RK Education 555 timer Astable Projects (70-6017/8/9) PCB

RK Education 555 Timer Astable Projects - RK Education 70-6017A A high quality pre-drilled and printed empty printed circuit board for use with the RK Education 555 Timer Astable Projects 70-6017 60-6018 and 70-6019. RK Education 555 timer Astable Projects (70-6017/8/9) PCB