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“My goal is a 4-bit CPU using recycled cardboard substrate and Diode Transistor Logic. This will develop into an educational platform for me. Attempt to build a four bit computer using recycled, re-purposed and just plain junk as the main …

“This counter is the result of designing a cascading counter because it’s constructed like an asynchronous counter of 6 bits. That is, the project needs to function the following components: 6-10mm LEDs, 6-Flip-Flops(IC74LS76), and an IC555 timer for …

“Despite sinks being critical to hygiene, manual taps are still pretty nasty and so newer “automatic” sinks are used in many public spaces. In this DIY Hacking project, we will create a simple IR water dispenser!”

“When I first heard there was a microchip manufacturer called Potato Semiconductor Corporation I immediately knew I had to try to put an electronic circuit on a potato chip, to make my own ‘microchip’, or ‘macrochip’, so-to-speak. And so I …

“The digital age has seen a tremendous transformation ranging from the rapid increase in hard drive space and the speed of processors. However, some computer users in the past had to rely on more ancient technology to save and load …

“This ARDUINO tutorial will show you how to use a 555 timer to blink led’s so you don’t have to use delays in your sketch.”

“Question: is the 555 complete in the Boolean sense? That is, can any Boolean function be realized as a network of 555 chips? Answer: yes. Tie the threshold pin high—-this essentially disables the 555’s internal latch. Now provide …

“Hello everybody today I’m back with a new Instructables. In this instructables I will show you how to make an Ne555 dark sensor.”

“This gadget was designed as part of etching and PCB design workshop at PIFcamp 2017 by Staš Vrenko and Vadim Vooku Petrov. During the workshop participants learned to design a circuit in KiCAD and later etched and built the board …

“Before hard disks and floppy drives were widely used by the public, cassette tapes played a vital role in the world of information storage. In this project, we will learn how to build a simple UART to tape interface so …