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31 GUIDES | 186 PAGES | 4 FEATURED | 1 POPULAR

NEW GUIDE

Piezo Ring Tones with Raspberry Pi

Play ringtones with a piezo buzzer on Raspberry Pi.

The Raspberry Pi's GPIO pins are used to play RTTTL sequences on a piezo buzzer. It is Web enabled and Java-powered. The Web app has built in RTTTL tones, as well as input controls for playing user provided RTTTL tones.

ROBERTO MARQUEZ

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NEW GUIDE

XBee Radios

Simple wireless communication

XBee modems are one of the easiest ways to create a wireless point-to-point or mesh network. They have error correction, are configured with AT commands, come in multiple flavors and can create a wireless serial link out of the box! I wanted to make a wireless Arduino project but all the adapter boards on the market made me unhappy. So I designed what I think is an excellent low-cost adapter board.

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Stereo 3.7W Class D Audio Amplifier

These go to eleven!

Add some big sound to your next project. Boost he output of your Wave Shield or build yourself a portable sound system for your iPod or mp3 player.

Ringly Teardown

Inside the Bluetooth notification ring

Wear your notifications on your fingers and learn what makes this smart cocktail ring tick!

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Wires and Connections

How to choose your next projects connections

Thousands of different wire types and hundreds of different connectors to terminate the ends. Here we discuss the more popular types you might use in your projects.

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Adafruit DRV2605 Haptic Controller Breakout

BzzzzzBBzzzzzBzZZZzz

The DRV2605 is a tiny motor controller that is specifically designed for vibration-disc and other haptic feedback motors. Using I2C you can string multiple built-in vibration effects for high quality tactile feedback.

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Han Solo Blaster Cosplay

Complete your Star Wars Outfit

Han's outfit is an easy one to assemble. Just one accessory makes the outfit, the trusty blaster. An easy-to-buy toy model is fairly accurate design-wise but could use some simple improvements.

POPULAR

PiPhone - A Raspberry Pi based Cellphone

Why have a cellphone that everyone else has, when you can build your own?

This project takes you through building a functional cellphone using off-the-shelf parts,

Using NeoPixels and Servos Together

An introduction to AVR peripherals.

Conventional wisdom holds that you can't use NeoPixels and servos together in the same Arduino sketch. Learning to directly control the AVR microcontroller's hardware peripherals (or just using our ready-made library) makes this combination possible…with some catches.

PHILLIP BURGESS

Trinket “Question Block” Sound Jewelry

Jump around, jump up and get down!

“Ba-DING!” The classic 8-bit chime from our favorite retro video game finally makes a triumphant comeback in jewelry form. It’s so tiny and adorable you're probably wondering, “How much?” This is custom…you can only make it, not buy it!

PHILLIP BURGESS

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Adafruit FT232H Breakout

Add a serial protocol 'swiss army knife' to your computer and talk directly to devices with SPI, I2C, serial UART, GPIO's, and more!

Using the FTDI FT232H chip this breakout provides a USB to serial UART with a special 'Multi-Protocol Synchronous Serial Engine' (MPSSE) that can talk many serial protocols such as SPI, I2C, serial UART, JTAG, and more!

MASLOW: an Open WiFi Detector with Adafruit Pro Trinket and CC3000

Mini Adafruit System Locates Open Wireless

Traveling or on the road, sometimes finding an open network to get online and finish a job is more important than lunch or a nap. MASLOW (Mini Adafruit System Locates Open Wireless) is a tiny battery-powered WiFi detector with a 3D-printed enclosure…assemble one yourself and clip it to your laptop bag.

PHILLIP BURGESS

LED Eye Prosthetic

Simple Cyborg Eyewear

This is a very simple project you can use to help make cyborg, demon, alien, or any other glowing eyes for your costuming needs. This will require some patience and a steady hand, and a couple of hours time.

Animated Scrolling "Mario Clouds" TFT Jewelry

The peaceful background of your favorite game, now for you to wear

It's 8-bit retro Mario Clouds! It's so tiny and cute, you can wear it! In this project, we're making Cory Arcangel-inspired Super Mario jewelry using 3D printing and DIY electronics.

PHILLIP BURGESS

Animated Flying Toaster OLED Jewelry

It's like a screen saver for your heart <3

The flying toaster screen saver from After Dark makes great inspiration for a retro project using 3d printing, and DIY electronics. In this project we'll show you how to make very cute and adorable electronic jewlery.

PHILLIP BURGESS

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Audio FX Remote Control

Press a button, make a sound OVER THERE.

The Adafruit Audio FX Sound Board makes custom audio projects as easy as they can be! This project shows how to add a wireless remote control. Great for Halloween pranks, cosplay outfits and other shenanigans, or maybe you want to design the whoopee cushion of the future.

PHILLIP BURGESS

Costume Triggers & Actuators

Interactive Halloween

Tips for triggering actions in costumes

Wireless Power Switch with Arduino & the CC3000 WiFi Chip

Build a WiFi power switch to control your home appliances!

In this project, you will learn how to build an open-source version of a WiFi-controller power switch. You will be able to plug a lamp or any 110v/230v device to your project and control it wirelessly from a central interface.

Let’s Put LEDs in Things!

Intro to electronics for cosplayers, no prior experience required

For adding flair to a costume or prop, nothing offers more bang-for-buck than LEDs! Getting started is easy, and opens doors to more advanced projects.

PHILLIP BURGESS

LED Tricks: Gamma Correction

RGB colors off? It’s not your LEDs or code…it’s biology!

A fluke of human perception makes LEDs appear brighter than you’d expect, skewing RGB color mixes. Here’s a software trick to work around this and get the colors you want.

PHILLIP BURGESS

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3D Printed Wearable Video Goggles

Build wearable DIY VR Goggles!

Make your own open source personal display!

Adafruit SPI FRAM Breakout

Fast, non-volatile memory - its framtastic!

You're probably familiar with SRAM, DRAM, EEPROM and Flash but what about FRAM? FRAM is 'ferroelectric' RAM, which has some very interesting and useful properties. Unlike SRAM, FRAM does not lose the data when power is lost. In that sense it's a durable storage memory chip like Flash. However, it is much faster than Flash - and you don't have to deal with writing or erasing pages.

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Adafruit Motor Selection Guide

Choose the right motor (and controller) for the job!

There are many types of motors. Big ones, small ones, fast ones, strong ones. Whether you need brute strength, blinding speed or delicate precision movement, there is a motor designed for the task. This guide will help you find to the right motor for your project.

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FEATURED

All About Stepper Motors

The Adafruit guide to choosing and using stepper motors.

Stepper motors are the motor of choice for many precision motion control applications. Stepper motors come in many different sizes and styles and electrical characteristics. This guide details what you need to know to pick the right motor for the job.

A REST API for Arduino & the CC3000 WiFi Chip

Stop reinventing the wheel and control your Arduino board using RESTful calls!

Representational state transfer (REST) is a software architecture that is widely used for web applications. In this project, we'll bring this architecture to Arduino so you can control an Arduino board via WiFi using a standard communication scheme. This way, you won't have to start from scratch at every new project and you'll be able to create complex wireless applications!

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