Key Features:

✅ OBD-II to CAN Bus Interface → Enables ESP32 to communicate with a vehicle’s CAN network
✅ CAN Transceiver: 65HVD230 → Ensures stable, high-speed CAN communication
✅ CAN Bus ESD Protection: NUP2105 → Protects against electrostatic discharge and voltage spikes
✅ OBD-II 16-Pin Male Connector → Direct plug-in for vehicle diagnostics and data logging
✅ Built-in DC-DC Converter → Converts 12V vehicle power to 5V for ESP32
✅ Battery Voltage Measurement → Uses a 1MΩ / 270KΩ voltage divider connected to GPIO32
✅ Programmable LEDs (GPIO26 & GPIO27) → Can indicate WiFi status, CAN activity, or user-defined functions
✅ Software Compatibility:

• SavvyCAN & ESP32RET firmware
• Arduino CAN libraries (Arduino TWI, etc.)
• ESP-IDF TWAI (Two-Wire Automotive Interface) driver