This paper newly designs the control circuit of the 7-segment common cathode LED display global positioning system (GPS) receiver clock and presents an Arduino sample program. The computer numerical control (CNC) router engraves the copper foil substrate to manufacture the printed wiring boards (...
Ultrasonic range finder using 8051 mictrocontroller has been already published by me in this website. This time it is an ultrasonic range finder using arduino. HC-SR04 ultrasonic range finder module is used as the sensor here. The display consists of a three digit multiplexed seven segment disp...