KiCad PCB Design Guidance
Table
| Designator | Component Name | Description |
|---|---|---|
| U1 | TP4056 Module | Lithium battery charging module connected to the 18650 battery. |
| U2 | Boost Converter | Set to provide dual outputs (5V for ESP32 and 12V for 1W IR LED). |
| SW1 | Power Switch | Controls the ON/OFF for the entire system. |
| U3 | ESP32-WROOM-32 | Provides processing and control, powered from 5V output. |