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Mini wireless ranging TOF based on EPS32-PICO-D4

Overview

Project Description:
This is a simple and mini ranging module using a fully integrated chip like the EPS32-PICO-D4. It utilizes a small sensor available on Taobao to create a cute and compact ranging module.

The module is

a generic installation guide for ranging modules available on Taobao, priced around ten yuan. They are typically VL53LXX series and use the I2C protocol. Users can modify the layout for their own ranging modules.
I used the VL53L0X,

and there are many other different sensors available, generally with distances between 50 and 5000mm.

Software Description:
The ESP32 uses an Arduino, which is very convenient for such a simple requirement.
For Android, I initially planned to use the familiar Flutter, but the Bluetooth library wasn't ideal, so I opted for native development, which I'm not yet very familiar with.

Design Files

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2026-03-26 15:19:07

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