Project link: 1.54-inch E-ink Electronic Keychain Einkey - Hardcore Creation Society (jlc.com)
Before using the programmer, you need to short PB22 and GND with a jumper cap, as shown in the image below:
The programmer usage is as follows:
The programmer's interface order corresponds one-to-one with the PCB. If the programming software selects automatic download after device connection, a download log should appear, as shown below:
If automatic download is not selected, you need to manually click the download button.
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