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ESP32 based E-paper display.
C C++
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Latest commit 63fbd60 Feb 9, 2020
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Electronics/rev1 Added 3D model Jan 5, 2020
Images added new image Feb 8, 2020
Mechanical/rev1 [MECH] Increased wall thickness to 1.6mm Jan 28, 2020
Software/ Update Feb 8, 2020 Update Feb 9, 2020

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ESP32 based E-paper display

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Checkout hackaday post for project logs at and our website at



  • Make more clock faces
  • Write code for esp-idf


  • Change CP2104 to be powered completely from USB
  • Check battery circuit for the double transistor one
  • Add provision in next rev to eliminate GPIO expander?
  • Change voltage regulator for a lower Iq
  • Change the battery charger symbol, error in schematic
  • Pull-up resistor on the ~CHG pin
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