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“This Arduino based digital clock is synchronized by the 60Hz power line. It has a simple and inexpensive common anode 4 digit 7 segment display which shows hours and minutes. It uses a cross over detector to detect when the …
“In this instructable I will be showing you how to make your own Smart Contact Dispenser! If you wear contacts then you are probably familiar with the boxes that they come in. Most people I know, including myself, use these …
“Have you ever thought about mounting a digital scale using an ESP32 and a sensor (known as a load cell)? Today, I’ll show you how to do this through a process that also allows for other laboratory tests, such …
“IntroductionAs a beginner in electronics, you’re pretty limited when it comes to powering your newly-fabricated circuits. Now, that would not be a problem if you make absolutely no mistakes. But, let’s face it that it is a rarity …
“A tutorial on How to make an InfraRed (IR) proximity sensor circuit along with detailed explanation on how the circuit works. The sensitivity or Range of detection can also be controlled by adjusting the potentiometer.”
“Sensors are the best thing to get started with DIY electronics, you can get a wide variety of sensors, each suitable for one or more tasks. The Arduino is compatible with a variety of sensors and I’m going to …
“Sensors make working with any project fun and simple to do, there exist thousands of sensors and we get the choice to choose the right sensor for our projects or needs. But nothing is better than designing your own DIY …
“In the lab, one often needs a repetitive signal of a certain frequency, shape and amplitude. It may be to test an amplifier, check out a circuit, a component or an actuator. Powerful waveform generators are available commercially, but it …
“Why would I want a tiny oscillscope? I’ve got a room full of electronic Stuff including four oscillscopes. But it’s a fuss using them. It would be nice to have something that fits in my pocket, that sits …
“A few weeks ago we had the first version of this project, the portable soldering iron V1.0 and that had a few problems. The main problem was the soldering tip that I’ve used. It was very low quality …