Home » Flasher

Cell Phone Ring to Flashing Lamp Indicator for People with Hearing Loss

The post explains a simple sound to flashing lamp circuit which can be used for facilitating people with hearing loss, so that they are able to visualize a distant cell phone rings through flashing of a lamp, and immediately understand regarding an incoming call in their cell phone. The following explanation and the circuit design … Read moreCell Phone Ring to Flashing Lamp Indicator for People with Hearing Loss

220V Dual Alternate Lamp Flasher Circuit using Transistor and Triac

This is a mains operated transformerless flasher circuit that can be used for alternately switching a couple of CFL or similar 220V/120V lamp to produce a decorative lighting effect. Circuit Operation The below shown design depicts a simple mains operated dual or alternate lamp flasher, which is designed to flash or blink two mains operated … Read more220V Dual Alternate Lamp Flasher Circuit using Transistor and Triac

Make this 2 Pin Bi-Color LED Flasher Circuit

This transformerless mains power supply circuit will allow flashing of a Bi-color 100 LED string, in an alternately switching red, green effect. Using 2-pin Bi-color LEDs The proposed circuit can be used as a Bi-color LED flasher, for generating an alternate red, green flashing effect over a string of 100 LEDs.     Bi-color LEDs … Read moreMake this 2 Pin Bi-Color LED Flasher Circuit

Morse Code Flasher Circuit for Lighthouse

The post discusses a simple morse code lamp flasher circuit which may be used for model lighthouse signalling applications. The idea was requested by Mr. Frank Gardner.  Technical Specifications I am in need of a unique flashing circuit. I have built several exact scale models of the light house at Yerba Buena Is. in San … Read moreMorse Code Flasher Circuit for Lighthouse

Flashing LED Battery Low Indicator Circuit

The post explains a simple low/normal battery voltage status indicator circuit through a flashing and a constant LED, where the flashing LED indicates a normal status while the solid indicator warns against a low battery condition. The idea was requested by Mr.Alf. Technical Specifications Hi, I found and built your “Low Battery Indicator Circuit Using … Read moreFlashing LED Battery Low Indicator Circuit

Bicycle LED Light Circuit Using a Single 1.5V Cell

The proposed bike flasher flashes two white LEDs from a single 1.5V cell by using a solitary general purpose transistor, and does not need core for the involved transformer, the main core being the Air itself. Using Joule Thief Concept Every Joule Thief circuit uses ferrite rod or toroid core and its turns are wounded … Read moreBicycle LED Light Circuit Using a Single 1.5V Cell

Do NOT follow this link or you will be banned from the site!