Here, an Arduino is used to command the TEA688OH signal processor (QFP chip top right) to switch inputs on command. A DPDT switch is used here to switch the I2C lines between the Arduino and the ...

Debouncing button or switch inputs on microcontrollers can be a challenging ... For those wanting to try this out, [stockyu] has included some example Arduino code for others to use.

PANIC ALARM - ARDUINO // // by T.K.Hareendran // int rlyPin = 12; // Relay Output Pin int sensPin = 2; // Switch Input Pin int ledPin = 13; // LED output Pin int pzSpeaker = 10; //Piezo-speaker Output ...

The Arduino Mega's PWM pins are digital output pins located on D2 to D13 and D44 to D46, coming to a total of 15. While they function as normal digital pins that can switch a component either ...