Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual

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Details

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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
...	...	@@ -20,27 +20,56 @@
20	20
21	21
22	22	(((
23		-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.
	22	+(((
	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.
	24	+)))
24	24
	26	+(((
	27	+
	28	+)))
25	25
	30	+(((
26	26	It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
	32	+)))
27	27
	34	+(((
	35	+
	36	+)))
28	28
29		-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.
	38	+(((
	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.
	40	+)))
30	30
	42	+(((
	43	+
	44	+)))
31	31
32		-LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
	46	+(((
	47	+LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
	48	+)))
33	33
	50	+(((
	51	+
	52	+)))
34	34
35		-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.
	54	+(((
	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.
	56	+)))
36	36
	58	+(((
	59	+
	60	+)))
37	37
	62	+(((
38	38	(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
	64	+
	65	+
39	39	)))
40	40	)))
	68	+)))
41	41
	70	+[[image:1654912858581-740.png]]
42	42
43		-[[image:1654847051249-359.png]]
44	44
45	45
46	46
...	...	@@ -47,10 +47,11 @@
47	47	== ​1.2  Features ==
48	48
49	49	* LoRaWAN 1.0.3 Class A
50		-* Ultra low power consumption
	78	+* Ultra-low power consumption
51	51	* Distance Detection by Ultrasonic technology
52		-* Flat object range 280mm - 7500mm
	80	+* Flat object range 30mm - 4500mm
53	53	* Accuracy: ±(1cm+S*0.3%) (S: Distance)
	82	+* Measure Angle: 60°
54	54	* Cable Length : 25cm
55	55	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
56	56	* AT Commands to change parameters
...	...	@@ -57,7 +57,7 @@
57	57	* Uplink on periodically
58	58	* Downlink to change configure
59	59	* IP66 Waterproof Enclosure
60		-* 4000mAh or 8500mAh Battery for long term use
	89	+* 8500mAh Battery for long term use
61	61
62	62
63	63	== 1.3  Specification ==
...	...	@@ -66,12 +66,15 @@
66	66
67	67	[[image:image-20220610154839-1.png]]
68	68
69		-**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
70	70
71		-**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)**
	99	+(((
	100	+**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
72	72
	102	+**~ 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)**
	103	+)))
73	73
74	74
	106	+
75	75	=== 1.3.2  Effective measurement range Reference beam pattern ===
76	76
77	77	**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
...	...	@@ -82,7 +82,9 @@
82	82
83	83
84	84
	117	+(((
85	85	**(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
	119	+)))
86	86
87	87
88	88	[[image:1654852175653-550.png]](% style="display:none" %) ** **
...	...	@@ -102,7 +102,6 @@
102	102	* Bottom water level monitoring
103	103
104	104
105		-
106	106	== 1.6  Pin mapping and power on ==
107	107
108	108
...	...	@@ -110,16 +110,16 @@
110	110
111	111
112	112
113		-= 2.  Configure LDDS75 to connect to LoRaWAN network =
	146	+= 2.  Configure LDDS45 to connect to LoRaWAN network =
114	114
115	115	== 2.1  How it works ==
116	116
117	117	(((
118		-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
	151	+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
119	119	)))
120	120
121	121	(((
122		-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.
	155	+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.
123	123	)))
124	124
125	125
...	...	@@ -128,10 +128,15 @@
128	128
129	129	(((
130	130	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.
	164	+
	165	+
131	131	)))
132	132
	168	+[[image:1654913911773-521.png]]
	169	+
	170	+
133	133	(((
134		-[[image:1654848616367-242.png]]
	172	+
135	135	)))
136	136
137	137	(((
...	...	@@ -139,21 +139,27 @@
139	139	)))
140	140
141	141	(((
142		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
	180	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
143	143	)))
144	144
145	145	(((
146		-Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
	184	+Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
147	147	)))
148	148
149	149	[[image:image-20220607170145-1.jpeg]]
150	150
151	151
	190	+(((
152	152	For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
	192	+)))
153	153
	194	+(((
154	154	Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
	196	+)))
155	155
	198	+(((
156	156	**Add APP EUI in the application**
	200	+)))
157	157
158	158	[[image:image-20220610161353-4.png]]
159	159
...	...	@@ -164,7 +164,10 @@
164	164
165	165	[[image:image-20220610161353-7.png]]
166	166
	211	+**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
167	167
	213	+
	214	+
168	168	You can also choose to create the device manually.
169	169
170	170	[[image:image-20220610161538-8.png]]
...	...	@@ -177,16 +177,16 @@
177	177
178	178
179	179
180		-(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
	227	+(% style="color:blue" %)**Step 2**(%%): Power on LDDS45
181	181
182	182
183	183	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
184	184
185		-[[image:image-20220610161724-10.png]]
	232	+[[image:image-20220611102908-2.png]]
186	186
187	187
188	188	(((
189		-(% 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.
	236	+(% 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.
190	190	)))
191	191
192	192	[[image:1654849068701-275.png]]
...	...	@@ -196,11 +196,12 @@
196	196	== 2.3  ​Uplink Payload ==
197	197
198	198	(((
199		-LDDS75 will uplink payload via LoRaWAN with below payload format:
	246	+(((
	247	+LDDS45 will uplink payload via LoRaWAN with below payload format:
200	200
201		-Uplink payload includes in total 4 bytes.
202		-Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
	249	+Uplink payload includes in total 8 bytes.
203	203	)))
	251	+)))
204	204
205	205	(((
206	206
...	...	@@ -225,7 +225,7 @@
225	225	=== 2.3.1  Battery Info ===
226	226
227	227
228		-Check the battery voltage for LDDS75.
	276	+Check the battery voltage for LDDS45.
229	229
230	230	Ex1: 0x0B45 = 2885mV
231	231
...	...	@@ -235,20 +235,22 @@
235	235
236	236	=== 2.3.2  Distance ===
237	237
238		-Get the distance. Flat object range 280mm - 7500mm.
	286	+(((
	287	+Get the distance. Flat object range 30mm - 4500mm.
	288	+)))
239	239
240		-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.**
	290	+(((
	291	+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	+)))
241	241
242	242
243	243	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
244		-* 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.
	296	+* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
245	245
246	246
247		-
248		-
249	249	=== 2.3.3  Interrupt Pin ===
250	250
251		-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.
252	252
253	253	**Example:**
254	254
...	...	@@ -268,15 +268,17 @@
268	268
269	269	If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
270	270
271		-(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
272	272
273	273
274		-
275	275	=== 2.3.5  Sensor Flag ===
276	276
	325	+(((
277	277	0x01: Detect Ultrasonic Sensor
	327	+)))
278	278
	329	+(((
279	279	0x00: No Ultrasonic Sensor
	331	+)))
280	280
281	281
282	282
...	...	@@ -289,13 +289,15 @@
289	289
290	290	The payload decoder function for TTN V3 is here:
291	291
292		-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	+)))
293	293
294	294
295	295
296	296	== 2.4  Uplink Interval ==
297	297
298		-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"]]
299	299
300	300
301	301
...	...	@@ -326,7 +326,7 @@
326	326
327	327	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
328	328
329		-(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
	383	+(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
330	330
331	331	[[image:1654851029373-510.png]]
332	332
...	...	@@ -340,7 +340,7 @@
340	340	== 2.6  Frequency Plans ==
341	341
342	342	(((
343		-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.
344	344	)))
345	345
346	346
...	...	@@ -807,7 +807,7 @@
807	807
808	808	== 2.7  LED Indicator ==
809	809
810		-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.
811	811
812	812
813	813	* Blink once when device power on.
...	...	@@ -816,15 +816,20 @@
816	816	* Blink once when device transmit a packet.
817	817
818	818
819		-
820		-
821	821	== 2.8  ​Firmware Change Log ==
822	822
823	823
824		-**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/]]
	876	+(((
	877	+**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/]]
	878	+)))
825	825
	880	+(((
	881	+
	882	+)))
826	826
	884	+(((
827	827	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	886	+)))
828	828
829	829
830	830
...	...	@@ -831,22 +831,76 @@
831	831	== 2.9  Mechanical ==
832	832
833	833
834		-[[image:image-20220610172003-1.png]]
	893	+[[image:1654915562090-396.png]]
835	835
836		-[[image:image-20220610172003-2.png]]
837	837
838	838
839		-== 2.10  Battery Analysis ==
840	840
841		-=== 2.10.1  Battery Type ===
842	842
843		-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.
	899	+= 3. Battery & How to replace =
844	844
	901	+== 3.1 Battery Type ==
845	845
	903	+(((
	904	+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.
	905	+)))
	906	+
	907	+(((
	908	+The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
	909	+)))
	910	+
	911	+[[image:1654593587246-335.png]]
	912	+
	913	+
	914	+Minimum Working Voltage for the LSPH01:
	915	+
	916	+LSPH01:  2.45v ~~ 3.6v
	917	+
	918	+
	919	+
	920	+== 3.2 Replace Battery ==
	921	+
	922	+(((
	923	+Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
	924	+)))
	925	+
	926	+(((
	927	+And make sure the positive and negative pins match.
	928	+)))
	929	+
	930	+
	931	+
	932	+== 3.3 Power Consumption Analyze ==
	933	+
	934	+(((
	935	+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.
	936	+)))
	937	+
	938	+(((
	939	+Instruction to use as below:
	940	+)))
	941	+
	942	+
	943	+**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
	944	+
	945	+[[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/]]
	946	+
	947	+
	948	+**Step 2**: Open it and choose
	949	+
	950	+* Product Model
	951	+* Uplink Interval
	952	+* Working Mode
	953	+
	954	+And the Life expectation in difference case will be shown on the right.
	955	+
	956	+[[image:1654593605679-189.png]]
	957	+
	958	+
846	846	The battery related documents as below:
847	847
848	848	* (((
849		-[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
	962	+[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
850	850	)))
851	851	* (((
852	852	[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
...	...	@@ -855,28 +855,33 @@
855	855	[[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]]
856	856	)))
857	857
858		- [[image:image-20220610172400-3.png]]
	971	+[[image:image-20220607172042-11.png]]
859	859
860	860
861	861
862		-=== 2.10.2  Replace the battery ===
	975	+=== 3.3.1 ​Battery Note ===
863	863
864	864	(((
865		-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.
	978	+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.
866	866	)))
867	867
	981	+
	982	+
	983	+=== ​3.3.2 Replace the battery ===
	984	+
868	868	(((
869		-
	986	+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.
870	870	)))
871	871
872	872	(((
873		-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)
	990	+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)
874	874	)))
875	875
876	876
877	877
878		-= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
879	879
	996	+= 4.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
	997	+
880	880	(((
881	881	(((
882	882	Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
...	...	@@ -885,7 +885,7 @@
885	885
886	886	* (((
887	887	(((
888		-AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
	1006	+AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
889	889	)))
890	890	)))
891	891	* (((
...	...	@@ -953,7 +953,7 @@
953	953
954	954
955	955
956		-== 3.1  Access AT Commands ==
	1074	+== 4.1  Access AT Commands ==
957	957
958	958	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.
959	959
...	...	@@ -966,7 +966,9 @@
966	966	[[image:image-20220610172924-5.png]]
967	967
968	968
	1087	+(((
969	969	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:
	1089	+)))
970	970
971	971
972	972	[[image:image-20220610172924-6.png||height="601" width="860"]]
...	...	@@ -973,7 +973,7 @@
973	973
974	974
975	975
976		-== 3.2  Set Transmit Interval Time ==
	1096	+== 4.2  Set Transmit Interval Time ==
977	977
978	978	Feature: Change LoRaWAN End Node Transmit Interval.
979	979
...	...	@@ -990,18 +990,21 @@
990	990	(((
991	991	Format: Command Code (0x01) followed by 3 bytes time value.
992	992
	1113	+(((
993	993	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1115	+)))
994	994
995	995	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
996	996	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
997	997	)))
	1120	+)))
998	998
999	999
1000		-
1001		-)))
1002	1002
1003		-== 3.3  Set Interrupt Mode ==
1004	1004
	1125	+
	1126	+== 4.3  Set Interrupt Mode ==
	1127	+
1005	1005	Feature, Set Interrupt mode for GPIO_EXIT.
1006	1006
1007	1007	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
...	...	@@ -1013,20 +1013,23 @@
1013	1013
1014	1014	Format: Command Code (0x06) followed by 3 bytes.
1015	1015
	1139	+(((
1016	1016	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1141	+)))
1017	1017
1018	1018	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1019	1019	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1020	1020
1021		-= 4.  FAQ =
1022	1022
1023		-== 4.1  What is the frequency plan for LDDS75? ==
	1147	+= 5.  FAQ =
1024	1024
	1149	+== 5.1  What is the frequency plan for LDDS75? ==
	1150	+
1025	1025	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"]]
1026	1026
1027	1027
1028	1028
1029		-== 4.2  How to change the LoRa Frequency Bands/Region ==
	1155	+== 5.2  How to change the LoRa Frequency Bands/Region ==
1030	1030
1031	1031	You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1032	1032	When downloading the images, choose the required image file for download. ​
...	...	@@ -1033,20 +1033,20 @@
1033	1033
1034	1034
1035	1035
1036		-== 4.3  Can I use LDDS75 in condensation environment? ==
	1162	+== 5.3  Can I use LDDS75 in condensation environment? ==
1037	1037
1038	1038	LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1039	1039
1040	1040
1041	1041
1042		-= 5.  Trouble Shooting =
	1168	+= 6.  Trouble Shooting =
1043	1043
1044		-== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
	1170	+== 6.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1045	1045
1046	1046	It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1047	1047
1048	1048
1049		-== 5.2  AT Command input doesn't work ==
	1175	+== 6.2  AT Command input doesn't work ==
1050	1050
1051	1051	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.
1052	1052
...	...	@@ -1055,7 +1055,7 @@
1055	1055	)))
1056	1056
1057	1057
1058		-= 6.  Order Info =
	1184	+= 7.  Order Info =
1059	1059
1060	1060
1061	1061	Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
...	...	@@ -1077,9 +1077,10 @@
1077	1077	* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1078	1078	* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1079	1079
1080		-= 7. ​ Packing Info =
1081	1081
	1207	+= 8. ​ Packing Info =
1082	1082
	1209	+
1083	1083	**Package Includes**:
1084	1084
1085	1085	* LDDS75 LoRaWAN Distance Detection Sensor x 1
...	...	@@ -1091,7 +1091,8 @@
1091	1091	* Package Size / pcs : cm
1092	1092	* Weight / pcs : g
1093	1093
1094		-= 8.  ​Support =
1095	1095
	1222	+= 9.  ​Support =
	1223	+
1096	1096	* 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.
1097	1097	* 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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