Authors at the bowling alley I have to use a 60-second timer circuit rules should prepare 60sec. ball in the need to throw :) Anyway circuit pic16f876 microcontroller based on the output of the 2N2222 transistors with a strengthened... Electronics Projects, 60 Seconds Stopwatch Circuit "microchip projects, microcontroller projects, pic16f876 projects, " Date 2019/08/03