Once the progress bar completes, click to create a backup file ( .bin or .hex ). It is recommended to read the chip twice and compare the files to ensure data integrity. 3. Erasing and Programming Click Open to select your new firmware file.

Click . If properly connected, a window will pop up with the identified chip.

: Allows users to view and modify binary data directly before flashing (e.g., editing MAC addresses in router firmware).

: Download and run SETUP.EXE from the official WCH driver package to ensure Windows recognizes the USB device.

Click (or the "Write" icon). In NeoProgrammer, you can often use a "Combined" action that automates Erase -> Write -> Verify in one sequence.

: For SPI (25-series) chips, the software can automatically read the JEDEC ID/signature and identify the correct chip profile.

: The software will compare the data written to the chip against the source file. A "Verification Successful" message is critical for confirming the flash worked. Supported Chips & Hardware Variations

21019 Ch341a - Neoprogrammer

Click . If properly connected, a window will pop up with the identified chip. neoprogrammer 21019 ch341a

: Allows users to view and modify binary data directly before flashing (e.g., editing MAC addresses in router firmware). Once the progress bar completes, click to create

: Download and run SETUP.EXE from the official WCH driver package to ensure Windows recognizes the USB device. Erasing and Programming Click Open to select your

Click (or the "Write" icon). In NeoProgrammer, you can often use a "Combined" action that automates Erase -> Write -> Verify in one sequence.

: For SPI (25-series) chips, the software can automatically read the JEDEC ID/signature and identify the correct chip profile.