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PROJECT
282

IoT Battery Monitor

By Adafruit Industries

Build an internet connected battery charger and monitor with Feather ESP32-S2 Reverse TFT, CircuitPython, and Adafruit IO.

PROJECT
75

CLUE Metal Detector in CircuitPython

By Adafruit Industries

Metal detecting with a CLUE or Circuit Playground Bluefruit in CircuitPython.

PROJECT
92

CircuitPython BLE Heart Rate Zone Trainer Display

By Adafruit Industries

Display your heart rate and training zone percentage on LED displays with CircuitPython on Feather nRF52840.

PROJECT
43

PyLeap App

By Adafruit Industries

Send files and libraries directly to your PyLeap compatible device without a desktop computer!

PROJECT
162

Walkmp3rson Personal MP3 'Tape' Player

By Adafruit Industries

Play SD card music mix 'tapes' on this stylish walkabout player.

BLOG
5,634

Looking to Cut the Cord? Power Your Arduino Project with a Lithium Battery

By Maker.io Staff

Learn what it takes to make your Arduino project mobile, or just add a battery backup, using a lithium battery as a portable, energy-dense power source.

PROJECT
66

DIY Wireless DDR Dance Pad with Bluefruit EZ-Key

By Adafruit Industries

This tutorial generally explains how to go about building a wireless game pad on the cheap to avoid buy expensive adapters or pads. No programing required!

PROJECT
148

How to Make Animated Graphics for Hologram Displays

By Adafruit Industries

Strap a PyPortal to a continuous rotation servo and watch in awe. With a few edits and some formatting, you'll have floating animations in no time.

PROJECT
23

Monitor your Environmental Sensors from the Cloud Using a Feather or PI

By Adafruit Industries

This tutorial will cover monitoring your environmental sensors from the Cloud using a Feather or Raspberry Pi.

PROJECT
21

Sparkle Skirt Playground

By Adafruit Industries

This skirt uses the amazing Circuit Playground board and stranded neopixels to create a versatile garment with loads of features.

PROJECT
18

Adafruit IO Basics Digital Input

By Adafruit Industries

This guide will show you how to send momentary button press data to Adafruit IO.

PROJECT
52

Circuit Playground & Fiber Optics

By Adafruit Industries

This guide covers the onboard neopixels and add fiber optics or light pipe to make your project dance and shine.