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 ...

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

Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

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 ...

My daughter likes buttons ... I generally power my Arduino projects from a shield. It lets me avoid wasting power through the USB circuit, and also lets me easily put filter capacitors on to ...

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 ...

Created by the Lenka Design Workshop the case has been created using a 32×32 LEGO baseplate finished with a clear acrylic cover to house the four large arcade buttons and Arduino board ...