CD4047 IC Monostable/Astable Multivibrator HEF4047
CD4047B consists of a gatable astable multivibrator with logic techniques incorporated to permit positive or negative edge-triggered monostable multivibrator action with retriggering and external counting options.
PIC16F628A microcontroller
power supply for bread board 5v,3.3v
IC 4025 Triple NOR Gate CD4025
لوحة تجارب بريد بورد صغيرة Half-Size Breadboard 










