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ֽ 뿡 亯 帳ϴ.
ۼ :  2020-07-28 17:25 ̸ : 

ֽ 뿡 亯帳ϴ.

 

1. Ƽ "Go" Լ  ƴ PWM Duty ratio  ǹ մϴ.  Go(400, 400) ̸ 400/1000 Duty ratio ͸ մϴ.

 

2. Ƽ ũ ǹմϴ. ũ ƴ ADC Value ǹմϴ. Ƽ ũ ȯϱ ؼ Ʒ ̿ؾ մϴ.

 

// ADC Value to Voltage

VI = ũ * 5 / 1024

 

// OPAMP

R1 = 1K ohm

Rf = 16K ohm

VO= VI / ((R1 + Rf )/ R1)

 

// Ʈ

RS = 0.5 ohm

I = VO / RS

 

⼭ I Ϳ ɸ ˴ϴ.

 

ũ   500

VI = 2.4414V 

VO = 0.1436V

I = 287mA 

 

Ͻñ ٸϴ.

մϴ. ^^

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