Basics

A bounceless switch example using a 7404 inverter.

Description A simple book light Schematic Bill of materials QTY PART-REFS VALUE CODE --- --------- ----- ---- Resistors --------- 1 R1 150K 1 R2 120R 2 R3,R4 100K Capacitors ---------- 1 C1 10nF 1 C2 220uF Transistors ----------- 1 Q1 NPN 1 Q2 PNP Diodes ------ 1 D1 3V Bulb Miscellaneous ------------- 1 BAT1 3V 1 SW1 Push Button switch