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DIY robot concept

ESP32 robot parts list

An ESP32 robot BOM should use the ESP32 for control, telemetry and simple web UI while keeping motor power separate.

ESP32 is one of the best robot controllers for small projects because Wi-Fi makes debugging easy. You can expose a browser UI, log sensor values and tune behavior without extra hardware.

The main mistake is powering motors from the board. Keep motor power separate, use a buck converter for logic and connect grounds correctly.

Core parts

ESP32 dev board

$8

Control, web UI and telemetry

TB6612FNG or DRV8833

$6

Dual motor driver for small robots

ToF distance sensor

$8

Obstacle sensing

IMU module

$8

Heading and motion experiments

2S battery and 5V buck

$24

Stable power tree

Encoder gear motors

$20

Closed-loop motion

Design variants

Wi-Fi rover

Browser joystick and live telemetry.

Sensor platform

Add I2C sensors and log data over Wi-Fi.

Practical safety note

Treat the generated output as a prototype plan, not a certified product. Body-adjacent, high-voltage, optical-energy and mobility builds need qualified review before real-world use.

FAQ

Can ESP32 run motors directly?

No. Use a motor driver.

Is ESP32 better than Arduino?

For Wi-Fi robots, yes. For simplest lessons, either works.

Can it run camera vision?

ESP32-CAM can stream low-res video, but Raspberry Pi is better for serious vision.

Related robot guides

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