Arduino Compatibles
ADAFRUIT FLORA ADAFRUIT GEMMA ADAFRUIT METRO GRAND CENTRAL LEARN ARDUINO TRINKET
Impress your Valentine with an infinity of lights (and yummy chocolate)!
Infinity Mirror Valentine's Candy Box
7
Beginner
If you're tired of MakeCode, you can go to the other extreme and use assembly language for a 40 year old 8-bit CPU to program your Grand Central.
A Z80 CP/M emulator for the SAMD51
1
Intermediate
Control a software synth with 16 analog MIDI CC knobs at your fingertips!
Grand Central USB MIDI Controller in CircuitPython
9
Beginner
Program or Re-Program a SAMD Bootloader
How to Program SAMD Bootloaders
6
Intermediate
With a few parts, you can make a super soundboard with the Adafruit Grand Central
Grand Central Soundboard in Ten Minutes
2
Beginner
This dev board is so big, it's not named after a Metro train, it's a whole freakin' station!
Introducing the Adafruit Grand Central M4 Express
13
Beginner
Create a delicate ring of Nano NeoPixels encased in resin.
NeoPixel NanoRing
8
Intermediate
Add Animated Lights to your Costume Headpiece
NeoPixel Fairy Crown
4
Beginner
Two trim pots and a microdisplay!
CircuitPython OLED and Dual Knob Sketcher
6
Beginner
Design a synth for NeoTrellis M4 using the Audio System Design Tool and you'll be playing ripping synth leads, fat bass lines, and lush pads of your own design!
Trellis M4 Synth Design Tool
4
Intermediate
MIDI goes wireless & around the world
What is Web MIDI & BLE MIDI?
5
Intermediate
A gentle guide for choosing a controller for your project
How to Choose a Microcontroller
16
Beginner
A MakeCode editor for breadboard friendly boards
MakeCode Maker
2
Beginner
Learn to use CircuitPython if you've previously used Arduino
Arduino to CircuitPython
25
Beginner
Beautiful jewelry that changes color with your touch
Gemma Color Touch Pendant Necklace
24
Intermediate
This is Hallowing..this is Hallowing... Hallowing! Hallowing!
Adafruit Hallowing
38
Beginner
Make your own neon-style signs with LED "neon" strips. Animate the sign with a Metro M0
Neon LED Signs
10
Intermediate
This Feather is fast like a swift, smart like an owl, strong like a ox-bird
Adafruit Feather M4 Express
27
Beginner
Choo choo! ItsyBitsy M4 Comin' Thru!
Introducing Adafruit ItsyBitsy M4
18
Beginner
Inside the ATMega328: a guided tour of a classic Microcontroller
Digital Circuits 7: MCUs... how do they work?
7
Intermediate
What's smaller than a Feather but larger than a Trinket? It's an ItsyBitsy!
Introducing ItsyBitsy M0 Express
9
Beginner
Un-Constricted CircuitPython Debugging in a Windows Environment!
Debugging CircuitPython On SAMD w/Atmel Studio 7
8
Intermediate
Keep an "eye" on things that are best stored at a specific temperature and/or relative humidity.
Storage humidity and temperature monitor
7
Beginner
In this guide, we design and build a ROM emulator
Digital Circuits 6: An EPROM Emulator
6
Intermediate