Charger circuit failure alarm Designed to alert when there is open or disconnected Battery from charger…
Category: Hobby Circuits
hobby electronic circuits
USB Rechargeable LED Circuit
USB Rechargeable LED circuit designed for longer glowing time. This circuit has USB C Receptacle hence…
Mini Flasher
Multipurpose Mini Flasher is designed by using timer IC LM555 and two LEDs, these two LEDs…
Lamp Pulser Circuit
We can decorate different things by using LED, by adding some effects in LED lighting then…
12v and 5v Dual Power Supply
We power most electronic circuits and devices by using 12 volt or 5 volt Regulated DC…
multipurpose FM transmitter circuit
Simple multipurpose FM transmitter circuit designed by using two NPN transistors and few easily available components.…
Small FM bug Transmitter Circuit
Simple and Small FM bug Transmitter Circuit designed by using single transistor and few oscillating elements.…
Light Detector With Sensitivity Control Circuit
Simple Light Detector With Sensitivity Control Circuit is designed by using LDR (Light Dependent Resistor) and…
Temperature Controlled DC Fan
Simple Temperature Controlled DC Fan Circuit is designed with Negative temperature co-efficient Thermistor and an operational…
Simple Soil Dryness Detector Circuit
Important thing for plant growth and life is water for proper plant hydration we need to…