Make Your Own Power Meter/Logger




In this project I will show you how I combined an Arduino, an INA219 power monitor IC, an OLED LCD and a Micro SD Card PCB in order to create a power meter/logger that has more functions than the popular USB Power Meter. Let’s get started!

Make Your Own Power Meter Logger




Step 1: Watch the Video!

The video gives you a good overview on how to create your own power meter. In the next steps though I will present you some additional information to make this project even simpler.

Step 2: Order Your Parts!

Here you can find a parts list with example seller for the portable version of this project.

Amazon.com:

1x LiPo Battery: http://amzn.to/2gz4yvd

1x TP4056 Board: http://amzn.to/2gzdIb4

1x Arduino Pro Mini: http://amzn.to/2gvfXuQ

1x INA219 Board: http://amzn.to/2gvflW7

1x OLED LCD: http://amzn.to/2fobopO

1x SD Card PCB: http://amzn.to/2fodhmu

1x Switch: http://amzn.to/2gz9ZtW

Ebay:
1x TP4056 Board: http://rover.ebay.com/rover/1/711-53200-19255-0/1?…

1x Arduino Pro Mini: http://rover.ebay.com/rover/1/711-53200-19255-0/1?…

1x INA219 Board: http://rover.ebay.com/rover/1/711-53200-19255-0/1?…

1x OLED LCD: http://rover.ebay.com/rover/1/711-53200-19255-0/1?…

1x SD Card PCB: http://rover.ebay.com/rover/1/711-53200-19255-0/1?…

1x Switch: http://rover.ebay.com/rover/1/711-53200-19255-0/1?…

Amazon.de:

1x LiPo Battery: http://amzn.to/2gM2vXB

1x TP4056 Board: http://amzn.to/2eUvMNO

1x Arduino Pro Mini: http://amzn.to/2g6Ujjr

1x INA219 Board: http://amzn.to/2gM5M9v

1x OLED LCD: http://amzn.to/2g6Q3Rd

1x SD Card PCB: http://amzn.to/2gM9Zdf

Step 3: Create the Circuit!

Here you can find the schematic for the Arduino Nano version and the portable version of this project. You can also find those schematic on the EasyEDA website:

https://easyeda.com/GreatScott/PowerMeter-b6051723…

https://easyeda.com/GreatScott/PortablePowerMeter-…

You can also use the pictures of my finished board as a reference for your own.

Step 4: Upload the Code!

Now that your circuit is complete, it is time to upload the code. You can download it here. But don’t forget to download and include the following libraries before uploading:

READ  A Digitally Controlled Dual Tracking Power Supply

https://github.com/adafruit/Adafruit_INA219

https://github.com/adafruit/Adafruit_SSD1306

https://github.com/greiman/SdFat

Step 5: Success!

You did it! You just created your own Power Meter/Logger

Feel free to check out my YouTube channel for more awesome projects:

http://www.youtube.com/user/greatscottlab

You can also follow me on Facebook, Twitter and Google+ for news about upcoming projects and behind the scenes information:

https://twitter.com/GreatScottLab

https://www.facebook.com/greatscottlab




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