Switches-ButtonsTactile Push Button SwitchMini tactile push button switch. Small, momentary on push button with that nice "clicky" feel when you press it.
[Product Details...] $0.25 Reed SwitchReed Switch
This is a non-contact magnetic switch. Put a magnet near it and the switch closes, and current flows. Take the magnet away, and the switch opens. Perfect for detecting doors opening, etc. [Product Details...] $1.65
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