Internal Fusee Launcher for the Adafruit Trinket M0

USB Host Co-processor

MIDI DIN to MIDI USB Host Converter

Raspberry Pi impersonates Nintendo Switch controller

Some tips and tricks for CircuitPython, using a QT Py board

DIY MIDI UART DIN USB converter

USB MIDI Pedal, powered by CircuitPython + Trinket M0

USB Gadget emulating a PlayStation Dual Shock 4 compatible gamepad

DIY MIDI button controller from QWERTY USB keyboard

Building an embedded Rust application on top of the ASF4 C vendor library

Portable MIDI dsp-G1 Synth

USB host MIDI for Two

Nintendo Switch Gamepad Gadget

An LED lightsaber with sound effects that reacts to motion

This implements an i2c slave with a register map of 256 bytes in sram. The slave supports multi-byte writes and reads. It uses the "Wire" library.

Bare Metal C Programming on the Adafruit Trinket M0 (Cortex M0+)

Mini Untztrument Demo, Arduino Style

Experiments into MIDI using the Adafruit M0 Trinket

This arduino code for SAMD21 will record a gpio's high and low duration for multiple pulses.

SAMD21 32bit Timer