smallembedded

Ultra-mini low-cost ESP32 development board

Overview

Ultra-mini low-cost ESP32 development board

Function realization

Supports Zhongjingyuan's 0.96TFT, 1.14TFT, plug-in LCD screen.
Super mini size, a must-have high-speed communication module for competitions! Support ESP-NOW communication!
Available pinouts.
Ultra small size FLASH.
Ceramic antenna.
typec one-click download.

image display

If you have no idea about Mini, let me show you another picture!

The complete picture is shown below:

The picture below shows the open steel mesh after manual welding:

Welding Guide

It is strongly recommended to use Xiaogang net to assist welding. Hand welding is not recommended. The flash size can be changed according to your own requirements. The recommended flash model has been saved in the BOM table. The price of steel mesh is very cheap: Taobao currently costs 15 yuan per piece, which can contain multiple small PCBs. I can recommend a store by private message, but I won’t go into details here.

Testing Guide

After welding is completed, the recommended test code is as follows:

Project address: https://gitee.com/jszszzy/esp32.-free-rtos .

LVGL has been transplanted. You need to use CLEAN to clear the CAMKE build and then reconfigure it to achieve one-click compilation and download. If you don’t understand what I am talking about in the previous two sentences, it doesn’t matter. I have also written a guide:

Transplantation test guide: https://blog.csdn.net/qq_20540901/article/details/120627169 .

The migration can be completed by following the configuration in the guide.

Finally, the complete PCB, schematic diagram and BOM guide have been released. Welcome to FORK. If you have any questions, you can chat with me privately or message me via CSDN.

Note, please refer to the attached BOM guide!

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

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:2025-06-24 20:38:45

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