MartinFowler

CH340N writer TTL, with ESP io0 download button

Overview

The CH340N chip has been verified and can be used with confidence! Added LED lamp beads. It will flash during communication. To download the ESP series module, you need to pull down io0. The module has 4*4 buttons placed on the side. WeChat screenshot_20211115214231.png WeChat screenshot_20211115213658.png

Design Files

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Update:2025-05-18 17:21:44

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