Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual

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Title

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1		-LDDS75 - LoRaWAN Distance Detection Sensor User Manual
	1	+LDDS45 - LoRaWAN Distance Detection Sensor User Manual

Content

...	...	@@ -1,9 +1,8 @@
1	1	(% style="text-align:center" %)
2		-[[image:1654846127817-788.png]]
	2	+[[image:1654912614655-664.png||height="530" width="628"]]
3	3
4	4	**Contents:**
5	5
6		-{{toc/}}
7	7
8	8
9	9
...	...	@@ -21,7 +21,7 @@
21	21
22	22	(((
23	23	(((
24		-The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
	23	+The Dragino LDDS45 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS45 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
25	25	)))
26	26
27	27	(((
...	...	@@ -37,7 +37,7 @@
37	37	)))
38	38
39	39	(((
40		-The LoRa wireless technology used in LDDS75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
	39	+The LoRa wireless technology used in LDDS45 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
41	41	)))
42	42
43	43	(((
...	...	@@ -45,7 +45,7 @@
45	45	)))
46	46
47	47	(((
48		-LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
	47	+LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
49	49	)))
50	50
51	51	(((
...	...	@@ -53,7 +53,7 @@
53	53	)))
54	54
55	55	(((
56		-Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
	55	+Each LDDS45 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
57	57	)))
58	58
59	59	(((
...	...	@@ -62,22 +62,24 @@
62	62
63	63	(((
64	64	(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
	64	+
	65	+
65	65	)))
66	66	)))
67	67	)))
68	68
	70	+[[image:1654912858581-740.png]]
69	69
70		-[[image:1654847051249-359.png]]
71	71
72	72
73		-
74	74	== ​1.2  Features ==
75	75
76	76	* LoRaWAN 1.0.3 Class A
77		-* Ultra low power consumption
	77	+* Ultra-low power consumption
78	78	* Distance Detection by Ultrasonic technology
79		-* Flat object range 280mm - 7500mm
	79	+* Flat object range 30mm - 4500mm
80	80	* Accuracy: ±(1cm+S*0.3%) (S: Distance)
	81	+* Measure Angle: 60°
81	81	* Cable Length : 25cm
82	82	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
83	83	* AT Commands to change parameters
...	...	@@ -84,9 +84,12 @@
84	84	* Uplink on periodically
85	85	* Downlink to change configure
86	86	* IP66 Waterproof Enclosure
87		-* 4000mAh or 8500mAh Battery for long term use
	88	+* 8500mAh Battery for long term use
88	88
89	89
	91	+
	92	+
	93	+
90	90	== 1.3  Specification ==
91	91
92	92	=== 1.3.1  Rated environmental conditions ===
...	...	@@ -93,8 +93,11 @@
93	93
94	94	[[image:image-20220610154839-1.png]]
95	95
	100	+
96	96	(((
97		-**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
	102	+**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
	103	+
	104	+**~ b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
98	98	)))
99	99
100	100
...	...	@@ -130,8 +130,6 @@
130	130	* Sewer
131	131	* Bottom water level monitoring
132	132
133		-
134		-
135	135	== 1.6  Pin mapping and power on ==
136	136
137	137
...	...	@@ -139,16 +139,16 @@
139	139
140	140
141	141
142		-= 2.  Configure LDDS75 to connect to LoRaWAN network =
	147	+= 2.  Configure LDDS45 to connect to LoRaWAN network =
143	143
144	144	== 2.1  How it works ==
145	145
146	146	(((
147		-The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
	152	+The LDDS45 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS45. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
148	148	)))
149	149
150	150	(((
151		-In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
	156	+In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS45.
152	152	)))
153	153
154	154
...	...	@@ -157,10 +157,15 @@
157	157
158	158	(((
159	159	Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
	165	+
	166	+
160	160	)))
161	161
	169	+[[image:1654913911773-521.png]]
	170	+
	171	+
162	162	(((
163		-[[image:1654848616367-242.png]]
	173	+
164	164	)))
165	165
166	166	(((
...	...	@@ -168,11 +168,11 @@
168	168	)))
169	169
170	170	(((
171		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
	181	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
172	172	)))
173	173
174	174	(((
175		-Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
	185	+Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
176	176	)))
177	177
178	178	[[image:image-20220607170145-1.jpeg]]
...	...	@@ -199,7 +199,10 @@
199	199
200	200	[[image:image-20220610161353-7.png]]
201	201
	212	+**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
202	202
	214	+
	215	+
203	203	You can also choose to create the device manually.
204	204
205	205	[[image:image-20220610161538-8.png]]
...	...	@@ -212,16 +212,16 @@
212	212
213	213
214	214
215		-(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
	228	+(% style="color:blue" %)**Step 2**(%%): Power on LDDS45
216	216
217	217
218	218	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
219	219
220		-[[image:image-20220610161724-10.png]]
	233	+[[image:image-20220611102908-2.png]]
221	221
222	222
223	223	(((
224		-(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
	237	+(% style="color:blue" %)**Step 3**(%%)**:** The LDDS45 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
225	225	)))
226	226
227	227	[[image:1654849068701-275.png]]
...	...	@@ -232,12 +232,9 @@
232	232
233	233	(((
234	234	(((
235		-LDDS75 will uplink payload via LoRaWAN with below payload format:
236		-)))
	248	+LDDS45 will uplink payload via LoRaWAN with below payload format:
237	237
238		-(((
239		-Uplink payload includes in total 4 bytes.
240		-Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
	250	+Uplink payload includes in total 8 bytes.
241	241	)))
242	242	)))
243	243
...	...	@@ -264,7 +264,7 @@
264	264	=== 2.3.1  Battery Info ===
265	265
266	266
267		-Check the battery voltage for LDDS75.
	277	+Check the battery voltage for LDDS45.
268	268
269	269	Ex1: 0x0B45 = 2885mV
270	270
...	...	@@ -275,23 +275,20 @@
275	275	=== 2.3.2  Distance ===
276	276
277	277	(((
278		-Get the distance. Flat object range 280mm - 7500mm.
	288	+Get the distance. Flat object range 30mm - 4500mm.
279	279	)))
280	280
281	281	(((
282		-For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
	292	+For example, if the data you get from the register is __0x0B 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
283	283	)))
284	284
285	285
286	286	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
287		-* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
	297	+* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
288	288
289		-
290		-
291		-
292	292	=== 2.3.3  Interrupt Pin ===
293	293
294		-This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
	301	+This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up.
295	295
296	296	**Example:**
297	297
...	...	@@ -311,15 +311,17 @@
311	311
312	312	If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
313	313
314		-(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
315	315
316	316
317		-
318	318	=== 2.3.5  Sensor Flag ===
319	319
	325	+(((
320	320	0x01: Detect Ultrasonic Sensor
	327	+)))
321	321
	329	+(((
322	322	0x00: No Ultrasonic Sensor
	331	+)))
323	323
324	324
325	325
...	...	@@ -332,13 +332,15 @@
332	332
333	333	The payload decoder function for TTN V3 is here:
334	334
335		-LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
	344	+(((
	345	+LDDS45 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
	346	+)))
336	336
337	337
338	338
339	339	== 2.4  Uplink Interval ==
340	340
341		-The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
	352	+The LDDS45 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
342	342
343	343
344	344
...	...	@@ -369,7 +369,7 @@
369	369
370	370	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
371	371
372		-(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
	383	+(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
373	373
374	374	[[image:1654851029373-510.png]]
375	375
...	...	@@ -383,7 +383,7 @@
383	383	== 2.6  Frequency Plans ==
384	384
385	385	(((
386		-The LDDS75 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
	397	+The LDDS45 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
387	387	)))
388	388
389	389
...	...	@@ -850,7 +850,7 @@
850	850
851	851	== 2.7  LED Indicator ==
852	852
853		-The LDDS75 has an internal LED which is to show the status of different state.
	864	+The LDDS45 has an internal LED which is to show the status of different state.
854	854
855	855
856	856	* Blink once when device power on.
...	...	@@ -861,10 +861,17 @@
861	861	== 2.8  ​Firmware Change Log ==
862	862
863	863
864		-**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
	875	+(((
	876	+**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/]]
	877	+)))
865	865
	879	+(((
	880	+
	881	+)))
866	866
	883	+(((
867	867	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	885	+)))
868	868
869	869
870	870
...	...	@@ -871,20 +871,72 @@
871	871	== 2.9  Mechanical ==
872	872
873	873
874		-[[image:image-20220610172003-1.png]]
	892	+[[image:1654915562090-396.png]]
875	875
876	876
877		-[[image:image-20220610172003-2.png]]
878	878
879	879
880	880
881		-== 2.10  Battery Analysis ==
	898	+= 3. Battery & How to replace =
882	882
883		-=== 2.10.1  Battery Type ===
	900	+== 3.1 Battery Type ==
884	884
885		-The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
	902	+(((
	903	+LSPH01 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
	904	+)))
886	886
	906	+(((
	907	+The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
	908	+)))
887	887
	910	+[[image:1654593587246-335.png]]
	911	+
	912	+
	913	+Minimum Working Voltage for the LSPH01:
	914	+
	915	+LSPH01:  2.45v ~~ 3.6v
	916	+
	917	+
	918	+
	919	+== 3.2 Replace Battery ==
	920	+
	921	+(((
	922	+Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
	923	+)))
	924	+
	925	+(((
	926	+And make sure the positive and negative pins match.
	927	+)))
	928	+
	929	+
	930	+
	931	+== 3.3 Power Consumption Analyze ==
	932	+
	933	+(((
	934	+Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
	935	+)))
	936	+
	937	+(((
	938	+Instruction to use as below:
	939	+)))
	940	+
	941	+
	942	+**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
	943	+
	944	+[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
	945	+
	946	+
	947	+**Step 2**: Open it and choose
	948	+
	949	+* Product Model
	950	+* Uplink Interval
	951	+* Working Mode
	952	+
	953	+And the Life expectation in difference case will be shown on the right.
	954	+
	955	+[[image:1654593605679-189.png]]
	956	+
	957	+
888	888	The battery related documents as below:
889	889
890	890	* (((
...	...	@@ -897,28 +897,33 @@
897	897	[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
898	898	)))
899	899
900		- [[image:image-20220610172400-3.png]]
	970	+[[image:image-20220607172042-11.png]]
901	901
902	902
903	903
904		-=== 2.10.2  Replace the battery ===
	974	+=== 3.3.1 ​Battery Note ===
905	905
906	906	(((
907		-You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
	977	+The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
908	908	)))
909	909
	980	+
	981	+
	982	+=== ​3.3.2 Replace the battery ===
	983	+
910	910	(((
911		-
	985	+You can change the battery in the LSPH01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
912	912	)))
913	913
914	914	(((
915		-The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
	989	+The default battery pack of LSPH01 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
916	916	)))
917	917
918	918
919	919
920		-= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
921	921
	995	+= 4.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
	996	+
922	922	(((
923	923	(((
924	924	Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
...	...	@@ -995,7 +995,7 @@
995	995
996	996
997	997
998		-== 3.1  Access AT Commands ==
	1073	+== 4.1  Access AT Commands ==
999	999
1000	1000	LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
1001	1001
...	...	@@ -1008,7 +1008,9 @@
1008	1008	[[image:image-20220610172924-5.png]]
1009	1009
1010	1010
	1086	+(((
1011	1011	In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
	1088	+)))
1012	1012
1013	1013
1014	1014	[[image:image-20220610172924-6.png||height="601" width="860"]]
...	...	@@ -1015,7 +1015,7 @@
1015	1015
1016	1016
1017	1017
1018		-== 3.2  Set Transmit Interval Time ==
	1095	+== 4.2  Set Transmit Interval Time ==
1019	1019
1020	1020	Feature: Change LoRaWAN End Node Transmit Interval.
1021	1021
...	...	@@ -1032,18 +1032,21 @@
1032	1032	(((
1033	1033	Format: Command Code (0x01) followed by 3 bytes time value.
1034	1034
	1112	+(((
1035	1035	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1114	+)))
1036	1036
1037	1037	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1038	1038	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1039	1039	)))
	1119	+)))
1040	1040
1041	1041
1042		-
1043		-)))
1044	1044
1045		-== 3.3  Set Interrupt Mode ==
1046	1046
	1124	+
	1125	+== 4.3  Set Interrupt Mode ==
	1126	+
1047	1047	Feature, Set Interrupt mode for GPIO_EXIT.
1048	1048
1049	1049	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
...	...	@@ -1055,20 +1055,22 @@
1055	1055
1056	1056	Format: Command Code (0x06) followed by 3 bytes.
1057	1057
	1138	+(((
1058	1058	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1140	+)))
1059	1059
1060	1060	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1061	1061	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1062	1062
1063		-= 4.  FAQ =
	1145	+= 5.  FAQ =
1064	1064
1065		-== 4.1  What is the frequency plan for LDDS75? ==
	1147	+== 5.1  What is the frequency plan for LDDS75? ==
1066	1066
1067	1067	LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
1068	1068
1069	1069
1070	1070
1071		-== 4.2  How to change the LoRa Frequency Bands/Region ==
	1153	+== 5.2  How to change the LoRa Frequency Bands/Region ==
1072	1072
1073	1073	You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1074	1074	When downloading the images, choose the required image file for download. ​
...	...	@@ -1075,20 +1075,20 @@
1075	1075
1076	1076
1077	1077
1078		-== 4.3  Can I use LDDS75 in condensation environment? ==
	1160	+== 5.3  Can I use LDDS75 in condensation environment? ==
1079	1079
1080	1080	LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1081	1081
1082	1082
1083	1083
1084		-= 5.  Trouble Shooting =
	1166	+= 6.  Trouble Shooting =
1085	1085
1086		-== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
	1168	+== 6.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1087	1087
1088	1088	It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1089	1089
1090	1090
1091		-== 5.2  AT Command input doesn't work ==
	1173	+== 6.2  AT Command input doesn't work ==
1092	1092
1093	1093	In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
1094	1094
...	...	@@ -1097,7 +1097,7 @@
1097	1097	)))
1098	1098
1099	1099
1100		-= 6.  Order Info =
	1182	+= 7.  Order Info =
1101	1101
1102	1102
1103	1103	Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
...	...	@@ -1119,7 +1119,7 @@
1119	1119	* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1120	1120	* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1121	1121
1122		-= 7. ​ Packing Info =
	1204	+= 8. ​ Packing Info =
1123	1123
1124	1124
1125	1125	**Package Includes**:
...	...	@@ -1133,7 +1133,7 @@
1133	1133	* Package Size / pcs : cm
1134	1134	* Weight / pcs : g
1135	1135
1136		-= 8.  ​Support =
	1218	+= 9.  ​Support =
1137	1137
1138	1138	* 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.
1139	1139	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].

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