embedded-react engine — a tiny C99 UI engine for MCUs you drive with JSX (Flow B AOT, or Flow A via the QuickJS bridge). Backend-agnostic: you provide the framebuffer flush.
TinyGPS++ — compact NMEA-0183 parser ported to ESP-IDF. No Arduino dependency. millis() is implemented via esp_timer_get_time(). Parses GGA and RMC sentences; exposes location, date, time, speed, course, altitude, satellite count, HDOP, and arbitrary custom terms.
SCADABLE platform integration for ESP32. Boots, loads the
device certificate from NVS, discovers the MQTT broker via
edge.scadable.com, connects over TLS, publishes heartbeats,
and handles OTA updates. Optional streaming file upload to
uploads.scadable.com (compile-time opt-in). Customer brings
their own network (Wi-Fi / Ethernet / cellular).
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.