AVR based mini Projects

Understanding Fuse Bits in ATmega328P to Enhance Arduino Programming Efficiency In this tutorial, we are going to talk about fuses. Back when I was in college and learning about all the cool things in electronics, I heard the term fuse…

Automatic Water Barrel Filler A relative asked me if I could create something that automates refilling a water barrel used for watering a small garden greenhouse. They didn't want to plug in a pump…

Decoder / Electronic Quiz Game 2.0 Some time ago I presented the Electronic Quiz I made when I was a kid. It can be used to solve quiz sheets. The big drawback is, that each number is hard-wired to…

Network Rivalry: a Low-Latency Game for the BBC Micro:bit In this tutorial, I will explain how to implement a basic multiplayer game on the BBC micro:bit with the following features: A simple interfaceLow-latency between button presses and screen updatesA…

Firefly Pickle Jar With Microbit and Neopixels A motion sensitive firefly-filled pickle-jar that gets brighter when you move it, and then settles down to just twinkle a bit when its still. This project was inspired by a…

VFD Display for the TI83+ Calculator This project builds upon the PIC/TI83+ interface developed by ThomasHenry (see Nuts & Volts August 2013 – A Mathematics Engine for Microcontrollers). Acknowledgment, appreciation, and kudos to him for writing…

Always Know Where Home Is At Introduction: I built this project as a birthday present for my oldest daughter. She had recently moved far from home and I wanted her to know her family was still…

MicroPython PCF8591 DACtest I bought this book to improve my Micropython-skills: MicroPython for ESP8266 Development Workshop by Agus Kurniawan. This book is a very good start, the I2C project uses a PCF8591 module.…

AI With Grove Zero and Codecraft (Scratch 3.0) In this article we're going to build three projects utilizing AI functions of Codecraft, a graphical programming environment based on Scratch 3.0. Codecraft is developed and maintained by TinkerGen education…

Make Your Own Oscilloscope(Mini DSO) With STC MCU Easily This is a simple oscilloscope made with STC MCU. You can use this Mini DSO to observe waveform. Time Interval: 100us-500ms Voltage Range: 0-30V Draw Mode: Vector or Dots. Step…

BBQ Temperature & Meat Sensor on ESP8266 With Display In this Instructable I will show you how to make your own version of a BBQ tool that measures the current temperature in your barbecue and turns on a fan…

Upgrade DIY Mini DSO to a Real Oscilloscope With Awesome Features Last time I shared how to make a Mini DSO with MCU. To know how to built it step by step, please refer to my previous instructable: https://www.instructables.com/id/Make-Your-Own-Osc... Since many…

ESP32-CAM Video Surveillance Smart Camera Description This project is a development of our ESP32-CAM Video Surveillance Robot project. Eventually we got a video surveillance pan & tilt camera that can be controlled with an iPhone…

Interactive Minecraft Do Not Enter Sword/Sign (ESP32-CAM) There are really several reasons why this project came into existence: 1. As an author of cooperative multitasking library TaskScheduler I was always curious how to combine the benefits of cooperative multitasking…

Launch-Ready SSTV CubeSat Satellites are man-made instruments that collect information and data from space. Humans have pioneered space technology over the years and space technology is more accessible than ever. Earlier Satellites used…

Mini Oscilloscope This is an Instructable about a mini oscilloscope I made, it isn't anywhere near as capable as a real (digital) oscilloscope (such as my Rigol) but I think it is…

Make It So! Star Trek TNG Mini Engineering Computer Overview I grew up watching Star Trek: The Next Generation. I've always wanted to build a Star Trek themed device, so I finally got around to remixing one of my…

Dual Trace Oscilloscope When I build my previous mini oscilloscope I wanted to see how well I could make my smallest ARM microcontroller a STM32F030 (F030) perform, and it did a nice job.…

DIY Smart Doorbell: Code, Setup and HA Integration In this project, I will show you how you can transform your normal doorbell into a smart one without changing any of the current functionalities or cut any wires. I…

WiFi Enabled Matrix Lamp Who does not want to have stunning lamp which can display animations and sync with other lamps in the house? Right, nobody. That's why I made a custom RGB lamp.…

GPS Cap Data Logger Here is a great weekend project, if you are into trekking or taking long bike rides, and need a GPS data logger to keep track of all your treks/rides you…

How to Make IoT Based Home Automation With NodeMCU Sensors Control Relay In this IoT based project, I have made Home Automation with Blynk and NodeMCU control relay module with real-time feedback. In the Manual Mode, this relay module can be controlled…

Cat Repellent To start with, I do not hate cats but I love birds. In my garden we have some open cages where birds can enter and leave as they please. They…

BOXOI – an Open Source Miniature 3D Zoetrope DIY Kit Project Background: In 2015, I started a kickstarter project of a miniature 3D zoetrope DIY kit. The next year, I started the version 2 of said project by further simplifying the…

MQTT Swimming Pool Temperature Monitor This project is a companion to my other Home Automation projects Smart Data- Logging Geyser Controller and Multi-purpose-Room-Lighting and Appliance Controller . It is a pool side mounted monitor that measures the pool water…