0

November 14, 2014 AT 1:00 am

Raspberry Pi A+ How Much Power Does It Need? #piday #raspberrypi @Raspberry_Pi

Raspberry Pi A+ How Much Power Does It Need?, from RasPi.TV:

…As before, when I did a similar thing for the B+, I used my trusty eMeter. But this time I used it inline with an ISO-TECH IPS 3303D bench power supply (at 5.2V) to corroborate the readings.

Methodology

I wanted to see how much current each Pi would consume under four circumstances….

  1. Idling in command line – low CPU load
  2. Starting LXDE desktop – heavy CPU load
  3. Watching Big Buck Bunny in HD – GPU load
  4. Filming Full HD video with Pi camera – GPU load + camera load

So this was done for each Pi in turn, A+, then B+, then A. I didn’t bother with the B as we had a separate B+/B comparison when B+ was launched. (I did the B rev 2 without filming the next day and updated the table.) All measurements were using a bench-supply set to a regulated 5.2V….

Read More.

Pasted Image 11 12 14 8 17 PM


998Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time!


Check out all the Circuit Playground Episodes! Our new kid’s show and subscribe!

Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground”Adafruit’s Apps!


Maker Business — Transforming Today’s Bad Jobs into Tomorrow’s Good Jobs

Wearables — Brushing it clean

Electronics — Electrolytic Limitations

Biohacking — High Power Density Human Sweat Battery

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !



No Comments

No comments yet.

Sorry, the comment form is closed at this time.