✈️ Multi-functional, compatible DIY general aviation proximity awareness system

Async Google Sheet REST client library for Arduino devices.

Third-party Arduino Library for Heltec E-Ink displays and "Wireless Paper" boards

grblHAL for Atmel SAMD21 (MKRZERO)

A fully fledged lock-in amplifier running at 25 kHz sampling rate @ 12-bit on an Adafruit M4 microprocessor board with an extensive Python graphical user interface showing real-time signals, interactive filter design and real-time power spectra.

µCNC - Universal CNC firmware for microcontrollers

Arduino IDE board definitions for ReWire circuit boards

SAMD21 Hardware Abstraction Layer

LMIC-node | One example to rule them all. LMIC-node is an example LoRaWAN application for a node that can be used with The Things Network. It demonstrates how to send uplink messages, how to receive downlink messages, how to implement a downlink command and it provides useful status information. With LMIC-node it is easy to get a working node qu…

The comprehensive Arduino Email Client Library to send and read Email for Arduino devices. The library also supports other network shields or modules e.g., Wi-Fi, Ethernet, and GSM/4G modules.

1kByte USB DFU Bootloader for SAMD11 / SAMD21

USB Mass Storage bootloader (based on UF2) for SAMD21 and SAMD51

SAMD21 Openthings library

Combine a SAMD21 and a INA260 to create a USBTMC instrument

Yksinkertainen paljaan raudan SAMD21-ohjelmointitesti (Raspi+openOCD)

Low Power Optimization of the SAM D21 MCU using the Arduino Framework

Firmware for Atmel SAM D21 Pro with Zephyr and platformio

Rudimentary setup and main loop code for blinking LEDs on a SAMD21

Camelforth in C by Dr. Bradford Rodriguez - for Arduino M0 Pro 2017-ish - SAMD21G18A MCU

This library gives an example of how to get FreeRTOS running on Seeed production. The project can be used as a template to build your projects off of as well.