Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual

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4	4	**Contents:**
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	20	+* [[1.  Introduction>>doc:null||anchor="H1.A0Introduction"]]
	21	+** [[1.1 ​ What is LoRaWAN Distance Detection Sensor>>doc:null||anchor="H1.1200BWhatisLoRaWANDistanceDetectionSensor"]]
	22	+** [[​1.2  Features>>doc:null||anchor="H200B1.2A0Features"]]
	23	+** [[1.3  Specification>>doc:null||anchor="H1.3A0Specification"]]
	24	+*** [[1.3.1  Rated environmental conditions>>doc:null||anchor="H1.3.1A0Ratedenvironmentalconditions"]]
	25	+*** [[1.3.2  Effective measurement range Reference beam pattern>>doc:null||anchor="H1.3.2A0EffectivemeasurementrangeReferencebeampattern"]]
	26	+** [[1.5 ​ Applications>>doc:null||anchor="H1.5200BApplications"]]
	27	+** [[1.6  Pin mapping and power on>>doc:null||anchor="H1.6A0Pinmappingandpoweron"]]
	28	+* [[2.  Configure LDDS75 to connect to LoRaWAN network>>doc:null||anchor="H2.A0ConfigureLDDS75toconnecttoLoRaWANnetwork"]]
	29	+** [[2.1  How it works>>doc:null||anchor="H2.1A0Howitworks"]]
	30	+** [[2.2  ​Quick guide to connect to LoRaWAN server (OTAA)>>doc:null||anchor="H2.2A0200BQuickguidetoconnecttoLoRaWANserver28OTAA29"]]
	31	+** [[2.3  ​Uplink Payload>>doc:null||anchor="H2.3A0200BUplinkPayload"]]
	32	+*** [[2.3.1  Battery Info>>doc:null||anchor="H2.3.1A0BatteryInfo"]]
	33	+*** [[2.3.2  Distance>>doc:null||anchor="H2.3.2A0Distance"]]
	34	+*** [[2.3.3  Interrupt Pin>>doc:null||anchor="H2.3.3A0InterruptPin"]]
	35	+*** [[2.3.4  DS18B20 Temperature sensor>>doc:null||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
	36	+*** [[2.3.5  Sensor Flag>>doc:null||anchor="H2.3.5A0SensorFlag"]]
	37	+*** [[2.3.6  Decode payload in The Things Network>>doc:null||anchor="H2.3.6A0DecodepayloadinTheThingsNetwork"]]
	38	+** [[2.4  Uplink Interval>>doc:null||anchor="H2.4A0UplinkInterval"]]
	39	+** [[2.5  ​Show Data in DataCake IoT Server>>doc:null||anchor="H2.5A0200BShowDatainDataCakeIoTServer"]]
	40	+** [[2.6  Frequency Plans>>doc:null||anchor="H2.6A0FrequencyPlans"]]
	41	+*** [[2.6.1  EU863-870 (EU868)>>doc:null||anchor="H2.6.1A0EU863-87028EU86829"]]
	42	+*** [[2.6.2  US902-928(US915)>>doc:null||anchor="H2.6.2A0US902-92828US91529"]]
	43	+*** [[2.6.3  CN470-510 (CN470)>>doc:null||anchor="H2.6.3A0CN470-51028CN47029"]]
	44	+*** [[2.6.4  AU915-928(AU915)>>doc:null||anchor="H2.6.4A0AU915-92828AU91529"]]
	45	+*** [[2.6.5  AS920-923 & AS923-925 (AS923)>>doc:null||anchor="H2.6.5A0AS920-92326AS923-92528AS92329"]]
	46	+*** [[2.6.6  KR920-923 (KR920)>>doc:null||anchor="H2.6.6A0KR920-92328KR92029"]]
	47	+*** [[2.6.7  IN865-867 (IN865)>>doc:null||anchor="H2.6.7A0IN865-86728IN86529"]]
	48	+** [[2.7  LED Indicator>>doc:null||anchor="H2.7A0LEDIndicator"]]
	49	+** [[2.8  ​Firmware Change Log>>doc:null||anchor="H2.8A0200BFirmwareChangeLog"]]
	50	+** [[2.9  Mechanical>>doc:null||anchor="H2.9A0Mechanical"]]
	51	+** [[2.10  Battery Analysis>>doc:null||anchor="H2.10A0BatteryAnalysis"]]
	52	+*** [[2.10.1  Battery Type>>doc:null||anchor="H2.10.1A0BatteryType"]]
	53	+*** [[2.10.2  Replace the battery>>doc:null||anchor="H2.10.2A0Replacethebattery"]]
	54	+* [[3.  Configure LDDS75 via AT Command or LoRaWAN Downlink>>doc:null||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]
	55	+** [[3.1  Access AT Commands>>doc:null||anchor="H3.1A0AccessATCommands"]]
	56	+** [[3.2  Set Transmit Interval Time>>doc:null||anchor="H3.2A0SetTransmitIntervalTime"]]
	57	+** [[3.3  Set Interrupt Mode>>doc:null||anchor="H3.3A0SetInterruptMode"]]
	58	+* [[4.  FAQ>>doc:null||anchor="H4.A0FAQ"]]
	59	+** [[4.1  What is the frequency plan for LDDS75?>>doc:null||anchor="H4.1A0WhatisthefrequencyplanforLDDS753F"]]
	60	+** [[4.2  How to change the LoRa Frequency Bands/Region>>doc:null||anchor="H4.2A0HowtochangetheLoRaFrequencyBands2FRegion"]]
	61	+** [[4.3  Can I use LDDS75 in condensation environment?>>doc:null||anchor="H4.3A0CanIuseLDDS75incondensationenvironment3F"]]
	62	+* [[5.  Trouble Shooting>>doc:null||anchor="H5.A0TroubleShooting"]]
	63	+** [[5.1  Why I can’t join TTN V3 in US915 / AU915 bands?>>doc:null||anchor="H5.1A0WhyIcan2019tjoinTTNV3inUS9152FAU915bands3F"]]
	64	+** [[5.2  AT Command input doesn't work>>doc:null||anchor="H5.2A0ATCommandinputdoesn27twork"]]
	65	+* [[6.  Order Info>>doc:null||anchor="H6.A0OrderInfo"]]
	66	+* [[7. ​ Packing Info>>doc:null||anchor="H7.200BPackingInfo"]]
	67	+* [[8.  ​Support>>doc:null||anchor="H8.A0200BSupport"]]
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15	15	= 1.  Introduction =
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17	17	== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
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23	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.
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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.
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29	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.
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32	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*.
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35	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.
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38	38	(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
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60	60	* 4000mAh or 8500mAh Battery for long term use
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63	63	== 1.3  Specification ==
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65	65	=== 1.3.1  Rated environmental conditions ===
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69		-**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
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	164	+**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)**
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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)**
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75	75	=== 1.3.2  Effective measurement range Reference beam pattern ===
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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.**
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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.**
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106	106	== 1.6  Pin mapping and power on ==
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146	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.
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152	152	For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
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154	154	Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
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156	156	**Add APP EUI in the application**
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168	168	You can also choose to create the device manually.
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174	174	**Add APP KEY and DEV EUI**
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183	183	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
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189	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.
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191	191
192		-[[image:1654849068701-275.png]]
	295	+(% aria-label="1654849068701-275.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654849068701-275.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
193	193
194	194
195	195
...	...	@@ -196,11 +196,15 @@
196	196	== 2.3  ​Uplink Payload ==
197	197
198	198	(((
	302	+(((
199	199	LDDS75 will uplink payload via LoRaWAN with below payload format:
	304	+)))
200	200
	306	+(((
201	201	Uplink payload includes in total 4 bytes.
202	202	Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
203	203	)))
	310	+)))
204	204
205	205	(((
206	206
...	...	@@ -218,7 +218,7 @@
218	218	[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
219	219	)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
220	220
221		-[[image:1654850511545-399.png]]
	328	+(% aria-label="1654850511545-399.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654850511545-399.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
222	222
223	223
224	224
...	...	@@ -235,9 +235,13 @@
235	235
236	236	=== 2.3.2  Distance ===
237	237
	345	+(((
238	238	Get the distance. Flat object range 280mm - 7500mm.
	347	+)))
239	239
	349	+(((
240	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.**
	351	+)))
241	241
242	242
243	243	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
...	...	@@ -274,9 +274,13 @@
274	274
275	275	=== 2.3.5  Sensor Flag ===
276	276
	388	+(((
277	277	0x01: Detect Ultrasonic Sensor
	390	+)))
278	278
	392	+(((
279	279	0x00: No Ultrasonic Sensor
	394	+)))
280	280
281	281
282	282
...	...	@@ -285,11 +285,13 @@
285	285	While using TTN network, you can add the payload format to decode the payload.
286	286
287	287
288		-[[image:1654850829385-439.png]]
	403	+(% aria-label="1654850829385-439.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654850829385-439.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
289	289
290	290	The payload decoder function for TTN V3 is here:
291	291
	407	+(((
292	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/]]
	409	+)))
293	293
294	294
295	295
...	...	@@ -318,10 +318,10 @@
318	318	)))
319	319
320	320
321		-[[image:1654592790040-760.png]]
	438	+(% aria-label="1654592790040-760.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654592790040-760.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
322	322
323	323
324		-[[image:1654592800389-571.png]]
	441	+(% aria-label="1654592800389-571.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654592800389-571.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
325	325
326	326
327	327	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
...	...	@@ -328,12 +328,12 @@
328	328
329	329	(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
330	330
331		-[[image:1654851029373-510.png]]
	448	+(% aria-label="1654851029373-510.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654851029373-510.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
332	332
333	333
334	334	After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
335	335
336		-[[image:image-20220610165129-11.png||height="595" width="1088"]]
	453	+(% aria-label="image-20220610165129-11.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610165129-11.png||data-widget="image" height="595" width="1088"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
337	337
338	338
339	339
...	...	@@ -815,13 +815,23 @@
815	815	* Solid ON for 5 seconds once device successful Join the network.
816	816	* Blink once when device transmit a packet.
817	817
	935	+
	936	+
	937	+
818	818	== 2.8  ​Firmware Change Log ==
819	819
820	820
	941	+(((
821	821	**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/]]
	943	+)))
822	822
	945	+(((
	946	+
	947	+)))
823	823
	949	+(((
824	824	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	951	+)))
825	825
826	826
827	827
...	...	@@ -828,11 +828,13 @@
828	828	== 2.9  Mechanical ==
829	829
830	830
831		-[[image:image-20220610172003-1.png]]
	958	+(% aria-label="image-20220610172003-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172003-1.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
832	832
833		-[[image:image-20220610172003-2.png]]
834	834
	961	+(% aria-label="image-20220610172003-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172003-2.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
835	835
	963	+
	964	+
836	836	== 2.10  Battery Analysis ==
837	837
838	838	=== 2.10.1  Battery Type ===
...	...	@@ -843,7 +843,7 @@
843	843	The battery related documents as below:
844	844
845	845	* (((
846		-[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
	975	+[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
847	847	)))
848	848	* (((
849	849	[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
...	...	@@ -852,7 +852,7 @@
852	852	[[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]]
853	853	)))
854	854
855		- [[image:image-20220610172400-3.png]]
	984	+ (% aria-label="image-20220610172400-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172400-3.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
856	856
857	857
858	858
...	...	@@ -859,7 +859,7 @@
859	859	=== 2.10.2  Replace the battery ===
860	860
861	861	(((
862		-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.
	991	+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.
863	863	)))
864	864
865	865	(((
...	...	@@ -867,7 +867,7 @@
867	867	)))
868	868
869	869	(((
870		-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)
	999	+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)
871	871	)))
872	872
873	873
...	...	@@ -882,7 +882,7 @@
882	882
883	883	* (((
884	884	(((
885		-AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
	1014	+AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
886	886	)))
887	887	)))
888	888	* (((
...	...	@@ -954,19 +954,21 @@
954	954
955	955	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.
956	956
957		-[[image:image-20220610172924-4.png||height="483" width="988"]]
	1086	+(% aria-label="image-20220610172924-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172924-4.png||data-widget="image" height="483" width="988"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
958	958
959	959
960	960	Or if you have below board, use below connection:
961	961
962	962
963		-[[image:image-20220610172924-5.png]]
	1092	+(% aria-label="image-20220610172924-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172924-5.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
964	964
965	965
	1095	+(((
966	966	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:
	1097	+)))
967	967
968	968
969		- [[image:image-20220610172924-6.png||height="601" width="860"]]
	1100	+ (% aria-label="image-20220610172924-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172924-6.png||data-widget="image" height="601" width="860"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
970	970
971	971
972	972
...	...	@@ -976,7 +976,7 @@
976	976
977	977	(% style="color:#037691" %)**AT Command: AT+TDC**
978	978
979		-[[image:image-20220610173409-7.png]]
	1110	+(% aria-label="image-20220610173409-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610173409-7.png||data-widget="image"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
980	980
981	981
982	982	(((
...	...	@@ -987,16 +987,19 @@
987	987	(((
988	988	Format: Command Code (0x01) followed by 3 bytes time value.
989	989
	1121	+(((
990	990	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1123	+)))
991	991
992	992	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
993	993	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
994	994	)))
	1128	+)))
995	995
996	996
997		-
998		-)))
999	999
	1132	+
	1133	+
1000	1000	== 3.3  Set Interrupt Mode ==
1001	1001
1002	1002	Feature, Set Interrupt mode for GPIO_EXIT.
...	...	@@ -1003,7 +1003,7 @@
1003	1003
1004	1004	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1005	1005
1006		-[[image:image-20220610174917-9.png]]
	1140	+(% aria-label="image-20220610174917-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610174917-9.png||data-widget="image"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1007	1007
1008	1008
1009	1009	(% style="color:#037691" %)**Downlink Command: 0x06**
...	...	@@ -1010,11 +1010,16 @@
1010	1010
1011	1011	Format: Command Code (0x06) followed by 3 bytes.
1012	1012
	1147	+(((
1013	1013	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1149	+)))
1014	1014
1015	1015	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1016	1016	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1017	1017
	1154	+
	1155	+
	1156	+
1018	1018	= 4.  FAQ =
1019	1019
1020	1020	== 4.1  What is the frequency plan for LDDS75? ==