Lab

The Workbench

Hardware experiments, embedded projects, and IoT explorations.

ESPHome Custom Climate Sensor

Building a custom ESPHome component for a climate sensor that integrates seamlessly with Home Assistant. Custom C++ component with auto-discovery.

ESPHomeHome AssistantC++IoTClimate

ESP32 Real-Time Dashboard with WebSocket

Building a real-time sensor dashboard using ESP32 WebSocket server. Live charts in the browser with zero polling — instant updates from sensor to screen.

ESP32WebSocketIoTJavaScriptDashboard

CH32V003 ADXL345 Accelerometer Integration

Interfacing a 3-axis accelerometer with the cheapest RISC-V microcontroller. Bare-metal I2C driver and motion detection on a $0.10 chip.

CH32V003RISC-VI2CAccelerometerEmbedded