High power siren circuit using CD40106 and TIP31, small and easy
This is High power siren circuit with small PCB size, using CD40106 and four transistor TIP31-TIP32 increase current to horn speaker 20W, 4-8ohm. , and
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October 31, 2018
Triangle wave generator circuit with cmos inverter IC
It is easy use a few parts, you can make it now!
January 6, 2017