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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 170.2
edited by Mengting Qiu
on 2023/12/12 10:36
Change comment: There is no comment for this version
To version 168.1
edited by Edwin Chen
on 2023/12/11 22:12
Change comment: Uploaded new attachment "image-20231211221253-2.png", version {1}

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Author
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1 -XWiki.ting
1 +XWiki.Edwin
Content
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49 49  
50 50  == 1.3 Specification ==
51 51  
52 +
52 52  (% style="color:#037691" %)**LiDAR Sensor:**
53 53  
54 54  * Operation Temperature: -40 ~~ 80 °C
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64 64  
65 65  (% style="color:#037691" %)**Battery Power Mode:**
66 66  
67 -* Idle: 3uA @ 3.3v
68 +* Idle: 0.003 mA @ 3.3v
68 68  * Max : 360 mA
69 69  
70 70  (% style="color:#037691" %)**Continuously mode**:
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72 72  * Idle: 21 mA @ 3.3v
73 73  * Max : 360 mA
74 74  
75 -== 1.5 Use Case ==
76 -
77 -(% class="mark" %)**Regular Distance Detect**
78 -
79 -[[image:image-20231211220922-1.png||height="352" width="605"]]
80 -
81 -
82 -(% class="mark" %)**Counting / Alarm**
83 -
84 -[[image:image-20231211221253-2.png]]
85 -
86 -
87 -[[image:image-20231211221436-3.png]]
88 -
89 -
90 90  = 2. Configure DS20L to connect to LoRaWAN network =
91 91  
92 92  == 2.1 How it works ==
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126 126  
127 127  
128 128  
129 -=== Step 2: Activate DS20L ===
115 +=== Step 2: Activate on DS20L ===
130 130  
131 131  [[image:image-20231128133704-1.png||height="189" width="441"]]
132 132  
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134 134  
135 135  The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
136 136  
137 -The switch is switched to (% style="color:blue" %)**I** (%%)and DS20L will be power by the built-in battery.
123 +The switch is switched to (% style="color:blue" %)**I** (%%)and the motherboard battery is used for power supply.
138 138  
139 139  (% 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.
140 140  
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219 219  
220 220  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.
221 221  
222 -**Uplink Payload totals 10 bytes.**
208 +Uplink Payload totals 10 bytes.
223 223  
224 224  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
225 -|(% 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**
226 -|(% 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
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
227 227  
228 -**MOD+ Alarm+ Interrupt:**
229 -
230 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:400px" %)
231 -|(% style="background-color:#4f81bd; color:White; width:50px" %)**Size(bit)**|(% style="background-color:#4f81bd; color:White; width:60px" %)**[bit7:bit6]**|(% style="background-color:#4f81bd; color:White; width:70px" %)**bit5**|(% style="background-color:#4f81bd; color:White; width:120px" %)**bit4**
232 -|(% style="width:80px" %)Value|(% style="width:80px" %)MOD|(% style="width:89px" %)Digital Interrupt
233 - |(% style="width:167px" %)(((
234 -Distance Alarm
235 -
236 -0: No Alarm;
237 -
238 -1: Alarm
239 -)))
240 -
241 -Example parse in TTNv3
242 -
243 243  [[image:image-20231209152917-1.png||height="300" width="1172"]]
244 244  
245 245  (% style="color:blue" %)**Battery Info:**
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278 278  
279 279  Ex1: 0x00: Normal collection distance
280 280  
281 -Ex2: 0x0x: Distance collection is wrong
252 +Ex2 0x0x: Distance collection is wrong
282 282  
283 283  
284 -(% style="color:blue" %)**Interrupt Count:**
255 +(% style="color:blue" %)**Interript Count:**
285 285  
286 286  If payload is:000007D0H: count = 07D0H =2000
287 287  
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302 302  
303 303  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
304 304  |(% 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**
305 -|(% 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
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
306 306  
307 307  [[image:image-20231209171127-3.png||height="374" width="1209"]]
308 308  
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319 319  
320 320  When the detection distance exceeds the limit, the alarm flag is set to 1.
321 321  
322 -(% style="color:red" %)**DO:**
293 +(% style="color:red" %)**Do:**
323 323  
324 324  When the distance exceeds the set threshold, pull the Do pin high.
325 325  
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449 449  
450 450  
451 451  (((
452 -[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, onhuman-friendlya in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
423 +[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
453 453  )))
454 454  
455 455  
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522 522  == 3.3 Commands special design for DS20L ==
523 523  
524 524  
525 -Below commands only valid for DS20L, as below:
496 +These commands only valid for DS20L, as below:
526 526  
527 527  
528 528  === 3.3.1 Set Transmit Interval Time ===
image-20231211221436-3.png
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