USB host library 2.0 for Zero/M0/SAMD

WebSockets for microcontrollers

MIDI DIN to MIDI USB Host Converter

Convert USB keyboard, mouse, MIDI to Bluetooth

Horus Binary v2 HAB Tracker

Enables WiFiNINA network connection (local and Internet) for SAM DUE, SAMD21, SAMD51, Teensy, AVR Mega, STM32, RP2040-based boards, etc. in addition to Arduino MKR WiFi 1010, Arduino MKR VIDOR 4000, Arduino UNO WiFi Rev.2 , Nano 33 IoT, Nano_RP2040_Connect. Now with fix of severe limitation to permit sending much larger data than total 4K

Light-Weight WiFi/Credentials Manager for AVR Mega, Teensy, SAM DUE, SAMD, STM32, etc. boards running U-Blox WiFiNINA modules/shields. Powerful-yet-simple-to-use feature to enable adding dynamic custom parameters. Now using WiFiMulti_Generic library

This library enables you to use Interrupt from Hardware Timers on an SAMD-based board. These SAMD Hardware Timers, using Interrupt, still work even if other functions are blocking. Moreover, they are much more precise (certainly depending on clock frequency accuracy) than other software timers using millis() or micros(). That's mandatory if you …

The FlashStorage_SAMD library provides a convenient way to store and retrieve user's data using the non-volatile flash memory

Simple way to control your IOT development boards like ESP8226, ESP32, Arduino SAMD21, Adafruit SAMD21, SAMD51, nRF52, STM32, Teensy, SAM DUE with Amazon Alexa or Google Home

Fast-PWM library for SAMD21-based Arduinos.

an awesome controller for musicmachines

Convert USB keyboard to Bluetooth LE

WizFi360/ESP8266/ESP32 wrapper library for Arduino providing an easy-to-use way to manipulate ESP8266/ESP32-AT shields.

DIY MIDI button controller from QWERTY USB keyboard

Enables GSM/GRPS network connection using the GSM/GPRS modules. Use this library to make/receive voice calls, to send and receive SMS using Generic GSM/GPRS modules, such as u-blox SARA-U201 module.This library also allows you to connect to internet through the GPRS networks. You can either use Web Clients and Servers.

Allow a modern USB keyboard to be used with a Commodore 128 in place of the original keyboard.

Simple audio player library for SAMD21G-based Arduinos. Sends an array of samples to the DAC on A0, with optional extrapolation aka oversampling. Intended for playing short sound bites without the need for an external audio player.

Kit CatSat Zero