
| Chip | ESP32-WAROVER |
| LCD | 3.5 inch capacitive touch screen ST7796 FT6X36 |
| USB TO TTL | CP2104 |
| Relay | HFD3 5V 2A |
| Relay connector | 5.08 |
| DC-DC input | 5-12V |
| DC Block Specifications | 5.5X2.1 |
| TYPE-C input | 5V |
| USB output | 5V 1A |
| Battery interface | H2.0 3.7V lithium battery |
| Battery switch | Toggle Switches |
| Button | RST button, custom button |
| RTC | PCF8563 |
| Extension pin | 2.54 2X20 |
| Double-layer USB expansion port | Output 5V 1A |
| Double-layer USB interface | They are I2C/UART functions |








