This project show how to make a Flashlight Activated Remote Control Circuit where we can turn it ON using flashlight. Also, the circuit uses a light sensor built with a transistor and a special LDR that detects flashlight. Furthermore, this article tell step-by-step guide how to build flashlight remote circuit and how to use it. […]
Infrared (IR) Sensor Alarm Circuit using TSOP1738
This tutorial show how to make a Infrared (IR) Sensor Alarm Circuit using TSOP1738, which finds intruder using light which we cannot see. Also, this alarm circuit uses infrared light so people call it IR alarm, which make one invisible light beam with small chip named IC 555. Moreover, if someone walk in front of […]
Infrared (IR) Intruder Alarm Circuit
This article tell how to make new type of Infrared (IR) Intruder Alarm Circuit, where it can find person who walk through invisible light beam. Circuit have two main part: one transmitter and other one is receiver. Transmitter send out one infrared light beam across a room and if someone goes in front of light […]
Simple Transformerless Power Supply Circuit
This article show how to make small and Simple Transformerless Power Supply Circuit which changes big voltage from wall socket to small voltage for electronics. Also, this circuit does this in smart way with no need of big transformer. WARNING: High voltage is dangerous, so only make this when adult is there and watching. What […]
Automatic Dimmer Dipper Circuit for Automobiles
Automatic dimmer dipper circuit for automobiles is a simple and small device used in vehicles and it changes the headlight brightness automatically when another vehicle comes from the front. Furthermore, because too much light can make other driver blind at night and also this can make an accident. So main purpose of this circuit is […]
Bench Power Supply Circuit
To begin with, this project is for Bench Power Supply Circuit which is easy to use and works good and we can change voltage and see current. What is a Bench Power Supply: Bench power supply circuit is useful device which gives steady and control power for working in lab, workshop and testing electronics. Also, […]