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.
74LS47 (7447) BCD to Seven Segment
HT12D IC Decoder for 433MHZ RF wireless module 











