Browser data plotter (Web Serial + WebUSB) that auto-parses columnar serial output and plots it, plus espp::Telemetry: a binary telemetry emitter (dispatcher module over stream_frame) the web app plots over WebUSB.
Native USB host (ESP-IDF USB Host library + usb_host_hid): enumerate and talk to USB HID devices (mice, keyboards, gamepads, vendor HID) from an ESP32-S2/-S3/-P4
Send and receive infrared (IR) signals on ESP-IDF. Supports 130 consumer IR protocols, including full state/climate control for 60+ air conditioner brands. Ported from IRremoteESP8266.