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Lightmeter/Flashmeter for photographers, based on Arduino.

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lightmeter

A Lightmeter/Flashmeter for photographers, based on Arduino.

Components:

  1. Arduino NANO v.3 https://www.banggood.com/custlink/K3Kvbdnnea
  2. BH1750 light sensor https://www.banggood.com/custlink/mKDv2Ip1dr or https://www.banggood.com/custlink/GvGvnRNN0e
  3. SSD1306 128*64 OLED SPI Display https://www.banggood.com/custlink/DDKmsdAQ6z
  4. Buttons https://www.banggood.com/custlink/m3DGAYsnnY
  5. 50x70 PCB https://www.banggood.com/custlink/KvvvnybQAP
  6. AAA battery Holder https://www.banggood.com/custlink/vK3KsynANN

Thanks @morozgrafix https://github.com/morozgrafix for creating schematic diagram for this device.

The lightmeter based on Arduino as a main controller and BH1750 as a metering cell. Information is displayed on SSD1306 OLED display. The device is powered by 2 AAA batteries.

Functions list:

  • Ambient light metering
  • Flash light metering
  • ND filter correction
  • Aperture priority
  • Shutter speed priority
  • ISO range 8 - 4 000 000
  • Aperture range 1.0 - 3251
  • Shutter speed range 1/10000 - 133 sec
  • ND Filter range ND2 - ND8192
  • Displaying amount of light in Lux.
  • Displaying exposure value, EV
  • Recalculating exposure pair while one of the parameter changing
  • Battery information
  • Power 2xAAA LR03 batteries

Detailed information on my site: https://www.pominchuk.com/lightmeter/

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