Soldering Practice CD4060 SMT Music Circuit Board LED Electronic Project DIY Kit

Category

Other Electrical Equipment & Supplies

Store

eBay

Brand

Markenlos

In the circuit, resistors R1, R2, R3 and electrolytic capacitor C4 CD4060 RC oscillation peripheral circuit, change R3 can change the frequency of the oscillation circuit. The circuit selected Q5-06 three outputs, when the pin outputs a low level, and the connection of the transistor conduction, connected to the transistor emitting school LED light.

3.59 GBP