Monthly Archive: August 2020
mode changeable Led Light is to adjust the brightness of the LED light using a Micro Switch. By pressing the Micro Switch in this Circuit the LED Brightness is changed in three modes.This is an …
This post describes how to make a Police LED flasher using a 555 Timer IC and BC 547 NPN Transistor. This circuit is capable of operating at 9v DC Voltage. This flasher is made using …
In this Temperature Alarm the 4007 diode is used as the sensor instead of the Temperature Sensor. The alarm sounds when the diode is heated. Temperature Sensor Circuit Diagram : Components Needed : BC547 Transistor …
The Dual LED Flasher Circuit is made using two BC547 Transistor which is a Flip Flop LED whose speed can be adjusted with 10k preset. Dual LED Flasher Connection : This LED Flasher is used …