INA219

2 years ago

Open source license: Public Domain

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Description

This is really a cool little device that not only allows you to measure current, but voltage as well. With a little multiplication, you can even measure power.

In terms of voltage, you get to blow right past the Arduino 5 volt limitation. In fact, you can measure up to 26 Volts DC.

At +/- 3.2A, current measurement range is suitable for most smaller measurements. In other words, you can measure in excess of 75 watts of power. More about the board: https://www.adafruit.com/product/904

Enjoy it!:)

Documents

BOM

ID Name Designator Footprint Quantity
1 INA219AIDCNR U1 SOT-23-8 1
2 Header-Male-2.54_1x1 VCC,GND,VIN-,VIN+,SDA,SCL HDR-1X1/2.54 6
3 10KΩ R1,R2,R3,R4 0805 4
4 100nF C1 0805 1
5 WJ301V-5.0-2P P1 WJ301V-5.00-2P 1
6 0.1 R5 2512 1
7 24 A0,A1 0805 2

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