Posted inSound Generator
Morning sun alarm circuit using IC-4011
This is Morning sun alarm circuit using IC-4011 that hobby It will have sound alarm when morning like a normal clock alarm with lighting sensor same clock.
Posted inMotor Controller Controls & Timers
Simple 12V | 9V | 6V Motor DC Speed Control with PWM mode
To Control speed DC motor easily with a few parts in circuit.
Posted inControls & Timers
Surge protection circuit for power supplies
The surge protection circuit important! Sometimes, our electrical appliances may damage easily by little high voltage surges. We can protect this problem.
Posted inMeters & Detectors
4 simple transistor tester circuits
This is the Transistor tester circuit into PCB. When your project do not works, the tester electronic parts or component be what need very much.
Posted inSound Generator
4011 Tone Generator circuit projects
Here is the tone generator circuit,it is small size. I use IC digital CMOS 4011 quad NAND gate.