AVR based mini Projects

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…

Clock Generator With Si5351 and Blue Pill Clock generator I recently build a pulse generator and it does its job well. It produces pulses of variable length and at several frequencies. But the number of frequencies it…

A Bluetooth ESP32 TFT + Touch Macro Keypad) Controlling your computer by using hotkeys and macros is a great way of speeding up your workflow. Unfortunately a device dedicated to doing that (for example Elgato's Stream Deck) will…

Hands-Free Cardboard Gumball Machine We made a Touch-Free Gumball Machine Using a micro:bit, a Crazy Circuits Bit Board, a distance sensor, a servo, and cardboard. Making it and using it was a "BLAST"! ????…

MIDI Handpan With 19 Tonefields on Upper and Down Side… Introduction This is a tutorial of my custom made MIDI handpan with 19 volume sensitive tonefields, Plug'n Play USB capability, and a lot of easy to use parameters for adjusting…

Wakeup Light As I write this instructable it is mid winter on the Northern hemisphere and that means short days and long nights. I am used to getting up at 06:00 and…

Energy Saving Switch With Presence Sensor Do you face such situations when you leave your reading lights, table fans or soldering irons without switching them off and later realize that they were on for too many…

Linkit One Audio Messenger Have you ever met to this problem that urgently you have to go somewhere and you are try to call your wife or children to tell them about the problem…

RC Controlled Rgb Led Strip Create your own rc controlled led-strip for individual room illumination! Most rgb-led-strips are controlled by an infrared remote control. To turn it off or on or change the color, you…

Linkit One BT – Mobile As PC Joystick Playing Games in PC is always fun. Play with joy stick with out key board is some more fun. No joy stick still no problem u play with your Android…