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PMC-Eight ESP32 Firmware ES4.2.3

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Mirrors Wes McDonald's public PMC8 Tools ESP32 update packages for Explore Scientific PMC-Eight users.

Upstream: https://github.com/wesmcd6/pmc8-tools

Packages:

  • pmc8-esp32-ota-20260615-8a0910f.zip: recommended OTA update path when OTA is already supported.
  • pmc8-esp32-serial-flash-20260615-4f17190.zip: fallback full serial flash path when OTA is not possible.

Verified firmware:

  • Both package manifests report ES4.2.3 (v2.5).
  • The OTA esp-at.bin payload contains the embedded version string ES4.2.3.
  • The serial-flash pmc8_normal_firmware.binary matches the private Explore Scientific PMC-Eight-Firmware-Source bin/20A02.1.8.3.bt.binary SHA256.

SHA256:

  • b7d7a36c95ca302ac1e6689bb74ed1d5043499f6863e88073b3787c6570999b6 pmc8-esp32-ota-20260615-8a0910f.zip
  • c5de2fc1eb618f1476f074810e607eb3cc491816113050d67decc989d1c2fc4f pmc8-esp32-serial-flash-20260615-4f17190.zip