When power is turned on, the circuit goes into standby mode ... and hence the reed switch should be in “closed”state at standby mode. When reed switch is opened, pin 2 of Arduino goes high with the ...

Hermetically sealed-in-glass reed switches located inside the stem are activated ... The Atmega328P-PU (IC1) chip in this circuit is infact an Arduino UNO chip, that is to say IC1 holds a small code ...

Digi-Key Electronics has signed a worldwide distribution agreement with LogiSwitch, makers of the Arduino-friendly NoBounce line of ICs and switches. LogiSwitch’s adaptive NoBounce technology ...