Circuit Designing & Firmware Development

Morse Code was designed by Samuel Morse and Alfred Vail. It uses short and long pulses - tones or lights - to represent letters and numbers...

Normally, 9V PP3 batteries last less than a couple of hours if used continuously. These cannot be used if the voltage is below 7.8V. Say go...

AC switches are silicon devices that control AC loads directly connected to the AC mains. This means that the driving reference terminal ...