EnergyMe-Home is an open-source DIY home energy monitor using ESP32-S3 and ADE7953, offering 16-circuit tracking, FreeRTOS firmware, and REST/MQTT/Modbus IoT integration with waveform analysis.
A no_std Rust firmware replacing C/C++ for the Waveshare ESP32-S3 AMOLED smartwatch, achieving >99% CPU sleep with async event-driven design and custom peripheral drivers.
tinyCore offers a fully open hardware ESP32-S3 board designed for embedded systems education, with complete KiCad/Altium files, WiFi/BLE, IMU, and Arduino IDE support.