Logic Shrimp firmware upgrades

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Easy Logic Shrimp firmware updates over USB are possible using the Diolan USB HID bootloader. Multi-platform update utilities are included in each firmware release.


Pin locations



  1. Unzip the firmware update archive to a folder
  2. Short the PGC and PGD pins of the ICSP header. These are the two pins opposite the white triangle on the ICSP header
  3. Plug in the Logic Shrimp, the ACT LED should light
  4. Run the LS-firmware-vxx.bat and wait for the update to complete
  5. Remove any connection between teh PGC and PGD pins and the replug the Logic Shrimp
  6. The update is complete


Mac OS X