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Solar-Powered Weather Display Using Tri-Color E-Paper Screen

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Ricardo Sappia’s solar-powered weather station features a 2.13-inch tri-color (black/white/red) e-paper display with 250×122 pixel resolution. Powered by a compact solar panel for window-mounted charging, the device shows:

  • Time & date

  • Sunrise/sunset times

  • Daily high/low temperatures

  • Wind speed/direction

  • Cloud cover conditions

At its core, an ESP32 controller fetches live weather data and updates the energy-efficient e-paper screen, which then enters deep sleep mode between refreshes to maximize power savings.