LM339 LDR Comparator Circuit

Simple LDR Comparator Circuit designed by using IC LM339 from Texas Instruments. Which is a Quad…

Simple Single Push Button ON OFF Relay Circuit

In Some Case, To control Some Electronic or Electric Load we need Single switch like Push…

DIY EL Wire Inverter Circuit

Colorful EL Wires are attractive and Eye Catching Gadget but this wire requires high Frequency AC…

Simple Automatic Arduino Pet Feeder

Allow any Pet to eat as when they want by using this Simple Automatic Arduino Pet…

Simple Voice FM Transmitter Circuit

Simple Voice FM Transmitter Circuit designed by using single NPN BC547 Transistor. This mini FM transmitter…

1 IC LED Flashing Circuit Using 555 Timer

How to Make Continuous LED Flashing Circuit? To Answer this Common and Frequently asked question we…

Automatic Street Light Circuit Using IC 741

Simple Automatic Street Light Circuit Using IC 741 is easy to construct with few easily available…

Condenser Mic Preamplifier Circuit

Simple easy to construct Condenser Mic Preamplifier Circuit designed by using sing transistor (BC547). This PreAmplifier…

Inductive Proximity Switch Circuit

Simple Inductive Proximity Switch Circuit designed by using IC TCA505BG from Siemens. TCA505BG is a IC…

Low Voltage Audio Power Amplifier Circuit

Simple Low Voltage Audio Power Amplifier Circuit designed by using IC LM386. IC LM386 from Texas…