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ESP8266 based datalogger for EPEver Solar CC

Features:

Hardware Changes:

  • To Add: Microchip 12F683 to time wake (reset) from sleep and reset on external input
  • Logging: will be saving homeopathic amounts of data, 4 bytes hourly - 8 bytes daily,
  • Just use EEPROM? space for 512 days of daily data. Write endurance 10,000 days
  • RTC memory enough for last two days worth of hourly data..maybe pop some into EEPROM
  • Software Changes:
  • WiFi-GUI as AP - no LAN so direct GUI connection to mobile device - implemented 20/12/23
  • Powersave: ESP sleep > log load and solar power >sleep timer reset every 40 seconds
  • Save watt/hour figures to FRAM - hourly and daily summary
  • If load state toggled - ESP+wifi+GUI powered for 10 mins
  • Adapt GUI
  • Midday Load OFF - every day -

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Power saving implementation - experimental

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