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June 8, 2015 AT 4:13 pm

New Guide: Pro Trinket Power Meter

Pro Trinket Power Meter is a new guide in the learning system:

This is a useful project to build a small power meter using a Pro Trinket, an OLED display, and the INA219 current sensing breakout.  You can use this power meter to measure the voltage, current, power, and milliamp-hours of current that are used by a device.  Why are these measurements useful?  If you’re estimating how long a device might run on batteries or if it’s possible to run off small solar cells then you’ll have to know how much power the device uses.  This power meter project is perfect for connecting to a project or device to measure its power consumption and estimate how long it will run on batteries!

Pro Trinket Power Meter


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