This compact, remote-controllable robot car features a lightweight 3D-printed chassis, making it both durable and customizable. Powered by a 9V battery and driven by an ESP32 development board, the car supports wireless control via Wi-Fi. Perfect for hobbyists and educational projects, it combines mobility, smart control, and DIY engineering in one sleek package.
| Filename | Thumbnail | Required # | Note |
|---|---|---|---|
| chassis |  |
1 | 8 x [6mm (diameter) x 2mm (thickness)] magnets |
| motor_cover |  |
2 | |
| pcb_holder |  |
1 | |
| top_cover |  |
1 | 4 x [6mm (diameter) x 2mm (thickness)] magnets |
| battery_cover |  |
1 | 4 x [6mm (diameter) x 2mm (thickness)] magnets |
| fill_block |  |
0 or 2 | Same numbers as slave wheels |
| wheel_master |  |
4 or 2 | 4-wheel drive or 2-wheel drive |
| wheel_slave |  |
0 or 2 | 4-wheel drive or 2-wheel drive |
| tire |  |
4 | Print with TPU, compatible with Lego 56891 Tire 37 x 18R |
| wheel_master_belt |  |
2 | |
| wheel_slave_belt |  |
2 | |
| belt |  |
2 | Print with TPU |
| connector_front |  |
1 | |
| connector_trailer |  |
1 |
- Install
esp32in Arduino IDE's Boards Manager. - Select
ESP32 Dev Modulefor the board.