HEAT PUMP MODBUS REMOTE / ESP32 APPLICATION
Coolwex Remote Control
Modbus interface for old Coolwex DSW-300 (or Sinclair SWH 300) heatpump from year ~2011 using ESP32 WiFi module
Open project preview ↗Hardware
Boards: ESP32
Supported hardware: ESP32. Confirm the exact board revision and pin map in the upstream repository.
What the source supports
Upstream evidence: Reviewed from public README media at commit 0e9d3976e902 under Apache-2.0. Firmware was not executed.
Media credit & rights
Upstream project media · rights remain with its owner · Credit: pavelchuchma
Screenshots decoded from the upstream README at a pinned commit. Repository code and firmware were not executed; the license texts are included in the preview package.
View original source ↗ Copyright & removal · Reviewed
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Repository links do not imply author endorsement or verified hardware compatibility. Check the upstream safety guidance before powering or flashing a build.