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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 165.1
edited by Mengting Qiu
on 2023/12/11 15:12
Change comment: There is no comment for this version
To version 170.1
edited by Edwin Chen
on 2023/12/11 22:50
Change comment: There is no comment for this version

Summary

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1 -XWiki.ting
1 +XWiki.Edwin
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47 47  * Firmware upgradable via program port or LoRa protocol
48 48  * Built-in 2400mAh battery or power by external power source
49 49  
50 +
50 50  == 1.3 Specification ==
51 51  
52 -
53 53  (% style="color:#037691" %)**LiDAR Sensor:**
54 54  
55 55  * Operation Temperature: -40 ~~ 80 °C
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60 60  * ToF FoV: ±9°, Total 18°
61 61  * Light source: VCSEL
62 62  
63 +
63 63  == 1.4 Power Consumption ==
64 64  
65 65  
66 66  (% style="color:#037691" %)**Battery Power Mode:**
67 67  
68 -* Idle: 0.003 mA @ 3.3v
69 +* Idle: 3uA @ 3.3v
69 69  * Max : 360 mA
70 70  
71 71  (% style="color:#037691" %)**Continuously mode**:
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73 73  * Idle: 21 mA @ 3.3v
74 74  * Max : 360 mA
75 75  
77 +
78 +== 1.5 Use Case ==
79 +
80 +(% class="mark" %)**Regular Distance Detect**
81 +
82 +[[image:image-20231211220922-1.png||height="352" width="605"]]
83 +
84 +
85 +(% class="mark" %)**Counting / Alarm**
86 +
87 +[[image:image-20231211221253-2.png]]
88 +
89 +
90 +[[image:image-20231211221436-3.png]]
91 +
92 +
76 76  = 2. Configure DS20L to connect to LoRaWAN network =
77 77  
78 78  == 2.1 How it works ==
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112 112  
113 113  
114 114  
115 -=== Step 2: Activate on DS20L ===
132 +=== Step 2: Activate DS20L ===
116 116  
117 117  [[image:image-20231128133704-1.png||height="189" width="441"]]
118 118  
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120 120  
121 121  The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
122 122  
123 -The switch is switched to (% style="color:blue" %)**I** (%%)and the motherboard battery is used for power supply.
140 +The switch is switched to (% style="color:blue" %)**I** (%%)and DS20L will be power by the built-in battery.
124 124  
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  
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249 249  
250 250  Ex1: 0x00: Normal collection distance
251 251  
252 -Ex2 0x0x: Distance collection is wrong
269 +Ex2: 0x0x: Distance collection is wrong
253 253  
254 254  
255 -(% style="color:blue" %)**Interript Count:**
272 +(% style="color:blue" %)**Interrupt Count:**
256 256  
257 257  If payload is:000007D0H: count = 07D0H =2000
258 258  
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273 273  
274 274  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
275 275  |(% 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
293 +|(% 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
277 277  
278 278  [[image:image-20231209171127-3.png||height="374" width="1209"]]
279 279  
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290 290  
291 291  When the detection distance exceeds the limit, the alarm flag is set to 1.
292 292  
293 -(% style="color:red" %)**Do:**
310 +(% style="color:red" %)**DO:**
294 294  
295 295  When the distance exceeds the set threshold, pull the Do pin high.
296 296  
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420 420  
421 421  
422 422  (((
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:
440 +[[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:
424 424  )))
425 425  
426 426  
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493 493  == 3.3 Commands special design for DS20L ==
494 494  
495 495  
496 -These commands only valid for DS20L, as below:
513 +Below commands only valid for DS20L, as below:
497 497  
498 498  
499 499  === 3.3.1 Set Transmit Interval Time ===
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579 579  
580 580  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
581 581  
599 +
582 582  === 3.3.3 Set work mode ===
583 583  
584 584  
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600 600  
601 601  * **Example:** 0x0A02  ~/~/  Same as AT+MOD=2
602 602  
621 +
603 603  === 3.3.4 Set threshold and threshold mode ===
604 604  
605 605  
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617 617  )))
618 618  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
619 619  
620 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
639 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
640 +|=(% style="width: 162px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 193px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 155px;background-color:#4F81BD;color:white" %) Parameter
621 621  |(% rowspan="11" style="color:blue; width:120px" %)(((
622 622  
623 623  
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636 636  
637 637  
638 638  
639 -
640 -
641 641  The first bit sets the limit mode
642 642  )))|(% style="width:150px" %)0: Do not use upper and lower limits
643 643  |(% style="width:251px" %)1: Use upper and lower limits
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663 663  
664 664  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
665 665  
666 -* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800100,0,400
684 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800,100,0,400
667 667  
668 668  * Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
669 669  
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719 719  
720 720  * Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
721 721  
740 +
722 722  = 6. FAQ =
723 723  
724 724  == 6.1 What is the frequency plan for DS20L? ==
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