Im making an accelerometer with an Arduino Nano, MPU6050 and a MicroSD. Do i go about using a 7.4v LiPO or does a 3.7v suffice for this project? The board will be used only for 10-15 minutes at a time max.
is good. connect it to Vin pin and test. otherwise use 5V DC-DC step down converter
yes, i apologize. if voltage on cells fall below 3,5V the AMS1117-5.0 on arduino board will shutoff despite that battery has still enough power.
In short, For this specific project a 7.4v lipo would be reccomended over a 3.7v one?
Yes but we have not yet determined the mAh rating you need
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What form-factor? A couple of 18650's?
"LiPo" is nebulous.
A single 18650 with a step-up to 5v will suffice. A phone charger is a popular package for this.
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