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MClif
New Contributor I
985 Views

When to use J2 and its connected battery

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Hi,

With Edison and the Arduino board, not the mini breakout board, I have successfully blinked LEDs, used an LCD display and PIR, etc.

Staring at the board I see a J2 header next to the Edison Compute Module and wondered what it was used for. I subsequently found the following:

https://communities.intel.com/docs/DOC-23455 https://communities.intel.com/docs/DOC-23455

"BATT (J2): The BATT header allows attaching a Li-Ion battery for those low power applications. Make sure the battery is attached with the correct polarity."

This doesn't say if that is enough to power the Edison Compute Module AND the Arduino board. I.e. not need power via the J16 USB port or the J1 Barrel Jack.

https://communities.intel.com/message/295018# 295018 https://communities.intel.com/message/295018# 295018

"Powering the Arduino Expansion Board using a Li-ion battery plugged to J2 will power only the compute module"

This says J2 is only for the Edison Compute Module.

http://www.intel.com/content/dam/support/us/en/documents/edison/sb/edisonarduino_hg_331191007.pdf

"For low power applications (those shields running off 3.3 V) a lithium ion battery (3.0 to 4.3 Vmax) can be attached to J2, which will power the Intel® Edison kit for Arduino and provide 100 mA of 3.3 V to the shield."

And this seems to say that J2 will power the Compute Module AND the Arduino board, i.e. the Edison Kit for Arduino.

Question: When do you folks think J2 can or should be used and is any other power required via J1 for example.

Regards,

Bill

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1 Solution
idata
Community Manager
57 Views

Hi Bill,

 

 

Thank you for reaching us out. Let us try to answer your question.

 

I just checked the schematic for the Edison Arduino kit (you can take a look at it here http://www.intel.com/content/www/us/en/support/boards-and-kits/000005829.html http://www.intel.com/content/www/us/en/support/boards-and-kits/000005829.html) to make sure we provide the right information, and confirmed that the Hardware Guide is correct, J2 will power the Edison Arduino kit and provide 100mA of 3.3V to the shield. However, things like ADC and USB won't work with this configuration.

 

Hope this answers your question.

 

 

Regards,

 

-Pablo

View solution in original post

3 Replies
idata
Community Manager
58 Views

Hi Bill,

 

 

Thank you for reaching us out. Let us try to answer your question.

 

I just checked the schematic for the Edison Arduino kit (you can take a look at it here http://www.intel.com/content/www/us/en/support/boards-and-kits/000005829.html http://www.intel.com/content/www/us/en/support/boards-and-kits/000005829.html) to make sure we provide the right information, and confirmed that the Hardware Guide is correct, J2 will power the Edison Arduino kit and provide 100mA of 3.3V to the shield. However, things like ADC and USB won't work with this configuration.

 

Hope this answers your question.

 

 

Regards,

 

-Pablo

View solution in original post

MClif
New Contributor I
57 Views

Pablo,

Thanks for answering and translating the schematic, I had seen it but didn't understand what I was looking at.

Very low priority, if not 0: when someone runs out of things to d0, create a video that talks about that schematic you looked. I got lost

Regards,

Bill

idata
Community Manager
57 Views

Hi Bill,

 

 

You're welcome, we are glad to help you J

 

And thank you for your feedback. We will try to make that happen, we have already passed your comments to the team in charge.

 

 

Regards,

 

-Pablo
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