Some time ago I showed this video: [ Ссылка ]
Since mercury is dangerous because it is toxic I found this tilt switches withou mercury. Instead they have a tiny ball inside that opens or close the circuit.
![](https://i.ytimg.com/vi/GJNkVJWM3Zc/maxresdefault.jpg)
Some time ago I showed this video: [ Ссылка ]
Since mercury is dangerous because it is toxic I found this tilt switches withou mercury. Instead they have a tiny ball inside that opens or close the circuit.