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Low-cost daplink

Overview

The hardware and firmware were modified based on the legendary programmer's work
, with changes to the PCB shape and layout. The pin order was changed to the common DAPLINK order, making it ready to use immediately. It has been verified and is of high quality.
When using it, first short the two solder pads (solder is optional). Use the official WCH flashing tool to flash the firmware. After the first firmware flash, the chip will enter a protected state. To flash again, you need to click to unlock the chip.

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:2026-03-25 21:57:13

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