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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 158.1
edited by Mengting Qiu
on 2023/12/09 17:34
Change comment: Uploaded new attachment "image-20231209173457-5.png", version {1}

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... ... @@ -118,10 +118,6 @@
118 118  
119 119  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.
122 -
123 -The switch is switched to (% style="color:blue" %)**I** (%%)and the motherboard battery is used for power supply.
124 -
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.
... ... @@ -201,7 +201,7 @@
201 201  === 2.3.2 Uplink Payload, FPORT~=2 ===
202 202  
203 203  
204 -==== (% style="color:red" %)**AT+MOD~=1**(%%) ====
200 +==== (% style="color:red" %)**MOD~=1**(%%) ====
205 205  
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  
... ... @@ -258,24 +258,15 @@
258 258  
259 259  
260 260  
261 -==== (% style="color:red" %)**AT+MOD~=2**(%%)** ** ====
257 +==== (% style="color:red" %)**MOD~=2**(%%)** ** ====
262 262  
259 +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.
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.)
265 -
266 -[[image:image-20231128133704-1.png||height="189" width="441"]]
267 -
268 -
269 -* **Set over-limit alarm mode: AT+DOL=3,500,244,**(% style="color:red" %)0(%%)**,120**
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 -
274 274  (% 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
262 +|(% 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" %)**4**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**
263 +|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% 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
277 277  
278 -[[image:image-20231209171127-3.png||height="374" width="1209"]]
265 +[[image:image-20231209155616-2.png||height="271" width="1262"]]
279 279  
280 280  (% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
281 281  
... ... @@ -307,11 +307,6 @@
307 307  **3: **Greater than the lower limit
308 308  
309 309  
310 -(% style="color:blue" %)**Distance:**
311 -
312 - Actual sampling distance values.
313 -
314 -
315 315  (% style="color:blue" %)**Upper limit:**
316 316  
317 317  The upper limit of the threshold cannot exceed 2000mm.
... ... @@ -322,15 +322,6 @@
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**
326 -
327 -Continuous measurement, detect and count people or things passing by in distance limit mode.
328 -
329 -[[image:image-20231209173457-5.png||height="277" width="1098"]]
330 -
331 -
332 -
333 -
334 334  == 2.4 Decode payload in The Things Network ==
335 335  
336 336