WebSocket / Socket.IO Server and Client for Arduino based on RFC6455. Now supporting Adafruit nRF52, STM32F/L/H/G/WB/MP1, Teensy, SAM DUE, SAMD21, SAMD51, Arduino SAMD21 (Nano 33 IoT), MKR1000 / MKR1010WiFi, RP2040-based boards using WiFi101, WiFiNINA, WiFi, Ethernet, WT32_ETH01, etc. so that those boards can be voice-controlled by Alexa. - View it on GitHub