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
...	...	@@ -821,10 +821,17 @@
821	821	== 2.8  ​Firmware Change Log ==
822	822
823	823
	941	+(((
824	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/]]
	943	+)))
825	825
	945	+(((
	946	+
	947	+)))
826	826
	949	+(((
827	827	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	951	+)))
828	828
829	829
830	830
...	...	@@ -831,11 +831,13 @@
831	831	== 2.9  Mechanical ==
832	832
833	833
834		-[[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" %)​
835	835
836		-[[image:image-20220610172003-2.png]]
837	837
	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" %)​
838	838
	963	+
	964	+
839	839	== 2.10  Battery Analysis ==
840	840
841	841	=== 2.10.1  Battery Type ===
...	...	@@ -846,7 +846,7 @@
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]],
	975	+[[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]],
...	...	@@ -855,7 +855,7 @@
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]]
	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" %)​
859	859
860	860
861	861
...	...	@@ -862,7 +862,7 @@
862	862	=== 2.10.2  Replace the battery ===
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.
	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.
866	866	)))
867	867
868	868	(((
...	...	@@ -870,7 +870,7 @@
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)
	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)
874	874	)))
875	875
876	876
...	...	@@ -885,7 +885,7 @@
885	885
886	886	* (((
887	887	(((
888		-AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
	1014	+AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
889	889	)))
890	890	)))
891	891	* (((
...	...	@@ -957,19 +957,21 @@
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
960		-[[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" %)​
961	961
962	962
963	963	Or if you have below board, use below connection:
964	964
965	965
966		-[[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" %)​
967	967
968	968
	1095	+(((
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:
	1097	+)))
970	970
971	971
972		- [[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" %)​
973	973
974	974
975	975
...	...	@@ -979,7 +979,7 @@
979	979
980	980	(% style="color:#037691" %)**AT Command: AT+TDC**
981	981
982		-[[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" %)​
983	983
984	984
985	985	(((
...	...	@@ -990,16 +990,19 @@
990	990	(((
991	991	Format: Command Code (0x01) followed by 3 bytes time value.
992	992
	1121	+(((
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.
	1123	+)))
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	)))
	1128	+)))
998	998
999	999
1000		-
1001		-)))
1002	1002
	1132	+
	1133	+
1003	1003	== 3.3  Set Interrupt Mode ==
1004	1004
1005	1005	Feature, Set Interrupt mode for GPIO_EXIT.
...	...	@@ -1006,7 +1006,7 @@
1006	1006
1007	1007	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1008	1008
1009		-[[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" %)​
1010	1010
1011	1011
1012	1012	(% style="color:#037691" %)**Downlink Command: 0x06**
...	...	@@ -1013,11 +1013,16 @@
1013	1013
1014	1014	Format: Command Code (0x06) followed by 3 bytes.
1015	1015
	1147	+(((
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.
	1149	+)))
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
	1154	+
	1155	+
	1156	+
1021	1021	= 4.  FAQ =
1022	1022
1023	1023	== 4.1  What is the frequency plan for LDDS75? ==