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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 159.1
edited by Mengting Qiu
on 2023/12/09 18:03
Change comment: There is no comment for this version
To version 123.1
edited by Xiaoling
on 2023/11/28 15:09
Change comment: Uploaded new attachment "1701155390576-216.png", version {1}

Summary

Details

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1 -XWiki.ting
1 +XWiki.Xiaoling
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8 8  
9 9  
10 10  
11 -**Table of Contents:(% style="display:none" %) (%%)**
11 +**Table of Contents：**
12 12  
13 13  {{toc/}}
14 14  
... ... @@ -91,7 +91,7 @@
91 91  
92 92  [[image:image-20231110102635-5.png||height="402" width="807"]](% style="display:none" %)
93 93  
94 -=== Step 1: Create a device in TTN with the OTAA keys from DS20L. ===
94 +(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DS20L.
95 95  
96 96  Each DS20L is shipped with a sticker with the default device EUI as below:
97 97  
... ... @@ -98,36 +98,41 @@
98 98  [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
99 99  
100 100  
101 -You can enter this key in the LoRaWAN Server portal. Below is TTN V3 screenshot:
101 +You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
102 102  
103 103  
104 104  (% style="color:blue" %)**Register the device**
105 105  
106 -[[image:image-20231207144600-2.png||height="703" width="756"]]
106 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/1654935135620-998.png?rev=1.1||alt="1654935135620-998.png"]]
107 107  
108 108  
109 -(% style="color:blue" %)**Add DevEUI and AppKey**
109 +(% style="color:blue" %)**Add APP EUI and DEV EUI**
110 110  
111 -[[image:image-20231207145121-5.png||height="540" width="756"]]
111 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-4.png?width=753&height=551&rev=1.1||alt="图片-20220611161308-4.png"]]
112 112  
113 113  
114 +(% style="color:blue" %)**Add APP EUI in the application**
114 114  
115 -=== Step 2: Activate on DS20L ===
116 116  
117 -[[image:image-20231128133704-1.png||height="189" width="441"]]
117 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
118 118  
119 -Press the button for 5 seconds to activate the DS20L.
120 120  
121 -The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
120 +(% style="color:blue" %)**Add APP KEY**
122 122  
123 -The switch is switched to (% style="color:blue" %)**I** (%%)and the motherboard battery is used for power supply.
122 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
124 124  
124 +
125 +(% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
126 +
127 +[[image:image-20231128133704-1.png||height="189" width="441"]]
128 +
129 +Press the button for 5 seconds to activate the DS20L.
130 +
125 125  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
126 126  
127 127  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
128 128  
129 129  
130 -
131 131  == 2.3 ​Uplink Payload ==
132 132  
133 133  === 2.3.1 Device Status, FPORT~=5 ===
... ... @@ -145,7 +145,7 @@
145 145  
146 146  Example parse in TTNv3
147 147  
148 -[[image:image-20231206151412-3.png||height="179" width="1070"]]
153 +[[image:1701149922873-259.png]]
149 149  
150 150  (% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
151 151  
... ... @@ -201,25 +201,45 @@
201 201  === 2.3.2 Uplink Payload, FPORT~=2 ===
202 202  
203 203  
204 -==== (% style="color:red" %)**AT+MOD~=1**(%%) ====
209 +(((
210 +DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
205 205  
212 +periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
213 +
214 +Uplink Payload totals 11 bytes.
215 +)))
216 +
217 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
218 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
219 +**Size(bytes)**
220 +)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white; width: 80px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**
221 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
222 +[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
223 +)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
224 +[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
225 +)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
226 +[[Message Type>>||anchor="HMessageType"]]
227 +)))
228 +
229 +==== (% style="color:red" %)**MOD~=1** ====
230 +
206 206  Regularly detect distance and report. When the distance exceeds the limit, the alarm flag is set to 1, and the report can be triggered by external interrupts.
207 207  
208 208  Uplink Payload totals 10 bytes.
209 209  
210 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
211 -|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:30px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:100px" %)**1**|(% style="background-color:#4f81bd; color:white; width:120px" %)**4**
212 -|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
235 +(% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
236 +|(% style="width:60px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:30px;background-color:#4F81BD;color:white" %)**2**|(% style="width:130px;background-color:#4F81BD;color:white" %)**1**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**|(% style="width:100px;background-color:#4F81BD;color:white" %)**1**|(% style="width:120px;background-color:#4F81BD;color:white" %)**4**
237 +|(% style="width:91px" %)Value|(% style="width:41px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
213 213  
214 -[[image:image-20231209152917-1.png||height="300" width="1172"]]
215 215  
216 -(% style="color:blue" %)**Battery Info:**
240 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
217 217  
242 +(% style="color:blue" %)**Battery Info**
243 +
218 218  Check the battery voltage for DS20L
219 219  
220 220  Ex1: 0x0E10 = 3600mV
221 221  
222 -
223 223  (% style="color:blue" %)**MOD & Alarm & Interrupt:**
224 224  
225 225  (% style="color:red" %)**MOD:**
... ... @@ -237,46 +237,36 @@
237 237  
238 238  Whether it is an external interrupt.
239 239  
265 +(% style="color:blue" %)**Distance info**
240 240  
241 -(% style="color:blue" %)**Distance info:**
242 -
243 243  **Example**:
244 244  
245 245  If payload is: 0708H: distance = 0708H = 1800 mm
246 246  
271 +(% style="color:blue" %)**Sensor State**
247 247  
248 -(% style="color:blue" %)**Sensor State:**
249 -
250 250  Ex1: 0x00: Normal collection distance
251 251  
252 252  Ex2 0x0x: Distance collection is wrong
253 253  
277 +(% style="color:blue" %)**Interript Count**
254 254  
255 -(% style="color:blue" %)**Interript Count:**
256 -
257 257  If payload is:000007D0H: count = 07D0H =2000
258 258  
259 259  
260 260  
261 -==== (% style="color:red" %)**AT+MOD~=2**(%%)** ** ====
262 262  
284 +==== (% style="color:red" %)**MOD=2** ====
263 263  
264 -The power consumption of uninterrupted measurement is high, and the device needs to use external power supply.(The switch is switched to E and the external power supply is used.)
286 +Uninterrupted measurement. When the distance exceeds the limit, the output IO is set high and reports are reported every five minutes. The time can be set and powered by an external power supply.Uplink Payload totals 11bytes.
265 265  
266 -[[image:image-20231128133704-1.png||height="189" width="441"]]
288 +(% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
289 +|(% style="width:70px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:40px;background-color:#4F81BD;color:white" %)**2**|(% style="width:130px;background-color:#4F81BD;color:white" %)**1**|(% style="width:130px;background-color:#4F81BD;color:white" %)**4**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**
290 +|(% style="width:91px" %)Value|(% style="width:41px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:74px" %)Distance Limit Alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
267 267  
268 268  
269 -* **Set over-limit alarm mode: AT+DOL=3,500,244,**(% style="color:red" %)0(%%)**,120**
293 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
270 270  
271 -(% class="wikigeneratedid" id="HUninterruptedmeasurement.Whenthedistanceexceedsthelimit2CtheoutputIOissethighandreportsarereportedeveryfiveminutes.Thetimecanbesetandpoweredbyanexternalpowersupply.UplinkPayloadtotals11bytes." %)
272 -Uninterrupted measurement. When the distance exceeds the limit, the output IO high, instant alarm. Uplink Payload totals 9 bytes.
273 -
274 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
275 -|(% style="background-color:#4f81bd; color:white; width:70px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:130px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**
276 -|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:74px" %)Distance |(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
277 -
278 -[[image:image-20231209171127-3.png||height="374" width="1209"]]
279 -
280 280  (% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
281 281  
282 282  (% style="color:red" %)**MOD:**
... ... @@ -296,47 +296,118 @@
296 296  
297 297  (% style="color:red" %)**Limit flag:**
298 298  
299 -Mode for setting threshold: **0~~3**
314 +Mode for setting threshold: 0~~5
300 300  
301 -**0:** does not use upper and lower limits
316 +0: does not use upper and lower limits
302 302  
303 -**1:** Use upper and lower limits
318 +1: Use upper and lower limits
304 304  
305 -**2:** Less than the upper limit
320 +2: is less than the lower limit value
306 306  
307 -**3: **Greater than the lower limit
322 +3: is greater than the lower limit value
308 308  
324 +4: is less than the upper limit
309 309  
310 -(% style="color:blue" %)**Distance:**
326 +5: is greater than the upper limit
311 311  
312 - Actual sampling distance values.
313 313  
314 -
315 315  (% style="color:blue" %)**Upper limit:**
316 316  
317 317  The upper limit of the threshold cannot exceed 2000mm.
318 318  
319 -
320 320  (% style="color:blue" %)**Lower limit:**
321 321  
322 322  The lower limit of the threshold cannot be less than 3mm.
323 323  
324 324  
325 -* **Set the person or object count mode: AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120**
338 +=== 2.3.3 Historical measuring distance, FPORT~=3 ===
326 326  
327 -Continuous measurement, detect and count people or things passing by in distance limit mode.
328 328  
329 -[[image:image-20231209173457-5.png||height="277" width="1098"]]
341 +DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
330 330  
343 +The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
331 331  
345 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
346 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
347 +**Size(bytes)**
348 +)))|=(% style="width: 80px;background-color:#4F81BD;color:white" %)1|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD; color: white; width: 85px;" %)**1**|=(% style="background-color: #4F81BD; color: white; width: 85px;" %)4
349 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
350 +Reserve(0xFF)
351 +)))|Distance|Distance signal strength|(% style="width:88px" %)(((
352 +LiDAR temp
353 +)))|(% style="width:85px" %)Unix TimeStamp
332 332  
355 +**Interrupt flag & Interrupt level:**
333 333  
334 -== 2.4 Decode payload in The Things Network ==
357 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
358 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
359 +**Size(bit)**
360 +)))|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 90px; background-color: #4F81BD; color: white;" %)**bit1**|=(% style="background-color: #4F81BD; color: white; width: 90px;" %)**bit0**
361 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)No ACK message|(% style="width:62.5px" %)Poll Message Flag|Reserve|(% style="width:91px" %)Interrupt level|(% style="width:88px" %)(((
362 +Interrupt flag
363 +)))
335 335  
365 +* (((
366 +Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>||anchor="H2.3.2UplinkPayload2CFPORT3D2"]], to save airtime and battery, DS20L will send max bytes according to the current DR and Frequency bands.
367 +)))
336 336  
369 +For example, in the US915 band, the max payload for different DR is:
370 +
371 +**a) DR0:** max is 11 bytes so one entry of data
372 +
373 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
374 +
375 +**c) DR2:** total payload includes 11 entries of data
376 +
377 +**d) DR3:** total payload includes 22 entries of data.
378 +
379 +If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
380 +
381 +
382 +**Downlink:**
383 +
384 +0x31 64 CC 68 0C 64 CC 69 74 05
385 +
386 +[[image:image-20230805144936-2.png||height="113" width="746"]]
387 +
388 +**Uplink:**
389 +
390 +43 FF 0E 10 00 B0 1E 64 CC 68 0C 40 FF 0D DE 00 A8 1E 64 CC 68 29 40 FF 09 92 00 D3 1E 64 CC 68 65 40 FF 02 3A 02 BC 1E 64 CC 68 A1 41 FF 0E 1A 00 A4 1E 64 CC 68 C0 40 FF 0D 2A 00 B8 1E 64 CC 68 E8 40 FF 00 C8 11 6A 1E 64 CC 69 24 40 FF 0E 24 00 AD 1E 64 CC 69 6D
391 +
392 +
393 +**Parsed Value:**
394 +
395 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
396 +
397 +
398 +[360,176,30,High,True,2023-08-04 02:53:00],
399 +
400 +[355,168,30,Low,False,2023-08-04 02:53:29],
401 +
402 +[245,211,30,Low,False,2023-08-04 02:54:29],
403 +
404 +[57,700,30,Low,False,2023-08-04 02:55:29],
405 +
406 +[361,164,30,Low,True,2023-08-04 02:56:00],
407 +
408 +[337,184,30,Low,False,2023-08-04 02:56:40],
409 +
410 +[20,4458,30,Low,False,2023-08-04 02:57:40],
411 +
412 +[362,173,30,Low,False,2023-08-04 02:58:53],
413 +
414 +
415 +**History read from serial port：**
416 +
417 +[[image:image-20230805145056-3.png]]
418 +
419 +
420 +=== 2.3.4 Decode payload in The Things Network ===
421 +
422 +
337 337  While using TTN network, you can add the payload format to decode the payload.
338 338  
339 -[[image:image-20231206143515-1.png||height="534" width="759"]]
425 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654592762713-715.png?rev=1.1||alt="1654592762713-715.png"]]
340 340  
341 341  
342 342  (((
... ... @@ -348,7 +348,7 @@
348 348  )))
349 349  
350 350  
351 -== 2.5 ​Show Data in DataCake IoT Server ==
437 +== 2.4 ​Show Data in DataCake IoT Server ==
352 352  
353 353  
354 354  (((
... ... @@ -365,29 +365,25 @@
365 365  )))
366 366  
367 367  
368 -[[image:image-20231207153532-6.png||height="562" width="861"]]
454 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592790040-760.png?rev=1.1||alt="1654592790040-760.png"]]
369 369  
370 370  
371 -[[image:image-20231207155940-8.png]]
457 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592800389-571.png?rev=1.1||alt="1654592800389-571.png"]]
372 372  
373 -For more detailed instructions, refer to the following instructions: [[Welcome - Datacake Docs>>url:https://docs.datacake.de/]]
374 374  
375 -[[image:image-20231207160733-11.png||height="429" width="759"]]
376 -
377 -
378 378  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
379 379  
380 380  (% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
381 381  
382 -[[image:image-20231207160343-10.png||height="665" width="705"]]
464 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
383 383  
384 384  
385 385  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
386 386  
387 -[[image:image-20231129100454-2.png||height="501" width="928"]]
469 +[[image:1701152946067-561.png]]
388 388  
389 389  
390 -== 2.6 Frequency Plans ==
472 +== 2.5 Frequency Plans ==
391 391  
392 392  
393 393  The DS20L 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.
... ... @@ -468,9 +468,6 @@
468 468  )))
469 469  * (((
470 470  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
471 -
472 -
473 -
474 474  )))
475 475  
476 476  === 3.3.2 Set Interrupt Mode ===
... ... @@ -511,9 +511,10 @@
511 511  
512 512  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
513 513  
514 -=== 3.3.3 Set work mode ===
515 515  
594 +== 3.3.3 Set work mode ==
516 516  
596 +
517 517  Feature: Switch working mode
518 518  
519 519  (% style="color:blue" %)**AT Command: AT+MOD**
... ... @@ -528,9 +528,9 @@
528 528  
529 529  (% style="color:blue" %)**Downlink Command:**
530 530  
531 -* **Example: **0x0A01 ~/~/  Same as AT+MOD=1
611 +* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
532 532  
533 -* **Example:** 0x0A02  ~/~/  Same as AT+MOD=2
613 +* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
534 534  
535 535  === 3.3.4 Set threshold and threshold mode ===
536 536  
... ... @@ -549,38 +549,21 @@
549 549  )))
550 550  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
551 551  
552 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
553 -|(% rowspan="11" style="color:blue; width:120px" %)(((
554 -
555 555  
556 556  
557 -
558 -
559 -
560 -
561 -
562 -
563 -
564 -
565 -**AT+DOL=5,1800,0,0,400**
566 -)))|(% rowspan="4" style="width:240px" %)(((
567 -
568 -
569 -
570 -
571 -
572 -
573 -The first bit sets the limit mode
574 -)))|(% style="width:150px" %)0: Do not use upper and lower limits
634 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
635 +|(% rowspan="11" style="color:blue; width:120px" %)**AT+DOL=5,1800,0,0,400**|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits
575 575  |(% style="width:251px" %)1: Use upper and lower limits
576 -|(% style="width:251px" %)2:Less than the upper limit
637 +|(% style="width:251px" %)2: Less than the lower limit
577 577  |(% style="width:251px" %)3: Greater than the lower limit
639 +|(% style="width:251px" %)4: Less than the upper limit
640 +|(% style="width:251px" %)5: Greater than the upper limit
578 578  |(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
579 579  |(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
580 580  |(% rowspan="2" style="width:226px" %)The fourth bit sets the over-limit alarm or person or object count.|(% style="width:251px" %)0 Over-limit alarm, DO output is high
581 581  |(% style="width:251px" %)1 Person or object counting statistics
582 582  |(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
583 -100~~10000ms
646 +0~~10000ms
584 584  
585 585  
586 586  )))
... ... @@ -587,17 +587,13 @@
587 587  
588 588  (% style="color:blue" %)**Downlink Command: 0x07**
589 589  
590 -Format: Command Code (0x07) followed by 9 bytes.
653 +Format: Command Code (0x07) followed by 9bytes.
591 591  
592 -If the downlink payload=**07 01 0708 0064 00 0190**, it means set the END Node's limit mode to 0x01,upper limit value to 0x0708=1800(mm), lower limit value to 0x0064=100(mm), to over-limit alarm(0x00) ,the sampling time to 0x0190=400(ms), while type code is 0x07.
655 +* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
593 593  
594 -* Example 0: Downlink Payload: 07 00 0000 0000 00 0190  **~-~-->**  AT+MOD=0,0,0,0,400
595 -
596 596  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
597 597  
598 -* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800100,0,400
599 599  
600 -* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
601 601  
602 602  = 4. Battery & Power Consumption =
603 603  
... ... @@ -635,33 +635,6 @@
635 635  DS20L 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"]]
636 636  
637 637  
638 -== 6.2 DS20L programming line ==
639 -
640 -
641 -缺图 后续补上
642 -
643 -feature:
644 -
645 -for AT commands
646 -
647 -Update the firmware of DS20L
648 -
649 -Support interrupt mode
650 -
651 -
652 -== 6.3 LiDAR probe position ==
653 -
654 -
655 -[[image:1701155390576-216.png||height="285" width="307"]]
656 -
657 -The black oval hole in the picture is the LiDAR probe.
658 -
659 -
660 -== 6.4 Interface definition ==
661 -
662 -[[image:image-20231128151132-2.png||height="305" width="557"]]
663 -
664 -
665 665  = 7. Trouble Shooting =
666 666  
667 667  == 7.1 AT Command input doesn't work ==
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