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Parts list
We have made this robot this way because of the low budget we have got from our college. Feel free to use other parts but keep in mind the system is adjusted to these robots and specific parts.
In this robot we have created our own PCB. There must be various components on this PCB. These components can't be replaced by other components because the PCB is made specific for these components.
| Part | Link |
|---|---|
| ESP-WROOM32 | Insert link |
| MX1508 Motor Driver | Insert link |
| MCP1825S-3302E Voltage Regulator | Insert link |
| Resistors | Insert link |
| Capacitors | Insert link |
| *FTDI for ESP32 | Insert link |
*FTDI for ESP32
The FTDI is for uploading the code to the ESP-WROOM32 on the PCB. This needs to be done only once.
After that you can use Over The Air Update(OTA)
Extra parts
If you want to be sure that you will have a working robot at the end it is better to order extra parts for the PCB as spare. In case you make a short circuit or solder something wrong and burn the components on the PCB.
There are also components that don't need to be soldered directly to the PCB. But these components are also needed for the robot to function.
| Part | Link |
|---|---|
| LED-Ring 24 | Insert link |
| Motors 6V 200RPM | Insert link |
| Rubber rings | Insert link |
| 2S Lipo Battery | Insert link |
| Mini step down | Insert link |
| Roll of filament | Insert link |
*Roll of filament
You will need to make various 3D prints and maybe make some extra depending on your 3D printer so keep in mind that you will need some filament to create this robot.
Note
You could choose to use a motor with a higher RPM but we chose this RPM so that the robot is a bit more accurate and also the computer vision could keep it up with the refresh rate of 30 FPS.