Content for Perfboard

Microbit Capacitance Meter

“What is a capacitor? A device that stores electrical charge which in its basic form consists of two conducting plates separated by a dielectric. In addition to the basic parallel plate several other forms of construction exist an example being …

Arbitrary Wave Generator With the Raspberry Pi Pico

“Just two weeks ago, the pico, a new microcontroller, the pico, was released by the Raspberry Pi Foundation, well known for the incredibly successful series of Raspberry Pi single-board computers. The new microcontroller uses a brand new chip, designed in-house …

Building the Simplest, Best Sounding, Yet Most Inefficient Audio Amp!

“In this project I will be showing you how to create a class A audio amp. The great thing about such amps is that they only require a few components and sound awesome. On the other hand though, their efficiency …

Project  Magic Dome

Magic Dome

“Francisca Molero Luque, Dolores Martn Cabrera and Laura Meja Ospina, students of ‘Creative Electronics’, a Beng Electronics Engineering module at the University of Mlaga, School of Telecommunications. We decide to make as final project a derivation of Interactive Geodesic LED …

tCam-Mini: An ESP32-Based Radiometric Thermal Imaging Camera

“A simple-to-build streaming radiometric thermal imaging camera with powerful desktop software. tCam-Mini is a small wireless streaming thermal imaging camera I designed to make it easy to get and use radiometric data from a Flir Lepton 3.5 sensor. I …

Water Level Indicator With Temporary Alarm & Water Flow Sensor

“There are many countries and people who depend on the water tank to get the water for their home as I am. In the lockdown, my dad keeps climbing the stairs to know the water level and to secure our …

Arduino Negative Voltmeter

“3-channel voltmeter with the ability to measure both negative & positive voltages on the same circuit or 3 different circuits simultaneously Stuck with only one multimeter/voltmeter ? But, sometimes you need to check 2 or 3 voltages as the same time …

Easy Joule Thief Circuit

“A joule thief takes a low DC voltage and boosts it up to a higher voltage. You can even take a battery that other devices will consider to be drained and get a bit more of the energy out of …

JX Audio Spectrometer

“A small gadget that uses an OLED display and the FFT library to generate the audio spectrum. Add a pinch of life to your music. Using any Arduino model and the ArduinoFFT library, a 0.96 inch two-color OLED display …

LED Juggling Knives

“This project was inspired by one of my friends, who is an avid juggler. He was looking for glow in the dark juggling balls and I wanted to try my hand in building it. As I worked through the design …