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Last modified by Xiaoling on 2025/04/27 16:45
From version 173.3
edited by Xiaoling
on 2022/06/15 10:11
Change comment: There is no comment for this version
To version 172.8
edited by Xiaoling
on 2022/06/15 10:04
Change comment: There is no comment for this version

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100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 +
103 103  == 1.3  Suitable Container & Liquid ==
104 104  
105 105  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
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109 109  ** Pure non metal material: <10 mm
110 110  * Pure liquid without irregular deposition.
111 111  
113 +
112 112  == 1.4  Mechanical ==
113 113  
114 114  [[image:image-20220615090910-1.png]]
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199 199  * Smart liquefied gas solution.
200 200  
201 201  
204 +
202 202  == 1.7  Precautions ==
203 203  
204 204  * At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
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206 206  * When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
207 207  
208 208  
212 +
209 209  == 1.8  Pin mapping and power on ==
210 210  
211 211  
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365 365  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
366 366  
367 367  
372 +
368 368  === 2.3.3  Interrupt Pin ===
369 369  
370 370  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
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418 418  
419 419  
420 420  
421 -== 2.4  Downlink Payload ==
426 +== 2.4  Uplink Interval ==
422 422  
423 -By default, LDDS20 prints the downlink payload to console port.
428 +The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
424 424  
425 -[[image:image-20220615100930-15.png]]
426 426  
427 427  
428 -**Examples:**
429 -
430 -
431 -* (% style="color:blue" %)**Set TDC**
432 -
433 -If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
434 -
435 -Payload:    01 00 00 1E    TDC=30S
436 -
437 -Payload:    01 00 00 3C    TDC=60S
438 -
439 -
440 -* (% style="color:blue" %)**Reset**
441 -
442 -If payload = 0x04FF, it will reset the LDDS20
443 -
444 -
445 -* (% style="color:blue" %)**CFM**
446 -
447 -Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
448 -
449 -
450 -
451 451  == 2.5  ​Show Data in DataCake IoT Server ==
452 452  
453 453  (((
image-20220615100930-15.png
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1 -XWiki.Xiaoling
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