20x4 LCD

This is a basic 20 character by 4 line display. Utilizes the extremely common HD44780 parallel interface chipset (datasheet). Interface code is freely available. You will need ~11 general I/O pins to interface to this LCD screen. Includes LED backlight.

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Big Arduino LCD Clock With Two Alarms and Temperature Monitor Controlled by IR TV Remote

“How to build an Arduino based LCD Clock with Two alarms and temperature monitor controlled by IR TV remote. This is an LCD clock made with DS3231 real time clock module, which unlike DS1307 has the possibility of Alarm and …

Sound Meter - Arduino

“In this Instructable I’ll show how to make a Sound Meter using an Arduino and some more components. This is a school project I did recently which took me a year to complete, it is based on the construction …

cVert - A truly random MIDI controller

“cVert is the result of an idea I’ve been kicking around for years, and took a few months of work to bring to fruition. The idea was to use a Geiger counter as a true random number generator to …

Project  Index PnP

Index PnP

“The Index Pick and Place is an open source pick and place machine to aid in Mid-Scale Manufacturing. This project is under development. It is not currently in a stable state. Development is active and ongoing, but this is not …

RC Submarine

“How to make a radio-controlled submarine with a video camera Everyone can build a submarine. To assemble this design from a tool, only a screwdriver and a hot glue gun were required. The design consists of several modules: module with …

Arduino Barometer

“Using an Arduino UNO and Nano to display Air Pressure on an analogue display using 3 stepper motors Air Pressure in hPa (Hectopascal) is displayed on the large main dial and is updated every 10 minutes. There are 2 secondary …

Coin sorting and counting machine

“Coin sorting machine based on Arduino Mega which is sorting and counting EURO coins. Originally the project was born after my son builded a coin sorting machine for his school project. We thought it would be cool to count the …

Arduino Pwm Solar Charge Controller ( V 2.02)

“If you are planning to install an off-grid solar system with a battery bank, youll need a Solar Charge Controller. It is a device that is placed between the Solar Panel and the Battery Bank to control the amount of …

Do It Yourself Digital Read Out

“Make your own custom DRO that measures distance for lathes, milling machines, wood working tools, cut off saws and other purposes. I decided to build an inexpensive rugged custom Digital Read Out for myself and for other hobbyist. My DRO …

ATmega Alien Themed Slot Machine

“This is a three-reeled slot machine with 25 symbols on each reel. The game is configurable. This project is my implementation of an alien themed slot machine using two ATmega328P-PU micro-controllers. I was inspired by Cory Potter’s Alien …