This high/low temperature indicator circuit uses only BJTs and the temperature is being monitored by a thermistor. This straightforward temperature alarm circuit is set to sound an alert (either vocally […]
Remote Control Circuit for 220V Appliances
With a compact control device, home automation, sometimes referred to as domotics, enables us to turn on and off a variety of items, including entrance gates, shutters, curtains, TVs, hi-fi […]
Precision Solar Battery Charger using Comparator
Any solar panel may be used to maximize battery charging with this compact and accurate comparator-based solar battery charger configuration, which also guards against unintentional overloading. With the longer battery […]
Simple String Light Circuits for Festival Decorations
In order to decorate houses for festivities like Christmas and Halloween, the article explains how to connect small 12 volt flashlight bulbs into colorful string lights. String Light Definition A […]
LED Lamp Circuit using Transformer Adapter
If you are concerned that an LED light with a transformerless base might not be dependable or sufficiently powerful, you may get equivalent results by using a transformer-based power supply […]
220V Compact Tube Light Circuit using LEDs
A compact high-efficiency LED tube light is a type of bulb that runs on AC mains supply to provide illumination to the area where it is mounted. The full design specifications of […]