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by
scott
Jun 08 2009
Mercury Tilt Switch - Old School Accelerometer
Rummaging through the ubiquitous box of random stuff, I pulled out a mercury tilt switch, which were / are used in vending machines, thermostats, and construction equipment to detect tilt. The liquid drop of mercury conducts current when it bridges two contacts at one end, and, according to wikipedia, can operate millions of cycles since there's no wear.
Anyone know the right way to dispose of these?
Anyone know the right way to dispose of these?
Check with your local landfill. They may have some sort of “hazardous household waste” program that will accept such things for free, or for a small fee.
You can dispose of it by mailing it to me!
(complete instructions)