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Build Electronic Circuits Blog

How To Build A DIY Sugar Dispenser

May 3, 2022 By Lejla Pulic Leave a Comment

In this guide, I’ll show you how to build a DIY sugar dispenser using parts made of cardboard. By making the parts out of cardboard, it’s quick and easy to build and experiment with different ways to have your machine dispense sugar.

Filed Under: Arduino, Circuits

How to Make a Dual 5V Power Supply From USB

April 29, 2022 By Jonathan Ortega Lobo Leave a Comment

In this guide I’ll show you how to build a +5V -5V dual power supply from a standard USB outlet, using just four components. It’s a simple circuit that only requires four different components. And you can easily build it at home on a prototyping board.

Filed Under: Circuits

How To Measure Water Tank Depth Using Ultrasonic Sensor

February 15, 2022 By Jonathan Ortega Lobo 1 Comment

In this tutorial, you’ll learn how to use an ultrasonic sensor. Specifically, you’ll learn how to use the HC-SR04 module with an Arduino to measure the depth of a water tank. An ultrasonic sensor is one of those things that some people don’t like getting into just because it sounds complex to use and understand. […]

Filed Under: Circuits

Cap Half Full #7 – Opamp basics and the 4000 series IC

February 2, 2022 By Øyvind Nydal Dahl Leave a Comment

Pinout for the 4016 IC

In this episode we talk about operational amplifiers (opamps) and the 4000 series IC that Øyvind has been writing a series of posts on. We also accidentally came across an error on Arrow’s website 😉.

Filed Under: Podcast

Repairing Electronics: Electronic Candle

January 17, 2022 By Øyvind Nydal Dahl 1 Comment

Electronic candles

When visiting my parents for Christmas, my dad showed me three electronic candles that did not work anymore. He told me he had changed batteries and showed me that they did not show any signs of life. I tried to get them to work as well, but no luck. It sounded like a really fun […]

Filed Under: Practical Skills

Ohmify Gift Cards are now available

December 16, 2021 By Øyvind Nydal Dahl Leave a Comment

ohmify gift card

A year of learning and building electronics can take you from knowing nothing to being able to build pretty advanced projects. Is there someone in your life that is (or could be) interested in electronics? We are now offering gift cards for a 1-year membership to Ohmify + a starter’s component kit.

Filed Under: Special

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