Adafruit Feather ESP32 S3

Overview

The Adafruit Feather ESP32-S3 is a powerful and compact Wi-Fi microcontroller with USB-C support. The JunctionRelay demo firmware configures the Feather to work with the following:

I2C Devices

• Rotary Encoder via MQTT
• Quad Alphanumeric Display
• LED Charlieplexed Matrix - 9x16

Connection Modes

• WiFi
• Ethernet
• USB Direct
• ESPNOW
• Gateway WiFi
• Gateway Ethernet
• Gateway USB

Protocols

• HTTP
• MQTT
• WebSocket
• ESP:NOW

Example Uses

• Real-time sensor readout from JunctionRelay server (running on host device or on network)
• Battery-powered wireless display