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Fix doc
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README.md

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@@ -8,6 +8,7 @@ Create from an idea of http://www.instructables.com/id/DIY-Arduino-Battery-Capac
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![Schema](https://github.com/xreef/BatteryCapacityTesterArduinoNANO/blob/master/Resources/BTester_schem.png)
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## Assembly list
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Label Part Type Properties
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10K Trimmer potentiometer TRIMPOT package trimpot_pth_s3_lock_3386P; variant variant 2
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18650 Battery lipo
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R4 10kΩ Resistor package THT; tolerance ±5%; resistenza 10kΩ; bands 4; pin spacing 400 mil
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R10 10kΩ Resistor package THT; tolerance ±5%; resistenza 10kΩ; bands 4; pin spacing 400 mil
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R11 10kΩ Resistor package THT; tolerance ±5%; resistenza 10kΩ; bands 4; pin spacing 400 mil
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## Shopping List
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Amount Part Type Properties
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1 TRIMPOT package trimpot_pth_s3_lock_3386P; variant variant 2
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1 LIPO 18650 variant
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1 Arduino Pro Mini clone (compatible Nano)tipo Arduino Pro Mini (Clone comp Nano); variant variant 1
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1 10kΩ Resistor Power resistor
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6 10kΩ Resistor package THT; tolerance ±5%; resistenza 10kΩ; bands 4; pin spacing 400 mil
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## Realization
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To measuring voltage we use the principle of Voltage divider
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https://en.wikipedia.org/wiki/Voltage_divider
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https://startingelectronics.org/articles/arduino/measuring-voltage-with-arduino/
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The principle is that we measure the voltage afther and before the power resistor and so we can calculate millihampere that consumes the battery.
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The MOSFET is used to stard and stop battery drain from power resistor.
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I'm pretty scary, so I inserted 2 thermistors to monitorage battery and power resistor temperature.
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![Breadboard](https://github.com/xreef/BatteryCapacityTesterArduinoNANO/blob/master/Resources/breadboard01.jpg)
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![lcd on discharging](https://github.com/xreef/BatteryCapacityTesterArduinoNANO/blob/master/Resources/lcdDischarging02.jpg)

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