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
...	...	@@ -57,8 +57,9 @@
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
	91	+
62	62	== 1.3  Specification ==
63	63
64	64	=== 1.3.1  Rated environmental conditions ===
...	...	@@ -65,12 +65,15 @@
65	65
66	66	[[image:image-20220610154839-1.png]]
67	67
68		-**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
69	69
70		-**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);       **
71	71
	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	+)))
72	72
73	73
	106	+
74	74	=== 1.3.2  Effective measurement range Reference beam pattern ===
75	75
76	76	**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
...	...	@@ -81,7 +81,9 @@
81	81
82	82
83	83
	117	+(((
84	84	**(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	+)))
85	85
86	86
87	87	[[image:1654852175653-550.png]](% style="display:none" %) ** **
...	...	@@ -108,16 +108,16 @@
108	108
109	109
110	110
111		-= 2.  Configure LDDS75 to connect to LoRaWAN network =
	146	+= 2.  Configure LDDS45 to connect to LoRaWAN network =
112	112
113	113	== 2.1  How it works ==
114	114
115	115	(((
116		-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
117	117	)))
118	118
119	119	(((
120		-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.
121	121	)))
122	122
123	123
...	...	@@ -126,10 +126,15 @@
126	126
127	127	(((
128	128	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	+
129	129	)))
130	130
	168	+[[image:1654913911773-521.png]]
	169	+
	170	+
131	131	(((
132		-[[image:1654848616367-242.png]]
	172	+
133	133	)))
134	134
135	135	(((
...	...	@@ -137,21 +137,27 @@
137	137	)))
138	138
139	139	(((
140		-(% 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.
141	141	)))
142	142
143	143	(((
144		-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.
145	145	)))
146	146
147	147	[[image:image-20220607170145-1.jpeg]]
148	148
149	149
	190	+(((
150	150	For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
	192	+)))
151	151
	194	+(((
152	152	Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
	196	+)))
153	153
	198	+(((
154	154	**Add APP EUI in the application**
	200	+)))
155	155
156	156	[[image:image-20220610161353-4.png]]
157	157
...	...	@@ -162,7 +162,10 @@
162	162
163	163	[[image:image-20220610161353-7.png]]
164	164
	211	+**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
165	165
	213	+
	214	+
166	166	You can also choose to create the device manually.
167	167
168	168	[[image:image-20220610161538-8.png]]
...	...	@@ -175,16 +175,16 @@
175	175
176	176
177	177
178		-(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
	227	+(% style="color:blue" %)**Step 2**(%%): Power on LDDS45
179	179
180	180
181	181	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
182	182
183		-[[image:image-20220610161724-10.png]]
	232	+[[image:image-20220611102908-2.png]]
184	184
185	185
186	186	(((
187		-(% 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.
188	188	)))
189	189
190	190	[[image:1654849068701-275.png]]
...	...	@@ -194,11 +194,12 @@
194	194	== 2.3  ​Uplink Payload ==
195	195
196	196	(((
197		-LDDS75 will uplink payload via LoRaWAN with below payload format:
	246	+(((
	247	+LDDS45 will uplink payload via LoRaWAN with below payload format:
198	198
199		-Uplink payload includes in total 4 bytes.
200		-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.
201	201	)))
	251	+)))
202	202
203	203	(((
204	204
...	...	@@ -223,7 +223,7 @@
223	223	=== 2.3.1  Battery Info ===
224	224
225	225
226		-Check the battery voltage for LDDS75.
	276	+Check the battery voltage for LDDS45.
227	227
228	228	Ex1: 0x0B45 = 2885mV
229	229
...	...	@@ -233,17 +233,22 @@
233	233
234	234	=== 2.3.2  Distance ===
235	235
236		-Get the distance. Flat object range 280mm - 7500mm.
	286	+(((
	287	+Get the distance. Flat object range 30mm - 4500mm.
	288	+)))
237	237
238		-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	+)))
239	239
240	240
241	241	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
242		-* 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.
243	243
	298	+
244	244	=== 2.3.3  Interrupt Pin ===
245	245
246		-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.
247	247
248	248	**Example:**
249	249
...	...	@@ -263,15 +263,17 @@
263	263
264	264	If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
265	265
266		-(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
267	267
268	268
269		-
270	270	=== 2.3.5  Sensor Flag ===
271	271
	325	+(((
272	272	0x01: Detect Ultrasonic Sensor
	327	+)))
273	273
	329	+(((
274	274	0x00: No Ultrasonic Sensor
	331	+)))
275	275
276	276
277	277
...	...	@@ -284,13 +284,15 @@
284	284
285	285	The payload decoder function for TTN V3 is here:
286	286
287		-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	+)))
288	288
289	289
290	290
291	291	== 2.4  Uplink Interval ==
292	292
293		-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"]]
294	294
295	295
296	296
...	...	@@ -321,7 +321,7 @@
321	321
322	322	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
323	323
324		-(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
	383	+(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
325	325
326	326	[[image:1654851029373-510.png]]
327	327
...	...	@@ -335,7 +335,7 @@
335	335	== 2.6  Frequency Plans ==
336	336
337	337	(((
338		-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.
339	339	)))
340	340
341	341
...	...	@@ -802,7 +802,7 @@
802	802
803	803	== 2.7  LED Indicator ==
804	804
805		-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.
806	806
807	807
808	808	* Blink once when device power on.
...	...	@@ -810,13 +810,21 @@
810	810	* Solid ON for 5 seconds once device successful Join the network.
811	811	* Blink once when device transmit a packet.
812	812
	872	+
813	813	== 2.8  ​Firmware Change Log ==
814	814
815	815
816		-**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	+)))
817	817
	880	+(((
	881	+
	882	+)))
818	818
	884	+(((
819	819	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	886	+)))
820	820
821	821
822	822
...	...	@@ -823,22 +823,76 @@
823	823	== 2.9  Mechanical ==
824	824
825	825
826		-[[image:image-20220610172003-1.png]]
	893	+[[image:1654915562090-396.png]]
827	827
828		-[[image:image-20220610172003-2.png]]
829	829
830	830
831		-== 2.10  Battery Analysis ==
832	832
833		-=== 2.10.1  Battery Type ===
834	834
835		-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 =
836	836
	901	+== 3.1 Battery Type ==
837	837
	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	+
838	838	The battery related documents as below:
839	839
840	840	* (((
841		-[[ 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]],
842	842	)))
843	843	* (((
844	844	[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
...	...	@@ -847,28 +847,33 @@
847	847	[[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]]
848	848	)))
849	849
850		- [[image:image-20220610172400-3.png]]
	971	+[[image:image-20220607172042-11.png]]
851	851
852	852
853	853
854		-=== 2.10.2  Replace the battery ===
	975	+=== 3.3.1 ​Battery Note ===
855	855
856	856	(((
857		-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.
858	858	)))
859	859
	981	+
	982	+
	983	+=== ​3.3.2 Replace the battery ===
	984	+
860	860	(((
861		-
	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.
862	862	)))
863	863
864	864	(((
865		-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)
866	866	)))
867	867
868	868
869	869
870		-= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
871	871
	996	+= 4.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
	997	+
872	872	(((
873	873	(((
874	874	Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
...	...	@@ -877,7 +877,7 @@
877	877
878	878	* (((
879	879	(((
880		-AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
	1006	+AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
881	881	)))
882	882	)))
883	883	* (((
...	...	@@ -945,7 +945,7 @@
945	945
946	946
947	947
948		-== 3.1  Access AT Commands ==
	1074	+== 4.1  Access AT Commands ==
949	949
950	950	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.
951	951
...	...	@@ -958,7 +958,9 @@
958	958	[[image:image-20220610172924-5.png]]
959	959
960	960
	1087	+(((
961	961	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	+)))
962	962
963	963
964	964	[[image:image-20220610172924-6.png||height="601" width="860"]]
...	...	@@ -965,7 +965,7 @@
965	965
966	966
967	967
968		-== 3.2  Set Transmit Interval Time ==
	1096	+== 4.2  Set Transmit Interval Time ==
969	969
970	970	Feature: Change LoRaWAN End Node Transmit Interval.
971	971
...	...	@@ -982,18 +982,21 @@
982	982	(((
983	983	Format: Command Code (0x01) followed by 3 bytes time value.
984	984
	1113	+(((
985	985	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1115	+)))
986	986
987	987	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
988	988	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
989	989	)))
	1120	+)))
990	990
991	991
992		-
993		-)))
994	994
995		-== 3.3  Set Interrupt Mode ==
996	996
	1125	+
	1126	+== 4.3  Set Interrupt Mode ==
	1127	+
997	997	Feature, Set Interrupt mode for GPIO_EXIT.
998	998
999	999	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
...	...	@@ -1005,20 +1005,23 @@
1005	1005
1006	1006	Format: Command Code (0x06) followed by 3 bytes.
1007	1007
	1139	+(((
1008	1008	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	+)))
1009	1009
1010	1010	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1011	1011	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1012	1012
1013		-= 4.  FAQ =
1014	1014
1015		-== 4.1  What is the frequency plan for LDDS75? ==
	1147	+= 5.  FAQ =
1016	1016
	1149	+== 5.1  What is the frequency plan for LDDS75? ==
	1150	+
1017	1017	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"]]
1018	1018
1019	1019
1020	1020
1021		-== 4.2  How to change the LoRa Frequency Bands/Region ==
	1155	+== 5.2  How to change the LoRa Frequency Bands/Region ==
1022	1022
1023	1023	You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1024	1024	When downloading the images, choose the required image file for download. ​
...	...	@@ -1025,20 +1025,20 @@
1025	1025
1026	1026
1027	1027
1028		-== 4.3  Can I use LDDS75 in condensation environment? ==
	1162	+== 5.3  Can I use LDDS75 in condensation environment? ==
1029	1029
1030	1030	LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1031	1031
1032	1032
1033	1033
1034		-= 5.  Trouble Shooting =
	1168	+= 6.  Trouble Shooting =
1035	1035
1036		-== 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? ==
1037	1037
1038	1038	It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1039	1039
1040	1040
1041		-== 5.2  AT Command input doesn't work ==
	1175	+== 6.2  AT Command input doesn't work ==
1042	1042
1043	1043	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.
1044	1044
...	...	@@ -1047,7 +1047,7 @@
1047	1047	)))
1048	1048
1049	1049
1050		-= 6.  Order Info =
	1184	+= 7.  Order Info =
1051	1051
1052	1052
1053	1053	Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
...	...	@@ -1069,9 +1069,10 @@
1069	1069	* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1070	1070	* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1071	1071
1072		-= 7. ​ Packing Info =
1073	1073
	1207	+= 8. ​ Packing Info =
1074	1074
	1209	+
1075	1075	**Package Includes**:
1076	1076
1077	1077	* LDDS75 LoRaWAN Distance Detection Sensor x 1
...	...	@@ -1083,7 +1083,8 @@
1083	1083	* Package Size / pcs : cm
1084	1084	* Weight / pcs : g
1085	1085
1086		-= 8.  ​Support =
1087	1087
	1222	+= 9.  ​Support =
	1223	+
1088	1088	* 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.
1089	1089	* 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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