@ -173,16 +173,21 @@
173	173
174	174	== 1.3 Features ==
175	175
	180	+
176	176	* LoRaWAN Class A & Class C protocol
177	177	* Optional Customized LoRa Protocol
178		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
	183	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
179	179	* AT Commands to change parameters
180	180	* Remote configure parameters via LoRa Downlink
181	181	* Firmware upgradable via program port
182	182	* Counting
183	183
	189	+
	190	+
	191	+
184	184	== 1.4  Applications ==
185	185
	194	+
186	186	* Smart Buildings & Home Automation
187	187	* Logistics and Supply Chain Management
188	188	* Smart Metering
...	...	@@ -190,8 +190,12 @@
190	190	* Smart Cities
191	191	* Smart Factory
192	192
	202	+
	203	+
	204	+
193	193	== 1.5 Hardware Variants ==
194	194
	207	+
195	195	(% border="1" style="background-color:#f7faff; width:500px" %)
196	196	|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
197	197	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
...	...	@@ -205,12 +205,18 @@
205	205
206	206
207	207
	221	+
208	208	= 2. Power ON Device =
209	209
	224	+
	225	+(((
210	210	The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
	227	+)))
211	211
212	212	(((
213	213	PWR will on when device is properly powered.
	231	+
	232	+
214	214	)))
215	215
216	216	[[image:1653297104069-180.png]]
...	...	@@ -219,21 +219,27 @@
219	219
220	220	= 3. Operation Mode =
221	221
	241	+
222	222	== 3.1 How it works? ==
223	223
	244	+
224	224	(((
225		-The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second.
	246	+The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
226	226	)))
227	227
228	228	(((
229		-In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
	250	+In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
230	230	)))
231	231
232	232
	254	+
233	233	== 3.2 Example to join LoRaWAN network ==
234	234
	257	+
235	235	(((
236	236	This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
	260	+
	261	+
237	237	)))
238	238
239	239	[[image:image-20220523172350-1.png||height="266" width="864"]]
...	...	@@ -241,6 +241,8 @@
241	241
242	242	(((
243	243	The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
	269	+
	270	+
244	244	)))
245	245
246	246	(((
...	...	@@ -256,18 +256,21 @@
256	256
257	257	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
258	258
259		-Add APP EUI in the application.
	286	+**Add APP EUI in the application.**
260	260
261	261	[[image:1653297955910-247.png||height="321" width="716"]]
262	262
263	263
264		-Add APP KEY and DEV EUI
	291	+**Add APP KEY and DEV EUI**
265	265
266	266	[[image:1653298023685-319.png]]
267	267
268	268
	296	+
269	269	(((
270	270	(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
	299	+
	300	+
271	271	)))
272	272
273	273	[[image:1653298044601-602.png||height="405" width="709"]]
...	...	@@ -276,18 +276,25 @@
276	276
277	277	== 3.3 Uplink Payload ==
278	278
	309	+
279	279	There are five working modes + one interrupt mode on LT for different type application:
280	280
281		-* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
282		-* **MOD2**: Double DI Counting + DO + RO
283		-* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
284		-* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
285		-* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286		-* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
	312	+* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	313	+* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	314	+* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	315	+* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	316	+* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	317	+* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287	287
	319	+
	320	+
	321	+
288	288	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
289	289
	324	+
	325	+(((
290	290	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
	327	+)))
291	291
292	292	[[image:image-20220523174024-3.png]]
293	293
...	...	@@ -303,7 +303,7 @@
303	303	* DI is for digital input. DIx=1: high or float, DIx=0: low.
304	304	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
305	305
306		-(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
	343	+(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
307	307
308	308	For example if payload is: [[image:image-20220523175847-2.png]]
309	309
...	...	@@ -338,10 +338,15 @@
338	338	** DO1 is high in case there is load between DO1 and V+.
339	339	** DO1 LED is off in both case
340	340
	378	+
	379	+
	380	+
341	341	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
342	342
343	343
	384	+(((
344	344	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
	386	+)))
345	345
346	346	(((
347	347	Total : 11 bytes payload
...	...	@@ -361,7 +361,7 @@
361	361	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
362	362
363	363	(((
364		-(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	406	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
365	365	)))
366	366
367	367	(((
...	...	@@ -373,16 +373,22 @@
373	373	(% class="box infomessage" %)
374	374	(((
375	375	(((
	418	+(((
376	376	**AT+MOD=2**
	420	+)))
377	377
	422	+(((
378	378	**ATZ**
379	379	)))
380	380	)))
	426	+)))
381	381
382	382	(((
383	383
384	384
385	385	(% style="color:#4f81bd" %)**AT Commands for counting:**
	432	+
	433	+
386	386	)))
387	387
388	388	(((
...	...	@@ -406,11 +406,14 @@
406	406
407	407	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
408	408
	457	+
409	409	**LT22222-L**: This mode the DI1 is used as a counting pin.
410	410
411	411	[[image:image-20220523181246-5.png]]
412	412
413	413	(((
	463	+
	464	+
414	414	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
415	415	)))
416	416
...	...	@@ -421,9 +421,10 @@
421	421	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
422	422
423	423	(((
424		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	475	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
425	425	)))
426	426
	478	+
427	427	(((
428	428	**To use counting mode, please run:**
429	429	)))
...	...	@@ -431,11 +431,15 @@
431	431	(% class="box infomessage" %)
432	432	(((
433	433	(((
	486	+(((
434	434	**AT+MOD=3**
	488	+)))
435	435
	490	+(((
436	436	**ATZ**
437	437	)))
438	438	)))
	494	+)))
439	439
440	440	(((
441	441	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -446,9 +446,13 @@
446	446	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
447	447
448	448
	505	+(((
449	449	**LT22222-L**: This mode the DI1 is used as a counting pin.
	507	+)))
450	450
	509	+(((
451	451	The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
	511	+)))
452	452
453	453	[[image:image-20220523181903-8.png]]
454	454
...	...	@@ -464,7 +464,7 @@
464	464	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
465	465
466	466	(((
467		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	527	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
468	468	)))
469	469
470	470	(((
...	...	@@ -476,14 +476,17 @@
476	476	(% class="box infomessage" %)
477	477	(((
478	478	(((
	539	+(((
479	479	**AT+MOD=4**
	541	+)))
480	480
	543	+(((
481	481	**ATZ**
482	482	)))
483	483	)))
	547	+)))
484	484
485	485
486		-
487	487	(((
488	488	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
489	489	)))
...	...	@@ -525,7 +525,7 @@
525	525	)))
526	526
527	527	(((
528		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	591	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
529	529	)))
530	530
531	531	(((
...	...	@@ -537,11 +537,15 @@
537	537	(% class="box infomessage" %)
538	538	(((
539	539	(((
	603	+(((
540	540	**AT+MOD=5**
	605	+)))
541	541
	607	+(((
542	542	**ATZ**
543	543	)))
544	544	)))
	611	+)))
545	545
546	546	(((
547	547	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -556,8 +556,8 @@
556	556
557	557	For example, if user has configured below commands:
558	558
559		-* **AT+MOD=1 ** **~-~->** The normal working mode
560		-* **AT+ADDMOD6=1**   **~-~->** Enable trigger
	626	+* **AT+MOD=1 ** **~-~->**  The normal working mode
	627	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
561	561
562	562	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
563	563
...	...	@@ -564,13 +564,14 @@
564	564	1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
565	565	1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
566	566
567		-
568	568	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
569	569
	636	+
570	570	(% style="color:#4f81bd" %)**Trigger base on voltage**:
571	571
572	572	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
573	573
	641	+
574	574	**Example:**
575	575
576	576	AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
...	...	@@ -583,6 +583,7 @@
583	583
584	584	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
585	585
	654	+
586	586	**Example:**
587	587
588	588	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
...	...	@@ -601,6 +601,7 @@
601	601	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
602	602
603	603
	673	+
604	604	(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
605	605
606	606	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
...	...	@@ -649,6 +649,7 @@
649	649	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
650	650
651	651
	722	+
652	652	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
653	653
654	654	[[image:image-20220524090249-3.png]]
...	...	@@ -660,6 +660,7 @@
660	660	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
661	661
662	662
	734	+
663	663	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
664	664
665	665	[[image:image-20220524090456-4.png]]
...	...	@@ -673,6 +673,7 @@
673	673	00000101: Means both DI1 and DI2 trigger are enabled.
674	674
675	675
	748	+
676	676	(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
677	677
678	678	Downlink command to poll MOD6 status:
...	...	@@ -688,39 +688,50 @@
688	688	(((
689	689
690	690
691		-**Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
692		-
693		-
	764	+**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
694	694	)))
695	695
696	696
	768	+
697	697	== 3.4 ​Configure LT via AT or Downlink ==
698	698
	771	+
	772	+(((
699	699	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
	774	+)))
700	700
701	701	(((
	777	+(((
702	702	There are two kinds of Commands:
703	703	)))
	780	+)))
704	704
705		-* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	782	+* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
706	706
707		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
	784	+* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
708	708
	786	+
	787	+
709	709	=== 3.4.1 Common Commands ===
710	710
	790	+
	791	+(((
711	711	They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	793	+)))
712	712
713	713
714	714
715	715	=== 3.4.2 Sensor related commands ===
716	716
	799	+
717	717	==== 3.4.2.1 Set Transmit Interval ====
718	718
	802	+
719	719	Set device uplink interval.
720	720
721	721	* (% style="color:#037691" %)**AT Command:**
722	722
723		-**AT+TDC=N **
	807	+**(% style="color:blue" %)AT+TDC=N **
724	724
725	725
726	726	**Example: **AT+TDC=30000. Means set interval to 30 seconds
...	...	@@ -728,7 +728,7 @@
728	728
729	729	* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
730	730
731		-**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
	815	+**(% style="color:blue" %)0x01 aa bb cc  (%%)   ~/~/ Same as AT+TDC=0x(aa bb cc)**
732	732
733	733
734	734
...	...	@@ -735,11 +735,12 @@
735	735
736	736	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
737	737
	822	+
738	738	Set work mode.
739	739
740	740	* (% style="color:#037691" %)**AT Command:**
741	741
742		-**AT+MOD=N  **
	827	+**(% style="color:blue" %)AT+MOD=N  **
743	743
744	744
745	745	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
...	...	@@ -747,7 +747,7 @@
747	747
748	748	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
749	749
750		-**0x0A aa    ** ~/~/ Same as AT+MOD=aa
	835	+**(% style="color:blue" %)0x0A aa  (%%)  ** ~/~/ Same as AT+MOD=aa
751	751
752	752
753	753
...	...	@@ -754,6 +754,7 @@
754	754
755	755	==== 3.4.2.3 Poll an uplink ====
756	756
	842	+
757	757	* (% style="color:#037691" %)**AT Command:**
758	758
759	759	There is no AT Command to poll uplink
...	...	@@ -761,28 +761,31 @@
761	761
762	762	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
763	763
764		-**0x08 FF     **~/~/ Poll an uplink
	850	+**(% style="color:blue" %)0x08 FF  (%%)   **~/~/ Poll an uplink
765	765
	852	+
766	766	**Example**: 0x08FF, ask device to send an Uplink
767	767
768	768
769	769
	857	+
770	770	==== 3.4.2.4 Enable Trigger Mode ====
771	771
	860	+
772	772	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
773	773
774	774	* (% style="color:#037691" %)**AT Command:**
775	775
776		-**AT+ADDMOD6=1 or 0**
	865	+**(% style="color:blue" %)AT+ADDMOD6=1 or 0**
777	777
778		-1: Enable Trigger Mode
	867	+**(% style="color:red" %)1:** Enable Trigger Mode
779	779
780		-0: Disable Trigger Mode
	869	+**(% style="color:red" %)0: **Disable Trigger Mode
781	781
782	782
783	783	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
784	784
785		-**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
	874	+**(% style="color:blue" %)0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
786	786
787	787
788	788
...	...	@@ -789,6 +789,7 @@
789	789
790	790	==== 3.4.2.5 Poll trigger settings ====
791	791
	881	+
792	792	Poll trigger settings,
793	793
794	794	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -798,7 +798,7 @@
798	798
799	799	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
800	800
801		-**0xAB 06  **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
	891	+**(% style="color:blue" %)0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
802	802
803	803
804	804
...	...	@@ -805,6 +805,7 @@
805	805
806	806	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
807	807
	898	+
808	808	Enable Disable DI1/DI2/DI2 as trigger,
809	809
810	810	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -818,7 +818,7 @@
818	818
819	819	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
820	820
821		-**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
	912	+**(% style="color:blue" %)0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
822	822
823	823
824	824
...	...	@@ -825,11 +825,12 @@
825	825
826	826	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
827	827
	919	+
828	828	Set DI1 or DI3(for LT-33222-L) trigger.
829	829
830	830	* (% style="color:#037691" %)**AT Command:**
831	831
832		-**AT+TRIG1=a,b**
	924	+**(% style="color:blue" %)AT+TRIG1=a,b**
833	833
834	834	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
835	835
...	...	@@ -844,11 +844,9 @@
844	844	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
845	845	* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
846	846
847		-
848		-
849		-
850	850	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
851	851
	941	+
852	852	Set DI2 trigger.
853	853
854	854	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -875,6 +875,7 @@
875	875
876	876	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
877	877
	968	+
878	878	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
879	879
880	880	* (% style="color:#037691" %)**AT Command**
...	...	@@ -891,6 +891,7 @@
891	891
892	892	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
893	893
	985	+
894	894	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
895	895
896	896	* (% style="color:#037691" %)**AT Command**
...	...	@@ -907,11 +907,12 @@
907	907
908	908	==== 3.4.2.11 Trigger – Set minimum interval ====
909	909
	1002	+
910	910	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
911	911
912	912	* (% style="color:#037691" %)**AT Command**
913	913
914		-**AT+ATDC=5  ** Device won't response the second trigger within 5 minute after the first trigger.
	1007	+**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
915	915
916	916
917	917	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
...	...	@@ -918,11 +918,18 @@
918	918
919	919	**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
920	920
	1014	+(((
	1015	+
921	921
	1017	+(% style="color:red" %)**Note: ATDC setting must be more than 5min**
	1018	+)))
922	922
923	923
	1021	+
	1022	+
924	924	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
925	925
	1025	+
926	926	* (% style="color:#037691" %)**AT Command**
927	927
928	928	There is no AT Command to control Digital Output
...	...	@@ -942,11 +942,11 @@
942	942	[[image:image-20220524092754-5.png]]
943	943
944	944	(((
945		-(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
	1045	+(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
946	946	)))
947	947
948	948	(((
949		-(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
	1049	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
950	950	)))
951	951
952	952
...	...	@@ -954,6 +954,7 @@
954	954
955	955	==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
956	956
	1057	+
957	957	* (% style="color:#037691" %)**AT Command**
958	958
959	959	There is no AT Command to control Digital Output
...	...	@@ -990,11 +990,11 @@
990	990	[[image:image-20220524093351-8.png]]
991	991
992	992
993		-(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
	1094	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
994	994
995	995	Latching time. Unit: ms
996	996
997		-Device will upload a packet if downlink code executes successfully.
	1098	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
998	998
999	999
1000	1000	**Example payload:**
...	...	@@ -1020,6 +1020,7 @@
1020	1020
1021	1021	==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1022	1022
	1124	+
1023	1023	* (% style="color:#037691" %)**AT Command:**
1024	1024
1025	1025	There is no AT Command to control Relay Output
...	...	@@ -1042,7 +1042,7 @@
1042	1042	[[image:image-20220524093724-9.png]]
1043	1043	)))
1044	1044
1045		-Device will upload a packet if downlink code executes successfully.
	1147	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1046	1046
1047	1047
1048	1048
...	...	@@ -1049,6 +1049,7 @@
1049	1049
1050	1050	==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1051	1051
	1154	+
1052	1052	* (% style="color:#037691" %)**AT Command:**
1053	1053
1054	1054	There is no AT Command to control Relay Output
...	...	@@ -1072,37 +1072,37 @@
1072	1072
1073	1073	(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1074	1074
1075		-[[image:image-20220524093831-10.png]]
	1178	+[[image:image-20221008095908-1.png||height="364" width="564"]]
1076	1076
1077	1077
1078		-(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
	1181	+(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1079	1079
1080		-Device will upload a packet if downlink code executes successfully.
	1183	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1081	1081
1082	1082
1083	1083	**Example payload:**
1084	1084
1085		-**~1. 05 01 11 07 D0**
	1188	+**~1. 05 01 11 07 D**
1086	1086
1087		-Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
	1190	+Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1088	1088
1089	1089	**2. 05 01 10 07 D0**
1090	1090
1091		-Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
	1194	+Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1092	1092
1093	1093	**3. 05 00 01 07 D0**
1094	1094
1095		-Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
	1198	+Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1096	1096
1097	1097	**4. 05 00 00 07 D0**
1098	1098
1099		-Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
	1202	+Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1100	1100
1101	1101
1102	1102
1103		-
1104	1104	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1105	1105
	1208	+
1106	1106	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1107	1107
1108	1108	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1119,6 +1119,7 @@
1119	1119
1120	1120	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1121	1121
	1225	+
1122	1122	* (% style="color:#037691" %)**AT Command:**
1123	1123
1124	1124	**AT+SETCNT=aa,(bb cc dd ee) **
...	...	@@ -1141,11 +1141,12 @@
1141	1141
1142	1142	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1143	1143
	1248	+
1144	1144	Clear counting for counting mode
1145	1145
1146	1146	* (% style="color:#037691" %)**AT Command:**
1147	1147
1148		-(% style="color:#037691" %)​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
	1253	+**AT+CLRCOUNT ** ~/~/ clear all counting
1149	1149
1150	1150
1151	1151	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
...	...	@@ -1157,6 +1157,7 @@
1157	1157
1158	1158	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1159	1159
	1265	+
1160	1160	* (% style="color:#037691" %)**AT Command:**
1161	1161
1162	1162	**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
...	...	@@ -1169,13 +1169,127 @@
1169	1169	(((
1170	1170	range: aa bb cc:0 to 16777215,  (unit:second)
1171	1171
	1278	+
	1279	+
1172	1172
1173	1173	)))
1174	1174
	1283	+==== 3.4.2.20 Reset save DR DO state ====
1175	1175
1176	1176
	1286	+* (% style="color:#037691" %)**AT Command:**
	1287	+
	1288	+**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
	1289	+
	1290	+**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
	1291	+
	1292	+
	1293	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
	1294	+
	1295	+**0x AD aa      **~/~/ same as AT+RODORET =aa
	1296	+
	1297	+(((
	1298	+
	1299	+
	1300	+
	1301	+
	1302	+==== 3.4.2.21 Encrypted payload ====
	1303	+
	1304	+
	1305	+* (% style="color:#037691" %)**AT Command:**
	1306	+
	1307	+**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
	1308	+
	1309	+**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
	1310	+
	1311	+
	1312	+
	1313	+
	1314	+==== 3.4.2.22 Get sensor value ====
	1315	+
	1316	+
	1317	+* (% style="color:#037691" %)**AT Command:**
	1318	+
	1319	+**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
	1320	+
	1321	+**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
	1322	+
	1323	+
	1324	+
	1325	+
	1326	+==== 3.4.2.23 Resets the downlink packet count ====
	1327	+
	1328	+
	1329	+* (% style="color:#037691" %)**AT Command:**
	1330	+
	1331	+**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
	1332	+
	1333	+**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
	1334	+
	1335	+
	1336	+
	1337	+
	1338	+==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
	1339	+
	1340	+
	1341	+* (% style="color:#037691" %)**AT Command:**
	1342	+
	1343	+ **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
	1344	+
	1345	+ **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
	1346	+
	1347	+
	1348	+* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
	1349	+
	1350	+**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
	1351	+
	1352	+
	1353	+
	1354	+
	1355	+==== 3.4.2.25 Copy downlink to uplink ====
	1356	+
	1357	+
	1358	+* (% style="color:#037691" %)**AT Command**(%%)**:**
	1359	+
	1360	+ **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
	1361	+
	1362	+Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
	1363	+
	1364	+
	1365	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
	1366	+
	1367	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1368	+
	1369	+
	1370	+
	1371	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
	1372	+
	1373	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1374	+
	1375	+
	1376	+
	1377	+==== 3.4.2.26 Query version number and frequency band 、TDC ====
	1378	+
	1379	+
	1380	+* (((
	1381	+(% style="color:#037691" %)**Downlink Payload**(%%)**:**
	1382	+
	1383	+**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1384	+
	1385	+
	1386	+)))
	1387	+
	1388	+**Example：**
	1389	+
	1390	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
	1391	+
	1392	+
	1393	+
	1394	+)))
	1395	+
1177	1177	== 3.5 Integrate with Mydevice ==
1178	1178
	1398	+
1179	1179	Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1180	1180
1181	1181	(((
...	...	@@ -1184,14 +1184,15 @@
1184	1184
1185	1185	(((
1186	1186	(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
	1407	+
	1408	+
1187	1187	)))
1188	1188
1189		-[[image:1653356737703-362.png||height="232" width="732"]]
	1411	+[[image:image-20220719105525-1.png||height="377" width="677"]]
1190	1190
1191		-[[image:image-20220524094641-11.png||height="390" width="723"]]
1192	1192
1193	1193
1194		-[[image:image-20220524094641-12.png||height="402" width="718"]]
	1415	+[[image:image-20220719110247-2.png||height="388" width="683"]]
1195	1195
1196	1196
1197	1197	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
...	...	@@ -1224,8 +1224,10 @@
1224	1224
1225	1225	== 3.6 Interface Detail ==
1226	1226
	1448	+
1227	1227	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1228	1228
	1451	+
1229	1229	Support NPN Type sensor
1230	1230
1231	1231	[[image:1653356991268-289.png]]
...	...	@@ -1234,6 +1234,7 @@
1234	1234
1235	1235	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1236	1236
	1460	+
1237	1237	(((
1238	1238	The DI port of LT-22222-L can support NPN or PNP output sensor.
1239	1239	)))
...	...	@@ -1240,7 +1240,9 @@
1240	1240
1241	1241	(((
1242	1242	(((
1243		-Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high
	1467	+Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
	1468	+
	1469	+
1244	1244	)))
1245	1245	)))
1246	1246
...	...	@@ -1265,10 +1265,10 @@
1265	1265	)))
1266	1266
1267	1267	* (((
1268		-Connect sensor’s output to DI1-
	1494	+Connect sensor's output to DI1-
1269	1269	)))
1270	1270	* (((
1271		-Connect sensor’s VCC to DI1+.
	1497	+Connect sensor's VCC to DI1+.
1272	1272	)))
1273	1273
1274	1274	(((
...	...	@@ -1276,15 +1276,17 @@
1276	1276	)))
1277	1277
1278	1278	(((
1279		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
	1505	+[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1280	1280	)))
1281	1281
1282	1282	(((
1283		-If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
	1509	+If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1284	1284	)))
1285	1285
1286	1286	(((
1287	1287
	1514	+
	1515	+
1288	1288	)))
1289	1289
1290	1290	(((
...	...	@@ -1296,10 +1296,10 @@
1296	1296	)))
1297	1297
1298	1298	* (((
1299		-Connect sensor’s output to DI1+
	1527	+Connect sensor's output to DI1+
1300	1300	)))
1301	1301	* (((
1302		-Connect sensor’s GND DI1-.
	1530	+Connect sensor's GND DI1-.
1303	1303	)))
1304	1304
1305	1305	(((
...	...	@@ -1316,6 +1316,8 @@
1316	1316
1317	1317	(((
1318	1318
	1547	+
	1548	+
1319	1319	)))
1320	1320
1321	1321	(((
...	...	@@ -1327,10 +1327,10 @@
1327	1327	)))
1328	1328
1329	1329	* (((
1330		-Connect sensor’s output to DI1+ with a serial 50K resistor
	1560	+Connect sensor's output to DI1+ with a serial 50K resistor
1331	1331	)))
1332	1332	* (((
1333		-Connect sensor’s GND DI1-.
	1563	+Connect sensor's GND DI1-.
1334	1334	)))
1335	1335
1336	1336	(((
...	...	@@ -1349,6 +1349,7 @@
1349	1349
1350	1350	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1351	1351
	1582	+
1352	1352	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1353	1353
1354	1354	[[image:1653357531600-905.png]]
...	...	@@ -1357,6 +1357,7 @@
1357	1357
1358	1358	=== 3.6.4 Analog Input Interface ===
1359	1359
	1591	+
1360	1360	The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1361	1361
1362	1362
...	...	@@ -1369,13 +1369,13 @@
1369	1369	We take the wind speed sensor as an example for reference only.
1370	1370
1371	1371
1372		-**Specifications of the wind speed sensor:**
	1604	+(% style="color:blue" %)**Specifications of the wind speed sensor:**
1373	1373
1374		-Red:  12~~24v
	1606	+**Red:  12~~24v**
1375	1375
1376		-Yellow:  4~~20mA
	1608	+**Yellow:  4~~20mA**
1377	1377
1378		-Black:  GND
	1610	+**Black:  GND**
1379	1379
1380	1380
1381	1381	**Connection diagram:**
...	...	@@ -1388,6 +1388,7 @@
1388	1388
1389	1389	=== 3.6.5 Relay Output ===
1390	1390
	1623	+
1391	1391	(((
1392	1392	The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1393	1393	)))
...	...	@@ -1394,6 +1394,7 @@
1394	1394
1395	1395	[[image:image-20220524100215-9.png]]
1396	1396
	1630	+
1397	1397	[[image:image-20220524100215-10.png||height="382" width="723"]]
1398	1398
1399	1399
...	...	@@ -1400,6 +1400,7 @@
1400	1400
1401	1401	== 3.7 LEDs Indicators ==
1402	1402
	1637	+
1403	1403	[[image:image-20220524100748-11.png]]
1404	1404
1405	1405
...	...	@@ -1406,10 +1406,18 @@
1406	1406
1407	1407	= 4. Use AT Command =
1408	1408
	1644	+
1409	1409	== 4.1 Access AT Command ==
1410	1410
	1647	+
	1648	+(((
1411	1411	LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
	1650	+)))
1412	1412
	1652	+(((
	1653	+
	1654	+)))
	1655	+
1413	1413	[[image:1653358238933-385.png]]
1414	1414
1415	1415
...	...	@@ -1437,7 +1437,7 @@
1437	1437	)))
1438	1438
1439	1439	(((
1440		-AT+<CMD>=?       : Get the value
	1683	+AT+<CMD>=?       :  Get the value
1441	1441	)))
1442	1442
1443	1443	(((
...	...	@@ -1465,11 +1465,11 @@
1465	1465	)))
1466	1466
1467	1467	(((
1468		-AT+APPSKEY: Get or Set the Application Session Key
	1711	+AT+APPSKEY:  Get or Set the Application Session Key
1469	1469	)))
1470	1470
1471	1471	(((
1472		-AT+APPEUI: Get or Set the Application EUI
	1715	+AT+APPEUI:  Get or Set the Application EUI
1473	1473	)))
1474	1474
1475	1475	(((
...	...	@@ -1481,7 +1481,7 @@
1481	1481	)))
1482	1482
1483	1483	(((
1484		-AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1727	+AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1485	1485	)))
1486	1486
1487	1487	(((
...	...	@@ -1517,7 +1517,7 @@
1517	1517	)))
1518	1518
1519	1519	(((
1520		-AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1763	+AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1521	1521	)))
1522	1522
1523	1523	(((
...	...	@@ -1561,7 +1561,7 @@
1561	1561	)))
1562	1562
1563	1563	(((
1564		-AT+VER: Get current image version and Frequency Band
	1807	+AT+VER:  Get current image version and Frequency Band
1565	1565	)))
1566	1566
1567	1567	(((
...	...	@@ -1569,7 +1569,7 @@
1569	1569	)))
1570	1570
1571	1571	(((
1572		-AT+CFS: Get confirmation status of the last AT+SEND (0-1)
	1815	+AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1573	1573	)))
1574	1574
1575	1575	(((
...	...	@@ -1612,45 +1612,48 @@
1612	1612
1613	1613	== 4.2 Common AT Command Sequence ==
1614	1614
	1858	+
1615	1615	=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1616	1616
1617	1617	(((
1618	1618
1619	1619
1620		-**If device has not joined network yet:**
	1864	+(((
	1865	+(% style="color:blue" %)**If device has not joined network yet:**
1621	1621	)))
	1867	+)))
1622	1622
1623	1623	(((
1624		-(% style="background-color:#dcdcdc" %)123456
	1870	+(% style="background-color:#dcdcdc" %)**123456**
1625	1625	)))
1626	1626
1627	1627	(((
1628		-(% style="background-color:#dcdcdc" %)AT+FDR
	1874	+(% style="background-color:#dcdcdc" %)**AT+FDR**
1629	1629	)))
1630	1630
1631	1631	(((
1632		-(% style="background-color:#dcdcdc" %)123456
	1878	+(% style="background-color:#dcdcdc" %)**123456**
1633	1633	)))
1634	1634
1635	1635	(((
1636		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1882	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1637	1637	)))
1638	1638
1639	1639	(((
1640		-(% style="background-color:#dcdcdc" %)ATZ
	1886	+(% style="background-color:#dcdcdc" %)**ATZ**
1641	1641	)))
1642	1642
1643	1643
1644	1644	(((
1645		-**If device already joined network:**
	1891	+(% style="color:blue" %)**If device already joined network:**
1646	1646	)))
1647	1647
1648	1648	(((
1649		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1895	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1650	1650	)))
1651	1651
1652	1652	(((
1653		-(% style="background-color:#dcdcdc" %)ATZ
	1899	+(% style="background-color:#dcdcdc" %)**ATZ**
1654	1654	)))
1655	1655
1656	1656
...	...	@@ -1660,55 +1660,57 @@
1660	1660	(((
1661	1661
1662	1662
1663		-(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
	1909	+(((
	1910	+(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1664	1664	)))
	1912	+)))
1665	1665
1666	1666	(((
1667		-(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
	1915	+(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1668	1668	)))
1669	1669
1670	1670	(((
1671		-(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
	1919	+(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1672	1672	)))
1673	1673
1674	1674	(((
1675		-(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
	1923	+(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1676	1676	)))
1677	1677
1678	1678	(((
1679		-(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
	1927	+(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1680	1680	)))
1681	1681
1682	1682	(((
1683		-(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
	1931	+(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1684	1684	)))
1685	1685
1686	1686	(((
1687		-(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
	1935	+(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1688	1688	)))
1689	1689
1690	1690	(((
1691		-(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
	1939	+(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1692	1692	)))
1693	1693
1694	1694	(((
1695		-(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
	1943	+(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1696	1696	)))
1697	1697
1698	1698	(((
1699		-(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
	1947	+(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1700	1700	)))
1701	1701
1702	1702	(((
1703		-(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
	1951	+(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1704	1704	)))
1705	1705
1706	1706	(((
1707		-(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1955	+(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1708	1708	)))
1709	1709
1710	1710	(((
1711		-(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
	1959	+(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1712	1712
1713	1713
1714	1714	)))
...	...	@@ -1718,10 +1718,16 @@
1718	1718	)))
1719	1719
1720	1720	(((
1721		-(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1722		-2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1723		-3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1724		-4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
	1969	+**~1. Make sure the device is set to ABP mode in the IoT Server.**
	1970	+
	1971	+**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
	1972	+
	1973	+**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
	1974	+dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
	1975	+
	1976	+**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
	1977	+
	1978	+
1725	1725	)))
1726	1726
1727	1727	(((
...	...	@@ -1735,13 +1735,19 @@
1735	1735
1736	1736	=== 4.2.3 Change to Class A ===
1737	1737
1738		-If sensor JOINED
1739		-(% style="background-color:#dcdcdc" %)AT+CLASS=A
1740		-ATZ
1741	1741
	1993	+(((
	1994	+(% style="color:blue" %)If sensor JOINED:
1742	1742
	1996	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A
	1997	+ATZ**
	1998	+)))
	1999	+
	2000	+
	2001	+
1743	1743	= 5. FAQ =
1744	1744
	2004	+
1745	1745	== 5.1 How to upgrade the image? ==
1746	1746
1747	1747
...	...	@@ -1758,14 +1758,18 @@
1758	1758
1759	1759	(((
1760	1760	(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1761		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	2021	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1762	1762	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1763	1763
1764	1764
	2025	+(((
1765	1765	(% style="color:blue" %)**For LT-22222-L**(%%):
1766		-Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
	2027	+Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1767	1767	)))
1768	1768
	2030	+
	2031	+)))
	2032	+
1769	1769	[[image:image-20220524103407-12.png]]
1770	1770
1771	1771	[[image:image-20220524103429-13.png]]
...	...	@@ -1775,6 +1775,7 @@
1775	1775
1776	1776	(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1777	1777
	2042	+
1778	1778	[[image:1653360054704-518.png||height="186" width="745"]]
1779	1779
1780	1780
...	...	@@ -1783,6 +1783,8 @@
1783	1783
1784	1784
1785	1785	== 5.2 How to change the LoRa Frequency Bands/Region? ==
	2051	+
	2052	+
1786	1786	)))
1787	1787	)))
1788	1788
...	...	@@ -1793,7 +1793,10 @@
1793	1793	(((
1794	1794
1795	1795
	2063	+
1796	1796	== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	2065	+
	2066	+
1797	1797	)))
1798	1798
1799	1799	(((
...	...	@@ -1806,38 +1806,45 @@
1806	1806	(((
1807	1807	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1808	1808
	2079	+
1809	1809
1810	1810	)))
1811	1811	)))
1812	1812
1813	1813	(((
1814		-(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	2085	+(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	2086	+
	2087	+
1815	1815	)))
1816	1816
1817	1817	(((
1818	1818	[[image:1653360231087-571.png||height="401" width="727"]]
	2092	+
	2093	+
1819	1819	)))
1820	1820
1821	1821	(((
1822		-(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
	2097	+(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
1823	1823	)))
1824	1824
1825	1825
	2101	+
1826	1826	(((
1827		-(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2103	+(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2104	+
	2105	+
1828	1828	)))
1829	1829
1830	1830	(((
1831		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1832		-(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1833		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1834		-(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1835		-(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1836		-(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1837		-(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1838		-(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1839		-(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1840		-(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
	2109	+(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
	2110	+(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
	2111	+(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
	2112	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
	2113	+(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
	2114	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
	2115	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
	2116	+(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
	2117	+(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1841	1841	)))
1842	1842
1843	1843
...	...	@@ -1848,16 +1848,21 @@
1848	1848	[[image:1653360498588-932.png||height="485" width="726"]]
1849	1849
1850	1850
	2128	+
1851	1851	== 5.4 Can I see counting event in Serial? ==
1852	1852
	2131	+
1853	1853	(((
1854		-User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
	2133	+User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
1855	1855
1856	1856
	2136	+
1857	1857	== 5.5 Can i use point to point communication for LT-22222-L? ==
1858	1858
1859		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1860	1860
	2140	+Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
	2141	+
	2142	+
1861	1861
1862	1862	)))
1863	1863
...	...	@@ -1864,6 +1864,7 @@
1864	1864	(((
1865	1865	== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1866	1866
	2149	+
1867	1867	If the device is not shut down, but directly powered off.
1868	1868
1869	1869	It will default that this is a power-off state.
...	...	@@ -1873,12 +1873,27 @@
1873	1873	After restart, the status before power failure will be read from flash.
1874	1874
1875	1875
	2159	+
	2160	+== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
	2161	+
	2162	+
	2163	+LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
	2164	+
	2165	+
	2166	+[[image:image-20221006170630-1.png||height="610" width="945"]]
	2167	+
	2168	+
	2169	+
1876	1876	= 6. Trouble Shooting =
	2171	+
	2172	+
1877	1877	)))
1878	1878
1879	1879	(((
1880	1880	(((
1881		-== 6.1 Downlink doesn’t work, how to solve it? ==
	2177	+== 6.1 Downlink doesn't work, how to solve it? ==
	2178	+
	2179	+
1882	1882	)))
1883	1883	)))
1884	1884
...	...	@@ -1889,7 +1889,10 @@
1889	1889	(((
1890	1890
1891	1891
	2190	+
1892	1892	== 6.2 Have trouble to upload image. ==
	2192	+
	2193	+
1893	1893	)))
1894	1894
1895	1895	(((
...	...	@@ -1899,7 +1899,10 @@
1899	1899	(((
1900	1900
1901	1901
1902		-== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
	2203	+
	2204	+== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
	2205	+
	2206	+
1903	1903	)))
1904	1904
1905	1905	(((
...	...	@@ -1913,22 +1913,18 @@
1913	1913
1914	1914	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1915	1915
1916		-
1917	1917	(% style="color:#4f81bd" %)**XXX:**
1918	1918
1919		-* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1920		-* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1921		-* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1922		-* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1923		-* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1924		-* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1925		-* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1926		-* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1927		-* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	2222	+* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
	2223	+* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
	2224	+* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
	2225	+* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
	2226	+* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
	2227	+* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
	2228	+* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
	2229	+* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
	2230	+* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1928	1928
1929		-
1930		-
1931		-
1932	1932	= 8. Packing Info =
1933	1933
1934	1934
...	...	@@ -1946,11 +1946,9 @@
1946	1946	* Package Size / pcs : 14.5 x 8 x 5 cm
1947	1947	* Weight / pcs : 170g
1948	1948
1949		-
1950		-
1951		-
1952	1952	= 9. Support =
1953	1953
	2251	+
1954	1954	* (((
1955	1955	Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1956	1956	)))
...	...	@@ -1964,7 +1964,7 @@
1964	1964
1965	1965	= 10. Reference​​​​​ =
1966	1966
	2265	+
1967	1967	* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
1968		-* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1969		-* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	2267	+* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1970	1970	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]

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