# Hardware BOM ## Ordered - ESP32 2-Channel Relay Board ## Required - 4x DS18B20 Waterproof Sensors - Waveshare ESP32-S3-Touch-LCD-5 dashboard - Fused ACC switched 12V dashboard power - Bosch Relay Sockets - 30A/40A Bosch Relays - Automotive Fuse Block - Assorted ATC Fuses ## Future / Optional Fallback - Pi Zero for long-term logging and local integrations - GPS Module - ELM327 OBD-II Interface - CAN Interface - Additional DS18B20 Sensors