Can I use a 3.3V LiPo battery to provide power to the board?

[pb-dyim]

I know I can use 5V from the USB, but can I use a 3.3V LiPo battery and do I plug this into the 3.3V/GND?

[TheAustrian]

Yes, you can do that as you described (3.3V and GND) for the lower voltage LiPo batteries since the ESP8266's supply voltage range is 3.0V to 3.6V.

If you use standard lithium ion batteries that have 3.7-4.2V, it's better to connect them to the 5V pin, since that is connected to an LDO converter.

[pb-dyim]

What is the voltage drop of the VDO if I connect to the 5v?

Sent via the Samsung Galaxy Note® 4, an AT&T 4G LTE smartphone

-------- Original message --------
From: TheAustrian notifications@github.com
Date: 7/3/2016 8:53 AM (GMT-06:00)
To: wemos/D1_mini_Examples D1_mini_Examples@noreply.github.com
Cc: David Yim dyim@pacificbiosciences.com, Author author@noreply.github.com
Subject: Re: [wemos/D1_mini_Examples] Can I use a 3.3V LiPo battery to provide power to the board? (#20)

Yes, you can do that as you described (3.3V and GND) for the lower voltage LiPo batteries since the ESP8266's supply voltage range is 3.0V to 3.6V.

If you use standard lithium ion batteries that have 3.7-4.2V, it's better to connect them to the 5V pin, since that is connected to an LDO converter.

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[TheAustrian]

It's an RT9013, if the schematics are still correct, so a maximum of 250mV.

[pb-dyim]

Thanks. That works for me! I can't wait to get them in the mail.

Sent via the Samsung Galaxy Note® 4, an AT&T 4G LTE smartphone

-------- Original message --------
From: TheAustrian notifications@github.com
Date: 7/3/2016 9:45 AM (GMT-06:00)
To: wemos/D1_mini_Examples D1_mini_Examples@noreply.github.com
Cc: David Yim dyim@pacificbiosciences.com, Author author@noreply.github.com
Subject: Re: [wemos/D1_mini_Examples] Can I use a 3.3V LiPo battery to provide power to the board? (#20)

It's an RT9013, if the schematicshttp://www.wemos.cc/Products/images/d1_mini.pdf are still correct, so 250mV.

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