# Magnet operated kill switch?

**URL:** https://foil.zone/t/magnet-operated-kill-switch/15715
**Category:** Electronics (ESC, remote, batteries)
**Created:** [May 14, 2022, 5:14pm UTC](https://foil.zone/t/magnet-operated-kill-switch/15715 "2022-05-14T17:14:50Z")
**Posts on this page:** 1
**Showing post:** 26

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### Author: ![jeffM](https://foil.zone/user_avatar/foil.zone/jeffm/32/82_2.png) [@jeffM](https://foil.zone/u/jeffM)
#### Post date: [October 10, 2022, 1:23pm UTC](https://foil.zone/t/magnet-operated-kill-switch/15715/26 "2022-10-10T13:23:06Z")

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I found a solution  
I plug a 10k pull-down resistor on ADC2 and all works fine 🙂  
Very happy

 ![IMG_4114](https://foil.zone/uploads/default/original/3X/8/4/84d8749dfe3e454ee43f91946c92a72ea36a657f.jpeg)  
 ![IMG_4115](https://foil.zone/uploads/default/original/3X/d/e/ded0bc307e56dbbda16d7ca5bfda7a14b090c242.jpeg)

0V on ADC2 when kill switch is open

 ![IMG_4116](https://foil.zone/uploads/default/original/3X/9/3/93810167877b42c1a48dbbcc892329350d5ce07d.jpeg)

3.3V when kill switch is close

 ![IMG_4117](https://foil.zone/uploads/default/original/3X/1/1/11942c79283b0551ce007bffca583c559f834d88.jpeg)

[![](https://img.youtube.com/vi/mZv6F6zPLvQ/maxresdefault.jpg "kill switch on ADC2 (sucess)with 10k pull-down resistor") ](https://www.youtube.com/watch?v=mZv6F6zPLvQ)

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