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AsProgrammer software download: official GitHub links, dregmod fork, CH341A, CH347 support

User question

Where to download asprogrammer software from

Artificial Intelligence Response

Direct answer to the question

Key points
• Use GitHub releases to ensure file integrity and change-log visibility.
• Verify SHA256/PGP checksums when provided.
• Install the correct driver for your programmer (e.g. CH341A, CH347, USBasp) before launching AsProgrammer.
• Avoid random file-sharing sites; many contain outdated or infected executables.

Detailed problem analysis

  1. Project genealogy

    • AsProgrammer was started by Alexey Bychkov (“nofeletru”) to provide an open-source GUI for 24-series EEPROM, 25-series SPI flash, Microwire, etc.
    • In 2020 → 2024 several forks appeared; the best known is “dregmod”, adding CH347 support, Bus Pirate helpers, autodetect lists >7 000 devices, dark theme, and bug fixes.
  2. Repository layout
    Repository
    Purpose Latest stable tag (May 2024) Typical asset
    github.com/nofeletru/UsbAsp-flash Upstream/original v2.1.0 (2023-12-31) AsProgrammer_2.1.0.zip (~4 MB)
    github.com/therealdreg/asprogrammer-dregmod Extended fork v3.15 (2024-05-08) AsProgrammer-dregmod-3.15.7z
  3. What the release contains
    /AsProgrammer.exe – main GUI
    /drivers/ … – optional signed driver INF for CH341A/CH347
    /IC/ … – XML databases for device IDs
    Portable: unzip, double-click, no registry entries created.

  4. Dependencies
    Windows 7 → 11 (x64 & x86). Requires WinUSB/libusb-k driver for CH341A.
    .NET not required; compiled with Delphi/Lazarus – works on clean systems.

  5. Hash verification process (example):

    certutil -hashfile AsProgrammer_2.1.0.zip SHA256

    Compare with hash posted in the GitHub “Checksums” note.

Current information and trends

• Developers gradually move toward CH347 because it supports 1.8 V logic and higher SPI clock. “dregmod” already enables 24 MHz clocks on CH347T.
• Work is ongoing to port the GUI to Lazarus-Qt for native Linux builds; nightlies are occasionally attached under “Pre-release”.
• A pull request (Q2 2024) adds GD25Q512 and W25N02KV NAND SPI detection.

Supporting explanations and details

Example workflow (CH341A black edition, 25-series flash):

  1. Plug programmer, run Zadig, replace factory driver with WinUSB.
  2. Launch AsProgrammer.exe → Hardware → CH341A (or CH341A SPI).
  3. Select IC: Winbond → W25Q64JV.
  4. Erase → Program → Verify.

Analogy: Think of AsProgrammer as “AVRDUDE + GUI + chip database” but aimed at SPI/I²C EEPROM rather than AVRs.

Ethical and legal aspects

• Firmware images may be copyrighted; ensure you have legal right to read/program them.
• Redistribution of patched BIOS binaries may violate vendor EULAs.
• Use signed drivers where possible to avoid disabling Windows driver-signature enforcement.

Practical guidelines

Best practices

  • Always make a full chip backup before writing.
  • Use an external 1.8 V adapter for low-voltage parts; feeding 3.3 V to a 1.8 V flash can destroy it.
  • Keep clip leads ≤15 cm; long wiring introduces capacitance that corrupts fast SPI transfers.
Common pitfalls & fixes
Problem
Fix
“Device open error” Driver not loaded → reinstall via Zadig.
Reads random FF/00 pattern Wrong voltage or mis-aligned SOIC-8 clip.
“ID = FFFF” Set lower SPI clock (CTRL+F2 → 1 MHz).

Possible disclaimers or additional notes

• Pre-compiled binaries on blogs (KhanDishNetwork, satelitindonesia, etc.) are usually just mirrors of the GitHub build; use only if GitHub is blocked.
• Some anti-virus packages flag Delphi-generated EXEs; these are false positives but verify hashes to be safe.

Suggestions for further research

• Track issue #560 in dregmod for forthcoming Linux/Mac cross-builds.
• Evaluate alternative tools (Flashrom, NeoProgrammer) for unsupported NAND devices.
• Follow EEVblog thread “CH341A Programmer Software Alternatives” for real-time field reports.

Brief summary

Download AsProgrammer from its GitHub releases pages (original or dregmod fork), verify checksums, install the correct USB-to-SPI/I²C driver, and run the portable executable. Avoid ad-hoc mirror sites unless GitHub is inaccessible, and always back up the target flash before programming.

Disclaimer: The responses provided by artificial intelligence (language model) may be inaccurate and misleading. Elektroda is not responsible for the accuracy, reliability, or completeness of the presented information. All responses should be verified by the user.