红水杯

The world's smallest USB to TTL module

Overview

The world's smallest USB to TTL module is selected, no external crystal oscillator is required, CH340C. In order to be expandable to an automatic burning module, the EN series chip PCB size is only 2.3CM long and 1CM wide. The chip width cannot be smaller. It can be burned for 51 Arduino and other microcontrollers. recording program

Design Files

BOM download

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Update:2025-05-08 12:40:26

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