using batteries with YUN

Official Hardware Classic Yún
1

HI

I have a project that I want to use batteries and using a TS7805 voltage regulator and PP3 battery attached to Vin on my YUN does not work the LED's barley light. How much current does the board need ? I thought that a PP3 would do the job but does not work even with the YUN doing nothing, what sort of battery set up would you recommend ? and where can I get the specs.
Thanks in advance as any advice will be warmly accepted by this wet behind the ears Newbie. Anything about using a power supply other than USB would be great :frowning:

Andy

2

This thread is interesting:
Arduino power consumption

I don't think Arduino Yun was designed for being powered by batteries, they wont last long and Yun doesn't have sleep mode.

3

The small PP3 type 9v batteries are not suitable for any Arduino. At the very least use a pack of 6xAA cells.

...R

4

mart256:
This thread is interesting:
Arduino power consumption

I don't think Arduino Yun was designed for being powered by batteries, they wont last long and Yun doesn't have sleep mode.

@mart256,
you are correct, Yun does not have a sleep mode. However, some people have experimented. Here are some links:

Low power Yún
USB Hub per-port power switching

Thanks for the new link, I'll add it to mine as well.

Jesse

5

4 x new AA NIMH batteries seem to work fine for me. :slight_smile: :slight_smile: :slight_smile:

They were at 5.07 V when fully charged, then hover around 4.8 V when discharging, all well within standard USB thresholds.

I checked amperage and I could draw around 2-3A in short bursts and the Yun consumes around 0.3-0.5 amps normally. I havent run them through to discharge but estimate that I should be able to get around 8hours or so based on what other people are posting here.

Make sure you plug the + into the Vin input (5V did not work for me). I would also advice against plugging in high EM inteferance devices such as Servos and DC motors to the circuit.

1920×1080 439 KB