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Last modified by Edwin Chen on 2025/06/26 11:53
From version 5.1
edited by Edwin Chen
on 2022/12/17 16:54
Change comment: There is no comment for this version
To version 4.1
edited by Edwin Chen
on 2022/12/17 16:45
Change comment: There is no comment for this version

Summary

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5 5  
6 6  ~= Use a flow switch =
7 7  
8 -~==How it works==
9 -
10 10  Below is an example of flow switch. and product link:
11 11  
12 12  [[https:~~/~~/www.amazon.com/Float-Switch-Septic-System-Sump/dp/B0064BHEVM/ref=sr_1_5?crid=2PCMSD63FBP42&keywords=float%2Bswitch&qid=1671230997&refinements=p_72%3A1248909011&rnid=1248907011&s=hi&sprefix=float%2Bswitch%2Caps%2C155&sr=1-5&th=1 >>https://www.amazon.com/Float-Switch-Septic-System-Sump/dp/B0064BHEVM/ref=sr_1_5?crid=2PCMSD63FBP42&keywords=float%2Bswitch&qid=1671230997&refinements=p_72%3A1248909011&rnid=1248907011&s=hi&sprefix=float%2Bswitch%2Caps%2C155&sr=1-5&th=1]]
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13 13  
14 14  [[image:image-20221217164157-1.png||height="329" width="486"]]
15 15  
16 -[[image:image-20221217164432-3.png||height="282" width="501"]][[image:image-20221217164337-2.png||height="279" width="431"]]
14 +[[image:image-20221217164432-3.png||height="282" width="501"]][[image:image-20221217164337-2.png||height="327" width="505"]]
17 17  
18 -The switch will switch on/off to show if the water / liquid has dedicate level.
19 19  
20 -
21 -To use such switch with Dragino Products, use can connect it to LSN50v2 use the same way as a door switch. See reference link:
22 -
23 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.5DigitalInterrupt >>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.5DigitalInterrupt]]
24 -
25 -
26 -~==Advantage & Disadvantage==
27 -
28 -**Advantage** : Reliable , Easy to install & Immue to different environment.
29 -
30 -**Disadvantage**: Only be able to detect one speicify level. Not able to detect full range of water.
31 -
32 -
33 -
34 -
17 +Such switch has NC and NO which will action when