This is single IC LM3909 variable LED flasher circuit, and it needs only 1.5 volts for operation, we can vary the …
Category: Hobby Circuits
hobby electronic circuits
Components List S.No Name Quantity 1. IC 555 1 2. Capacitor 0.01uF 1 3. Push Switch 1 4. Resistor & …
Components List S.No Name Quantity 1. IC 555 1 2. Capacitor 0.01uF Capacitor 10 uF 1 3. Resistor 330Ω Variable …
Portable emergency LED lamp circuit with simple components and easy to make, here ten super flux white LEDs are used …
Frequency Modulation reaches several meters to kilo meter with low power transmitter circuit. Here two transistor based FM circuit diagram …
IC 555 used in many simple and useful circuits, every electronics hobbyist may surely tried IC 555 at least once …
To detect movement or motion of person the simple PIR (Passive InfraRed) circuit can be used, it gives reliable output …