MKR1500 won't turn on with Lipo (tried two) on batteryport, though seems unstable powered through USB only

Using Arduino Microcontrollers
1

Hi there,

Could use some advice here, bought a MKR1500 board to experiment with MKR1500.
What I'm experiencing is that the board seems instable when powered only through USB (such as a sketch not being uploaded, but working perfectly fine everytime when batterypack also connected).

But when the USB cable is removed, I can't get it to power on, although pressing reset quickly in succession does make an orange led flash slowly.
I'm kind of lost here.

What is happening ? I'm now worried that this board is so power hungry it won't ever be suitable for demoing / development. (Kind of knocks the fun out of a demo if it needs two powersupplies connected in order to even boot..)

No doubt I'm missing something obvious here.

2

post some project images supporting the various issues made, please.

3

Sure,

Posted three photo's;

  • Lipo connected to Seeeduino LoraWan w/GPS. works fine
  • Lipo connected to MKR1500 - nothing happens
  • Other Lipo connected to MKR1500 - nothing still

So what to make of this ? am I missing something obvious ?

Afbeelding1

Edit: for some reason I can only include one 'media item' per post on this forum as a new user. sorry for spamming you, but i will add the other photo's in separate posts for that reason.

4

Afbeelding2
Photo 2

5

Afbeelding3

6

2 Different batteries plugged into unit A works, same batteries into unit B and unit B does not work but is supposed to work. unit B defective.

7

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