Push button
12 mm tactile · momentary · hold to close
Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.
Lessons and builds that use it
- Capacitor charging
- 555 monostable (one-shot timer)
- Synchronous counter (74HC161)
- Interrupts and debouncing
- Watchdog timer
- Send an SMS with the A7670 LTE module
- Thermal flasher and relay latch (start/stop)
- Hardware debounce and power-on reset
- 555 delay-off timer with relay (build)
- Reading a button: floating inputs and INPUT_PULLUP