battery power not enough to run pi

Submitted by malcolm dancy on Wed, 06/28/2017 - 10:47

Forums:

I'm trying to get my diddyborg running with 10 rechargable AA batteries.

I'm finding that, when the batteries are fully charged, they will run the motors, but not the pi itself. The lights come on on the pi, and if I connect a monitor it shows colours but doesn't get into the startup sequence.

If I plug the pi into a separate 5V source, all is well, but the main battery pack doesn't give the pi enough to run.

any ideas?

piborg's picture

piborg

Wed, 06/28/2017 - 11:47

It sounds like the BattBorg is struggling to provide 5V to the Raspberry Pi properly.

Could you try the following and see if they help:

  1. Unplug any USB devices connected to the Raspberry Pi
  2. If you have anything other than the PicoBorg Reverse connected to the GPIO pins try removing it
  3. Make sure the wires connecting V+ and GND on the BattBorg are connected firmly at both ends using good quality wire
  4. Check the 3-pin cables between the PicoBorg Reverse and the Raspberry Pi are making a good connection on the 5V pins. It might be worth swapping the cable connected to pin 2 with the spare
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