This is Simple Metal Detector Circuit using IC 555, uses IC 555 chip which works like small clock and makes signal to help find metal and magnet Also, it is easy to build and good for beginners. Circuit Working: Parts List: Components Values Quantity Resistor 47k 1/4 watt 1 Capacitors Electrolytic 10μF 25V 1 Electrolytic […]
Mini Projects
Simple Toy Organ Circuit using IC 555
This is small and Simple Toy Organ Circuit using IC 555 make sound like music when we press a switch. We use an IC 555 in astable mode to generate sound and when the user presses different switches, the circuit produces different tones. Therefore, the circuit is simple to construct and serves as an excellent […]
Simple Mains Phase Detector Circuit using CMOS ICs
This article talks about two easy and Simple Mains Phase Detector Circuit using CMOS ICs like IC 4001 and IC 4060; also they find if mains AC 220V or 120V is present in air. There is no need to touch the mains, circuit uses antenna to feel mains power in air. Circuit Working (using IC […]
Simple IC 555 Oscillator Circuits
Simple IC 555 Oscillator Circuits is a 555 timer chip which is common and easy to use; also it is good for many projects. But for some circuits we must know how it works when not active. Two main pins: IC 555 Pinouts Here is a list that shows what each pin on the chip […]
Simple Phone Transmitter Circuit
Simple Phone Transmitter Circuit uses few parts, as it take sound from phone talk and changes to signal and also signal goes far using antenna. Furthermore, this circuit is easy to make and works well with landline phone. Circuit Working: Parts List: Components Values Quantity Resistors 10k, 47k, 330Ω (1/4 watt ) 1 each Capacitors […]
Simple Buck Converter Circuit for Converting 12V to 3V
Simple Buck Converter Circuit for Converting 12V to 3V also called step-down converter is common in electronics; it takes high DC voltage and makes it lower, like a valve but for voltage. Additionally, phones and laptops use this type of circuit to convert a 12V battery supply into lower voltages, such as 3V, for smaller […]





