Michael Klements | Making An Ultra Low Power Arduino Pro Mini @MichaelKlements | Uploaded March 2021 | Updated October 2024, 1 hour ago.
This Arduino pro mini uses over 600 times less power than a traditional pro mini, using a couple of simple changes which cost around $2 to make. An original 3.3V Arduino Pro Mini uses around 4500 microamps when running the standard blink sketch. By making the changes in this video, you can get this Arduino down to just 7 microamps, while keeping the same functionality.

Here's a full write-up on the modifications and results of each test - the-diy-life.com/making-an-ultra-low-power-arduino-pro

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Purchase Links (Affiliate)
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MCP1700 - amzn.to/3rEjwnz
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If you've got any ideas for Raspberry Pi, Arduino, or other Electronics projects or tutorials you'd like to see, let me know in the comments section.