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555 Timer Projects

Infrared (IR) Sensor Alarm Circuit using TSOP1738

Last updated on 6 May 2026 by Admin-Lavi Leave a Comment

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 […]

Filed Under: 555 Timer Projects, Alarm Circuits, Security and Protection, Sensors and Detectors

Infrared (IR) Intruder Alarm Circuit

Last updated on 5 May 2026 by Admin-Lavi Leave a Comment

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 […]

Filed Under: 555 Timer Projects, Alarm Circuits, Automation Circuits, Security and Protection, Sensors and Detectors

LED Chaser Circuit using IC 4017

Last updated on 29 April 2026 by Admin-Lavi Leave a Comment

This LED Chaser Circuit using IC 4017 project make LED lights turn ON one by one like chasing, also it is fun way to learn electronics. In addition, one chip of IC 555 makes pulse again and again and that pulse connects to other chip IC 4017 and it turn ON and OFF each pin […]

Filed Under: 555 Timer Projects, DIY Projects, Hobby Circuits, LED and Lamps

Adjustable DC Motor Speed Controller Circuit

Last updated on 23 April 2026 by Admin-Lavi Leave a Comment

To begin with, Adjustable DC Motor Speed Controller Circuit with Reverse Forward Facility discusses about how to make one simple circuit to control DC motor speed and direction, it uses one popular chip called IC 555 and one special switch. Hence, we can change motor speed by turning one knob which controls power and send […]

Filed Under: 555 Timer Projects, Motor Controllers

Wireless LED Light Circuit

Last updated on 23 April 2026 by Admin-Lavi Leave a Comment

Nowadays, there are wireless charging inside many things like phone and even big medical machines. So, in this article we will show how to make Wireless LED Light Circuit which light using one small chip called IC 555, also no wire needed, the LED will light up to show how wireless charging works. What is […]

Filed Under: 555 Timer Projects, DIY Projects, LED and Lamps

Red Blue Police Light Flasher Circuit

Last updated on 23 April 2026 by Admin-Lavi Leave a Comment

This article show how to make a Red Blue Police Light Flasher Circuit, as this circuit uses two IC 555 chips which are very common and each chip run at different speed. Hence, they connect to two LED groups in special way, in like opposite direction and this make LEDs blink one after other and […]

Filed Under: 555 Timer Projects, DIY Projects, LED and Lamps

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