A solid-state, low-cost, reliable solution for solar hot water from PV. Zero maintenance & CO2, connected, smart combi pre-heat control.

For use in DIY homebrew radio equipment such superheterodyne single/double conversion receiver, SDR, HAM QRP transceivers or RF generator.

Make FM Radio full function by RDA5807M and arduino nano. Control by touch button

DIY Arduino air quality monitor which can measure surrounding air quality also shows temperature and humidity in your room.

An affordable and automatic system letting athletes time themselves or their peers quickly and easily.

A small noise/drone synth with percussion mode. Made using the Mozzi library and two Arduino Nanos.

An Android Things-powered clock that allows the user to actually READ the time! Control it via Nearby API or through voice commands.

This project uses a micro SD card to store a text file and print it out to a 16x2 liquid crystal display.

How to control water temperature using arduino and water heater element like PID controller

This system can do a number of things for your rocket!

This project is for making a 32-band audio (music) frequency spectrum analyzer / visualizer using Arduino.

Pulse induction Metal Detector. It can detect a metal coin at a distance of 15 cm and a larger metal object at a distance of 40 cm and more.

A joystick/gesture maze ball game with wireless control.

A stable instrument with display, LED and buzzer to feel the Magnetic Field live.

An Android-control(BT) system is added in a motor toy boat and it can go any direction slowly.

Sending data over Laser from one Arduino to another using a keypad and an LCD(100b/second)

Cranial electro stimulation uses harmonic frequencies to help balance the brain's chemistry.

Easy to build, but comparable with professional seismometers, homemade Arduino seismometer.

How avoid a freezer disaster while I am away.

Hello Guys Whats up, In this instructable, i'll show you How to Make DIY Smartphones Controlled Self Balancing Robot. It's very interesting

Portable range/distance detection device using an Arduino, ultrasonic sensor, and buzzer.

A simple to build, but very sensitive electromagnetic field detector.

Inexpensive to build but a very useful tool for every electronics laboratory.

Made a Tiny 8x8 Matrix by using WS2812 2020 package LED.