#186 Measure Current with an Arduino - Digital or Analog? Easy!

Measuring current is both easy and very accurate using a current sensing module and an Arduino.
PCBWay $5 for 10 pieces https://www.pcbway.com
PCB Prototyping the easy way - see my video #129 for Hands-On details.

09:30 INA219 (digital) begins

Let's investigate whether an analog or digital device is better for detecting and measuring current in all sorts of circuits - up to 26V and 30A.

All this information plus sketches and more in my GitHub:
https://github.com/RalphBacon/186-Measuring-Current-with-an-Arduino

### INFORMATION

Good reading on the **INA219**
http://cdwilson.us/articles/understanding-the-INA219/

**Adafruit article** on INA219 (using their library)
https://learn.adafruit.com/adafruit-ina219-current-sensor-breakout/arduino-code

Adafruit **GitHub library** for INA219
https://github.com/adafruit/Adafruit_INA219

Texas Instruments **Datasheet* for digital INA219
http://www.ti.com/lit/ds/symlink/ina219.pdf

Sparkfun Datasheet for **ACS712** (analog current sensor)
https://www.sparkfun.com/datasheets/BreakoutBoards/0712.pdf

### List of all my videos
(Special thanks to Michael Kurt Vogel for compiling this)
http://bit.ly/YouTubeVideoList-RalphBacon

All this information plus sketches and more in my GitHub:
https://github.com/RalphBacon/186-Measuring-Current-with-an-Arduino

### PRODUCTS
Links may be affiliate links that help support my channel - thank you for your support!

Banggood INA219 High Precision I2C Digital Current Sensor Module $3.27 + shipping
Easy to use via I2C (really, it is) and gives a lot of control over the level of detail you want to retrieve. I'm just getting the current in the video but you can do lots more!
https://www.banggood.com/GY-INA219-High-Precision-I2C-Digital-Current-Sensor-Module-p-1200612.html?p=FQ040729393382015118&utm_campaign=25129675&utm_content=3897

Banggood ACS712 Analog Module 5A /10A / 20A Current Detection Board
https://www.banggood.com/ACS712-Module-5A-10A-20A-Current-Detection-Board-ACS712-Hall-Current-Sensor-Module-p-1546325.html?p=FQ040729393382015118&utm_campaign=25129675&utm_content=3897

Banggood Electronic Load Ageing Battery Power Capacity Tester Module
https://www.banggood.com/Original-ZHIYU-60W-110W-9_99A-30V-Constant-Current-Electronic-Load-Aging-Battery-Capacity-Tester-p-1146280.html?p=FQ040729393382015118&utm_campaign=25129675&utm_content=3897

Banggood XH-M240 Battery Capacity Tester mAh mWh for 18650 Lithium Battery
https://www.banggood.com/XH-M240-Battery-Capacity-Tester-mAh-mWh-for-18650-Lithium-Battery-Digital-Measurement-Lithium-Battery-Power-Detector-Tester-Voltmeter-p-1616147.html?p=FQ040729393382015118&utm_campaign=25129675&utm_content=3897

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My channel, GitHub and blog are here:
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https://ralphbacon.blog
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Видео #186 Measure Current with an Arduino - Digital or Analog? Easy! канала Ralph S Bacon