Content for Project

Monitor CO2 and TVOC With ESP32

“Due to the epidemic of covid-19, I have to work from home. In the winter, I have to close the doors and windows. The longer I stay in, the higher levels of CO2 increases, that made me a bit dizzy …

Mouse the Self-driving Robot

“Mouse is a simple maze solving robot to teach students and young engineers about robotics and the use of a micro-controllers. The robot uses a Micro:bit connected to a Kitronic motor diver board and an ultra-sonic sensor to find …

Neopixel Arcade Led Game

“This is a small game made by Me {Anni Boy } using Arduino UNO in Tinkercad Circuits. You can also use real-life Arduino instead of using Tinkercad for higher performance. Follow the steps shown below… Components: 1. Arduino UNO 2. Liquid …

Neopixel Charcuterie Board

“I love addressable LED lights and while brainstorming ideas for ways to use them I decided I wanted to try using epoxy resin to make a charcuterie board. The plan was to dye the epoxy white to have an opaque …

Pocket Dice! Electronic Dice for Liars Dice and More

“In this instructable, I will show you how I made this set of electronic dice. This is a small handheld device that contains 5 individual die with a button that initiates a random roll. The switch is used to turn …

Pocket Op Amp Lab

“This is a self-contained tool to allow you to experiment with the configurable op amps provided in the new AVR DB-series processors from Microchip. It shows the configuration as a circuit diagram on the display, and lets you reconfigure …

RefloWaffle: A dirt cheap reflow oven - the Belgian way

“Though I don’t do many PCBs, I guess every hacker must have a reflow oven. So this is a project I’ve been pursuing on and off for nearly 4 years: A small, portable, and dirt cheap (less than …

Reverse-engineering a low-power LED flasher chip

“How do you make an LED blink? A vintage way is the LM3909, a chip from 1975 that can flash an LED for a year from a single flashlight battery. This chip has some surprising features, such as a charge …

Smart Balcony Shade Using NFC

“These past few months I spent mostly at home, as everyone else, and decided to take on a project to improve my time there. I was spending a lot of time in our balcony and got really annoyed by lowering …

Synchronized 2-Axis Motion With Variable Speed (Arduino + LEDs + 28BYJ-48)

“This tutorial shows how to move two stepper motors so they will synchronously arrive at defined destination point. There are many sophisticated solutions for doing this such as GRBL or Marlin. Using an Arduino, there are also dedicated Multi Stepper …