PIC, AVR, and Arduino are ubiquitous in projects these ... Instead of going with a microcontroller he built the circuit around a 555 timer. What he really needed in this case is a flip-flop ...

So you finally decided to hop on the Arduino bandwagon ... frequently used hardware like basic electronics (e.g., resistor, diode, capacitor), input (e.g., push button, ultrasonic sensor, keypad ...

Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

Arduino boards can most definitely ... for powering your circuit, and a reset pin for connecting a push button to reset the UNO in case you can't use the one on-board. Save for the ports ...

[Ed] was tasked with adding push-button degaussing to an arcade ... decoupling cap to power the new deguassing circuit and connected the SSR to the Arduino as an open collector input.