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Atari Punk Crab

Atari Punk Crab

“A 555 timer Atari punk console for all the bleeps and bloops. Ahhhhh, the good old days, when the bleeps and bloops of video games emitted from your local arcade and Atari reigned supreme. There is nothing like the sound …

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Adjustable Timer Switch

Adjustable Timer Switch

“Learn how to make a precisely adjustable timer with a variable delay from 1 - 100 seconds that uses the 555 IC. The 555 timer is configured as a Monostable Multivibrator. The output load is driven by the relay switch which …

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3x3x3 LED Binary Counter Cube

3x3x3 LED Binary Counter Cube

“I assembled for my grade 12 Computer Engineering final project. The goal was to fabricate any circuit that used a 555 timer IC chip. I liked the way LED cubes looked and perhaps the challenge of it too, so I …

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Fridge Door Alarm

Fridge Door Alarm

“In this project I will show you how to make a alarm that will sound if you have left the fridge door open to long. This circuit is not just limited to a fridge it could be used to trigger …

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Handheld Party Starter Pocket Strobe

Handheld Party Starter Pocket Strobe

“A 555 timer circuit with a 10k potentiometer and 9 LEDs for those times you just want to kick it up a notch. Bridging out from my last post on the 555 timer LED Blinkie, I decided to make something …

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555 Timer - LED Blinkie

555 Timer - LED Blinkie

“Exploring the simplicity of the 555 timer through a simple astable mode circuit to make an LED flash. What Is a 555 Timer? The 555 timer is an awesome simple integrated circuit that is used in numerous applications because of …

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74HC393 Binary Counter

74HC393 Binary Counter

“The 74HC393 is a widely used ic chip. Its main function is as a binary counter. A binary counter is similar to a Decade counter such as the well known 4017 Johnson counter, but the 74HC393 counter functions slightly differently …

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Contactless Voltage Detector

Contactless Voltage Detector

“3 Ways to Build Your Own Contactless Voltage Detector For Less Than a Dollar When electricity is not properly handled, it results in electrical shocks with a nasty experience; which is why safety must come first when working with electricity …

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