SPST switches can also work as "push-to-make" on, where when the button is released it returns to its normally ... push off characterizes an alternating contact. In a momentary contact switch the ...

In this case, [Tod] wanted to use a momentary tactile switch to turn something on and off. Instead of going with a microcontroller he built the circuit around a 555 timer. What he really needed in ...

whatever it is you’d do with a bunch of toggle switches and momentary push buttons hanging off your computer. Tracing wires from the panel switches. With the Teensy going its best impression of ...