Category: LED-Circuits

LED Blitzer is a LED Blinker

LED Blitzer is a LED BlinkerThis strange circuit was in Openclipart i am not sure if it will work. Later i found (more…)

The 555 Astable generates a clock for this circuit, an oscillator giving a square wave output at pin 3 which is counted (more…)

Need a design – Simple one button push button to turn on 4 different LED (3mm Dome) every time you press the (more…)

The following was submitted on July 11th, 2007. Message: I want to combine Ne555 with 74154 IC.The indication of the outputs must (more…)

Here is a easy to read ‘Analog’ Millivoltmeter. Just like the Moving Coil Voltmeter, but does not have that resolution. This gives (more…)

This is a LED Analog Meter, This can be used as a Resistance Meter and Low Impedance Voltmeter for Battery Levels. To (more…)