Maker Pi RP2040 Mobile Robot

Introduction

This is a custom DIY mobile robot based on Maker Pi RP2040. The sizes are 10cm (L) x 10cm (W) x 8cm (H). In this tutorial, it is divided into a few parts, and we will update accordingly.

Part 1 - Assemble

Hardware Preparation

This is the list of items used in the video.

• Maker Pi RP2040
• LiPo 3.7V 1300mAH
• Maker Line
• VL53L0X V2 Sensor
• micro:servo 360 (Continuous)
• Wheel for FS90R
• M3 PCB Stand (screw & nut)15mm
• Bolt M3 x 6mm

You can download the STL file here - Maker Pi RP2040 Mobile Robot STL.

Part 2 - Line Following

Sample Program

This is CircuitPython sample program for line following mobile robot. It has been tested with CircuitPython 7.0.0. Before that, please include the following additional libraries in your lib folder (CIRCUITPY drive):

• simpleio.mpy
• neopixel.mpy
• adafruit_motor
• adafruit_vl53l0x.mpy

You may download the CircuitPython Libraries Bundle 7 - here.

Part 3 - Obstacle Detection

Sample Program

This is CircuitPython sample program for line following mobile robot with obstacle detection. It has been tested with CircuitPython 7.0.0. Before that, please include the following additional libraries in your lib folder (CIRCUITPY drive):

• simpleio.mpy
• neopixel.mpy
• adafruit_motor
• adafruit_vl53l0x.mpy

You may download the CircuitPython Libraries Bundle 7 - here.

Thank You

Thanks for reading this tutorial. If you have any technical inquiries, please post at Cytron Technical Forum.

"Please be reminded, this tutorial is prepared for you to try and learn.
You are encouraged to improve the code for a better application."