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DIY USB line power meter stick

Posted on Tuesday, September 29th, 2015 in DIY by DP

DIY-USB-Line-Power-Meter-Stick-Connected-to-Laptop-620x503

A DIY USB line power meter stick from Electro-Labs:

This is an USB stick which measures the supply voltage of the USB port and current drawn by the device connected to the port over the stick. Then it calculates the power consumption of the device and displays the whole information with the help of the small OLED display on the board. The stick itself is also powered from the USB port.

Project info at Electro-Labs.

Via the contact form.

This entry was posted on Tuesday, September 29th, 2015 at 11:30 pm and is filed under DIY. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

One Response to “DIY USB line power meter stick”

  1. Drone says:

    You can get something almost identical to this for around five bucks pre-built on the Web. They should have added some things to make it different/better like a RTC, Whr/Ahr measurement, and correction for the dongle’s current draw.

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