I know. If you read the original post I jokingly replied to it said, "To [sic] bad that powerbanks can't be used when charging."
While, their E7 26800 mAh works fine doing both, I double checked it before answering, as does the E3 so I think their entire new Astro line does.
My darn Sony Bluetooth headphones can not be used while charging. It is the only rechargeable item I have like that.
The Anker website FAQ indicates the E7 cannot be charged when charging/powering other devices: https://www.anker.com/products/A1210012 Also, the E7's output is only 60-70% efficient, so the original problem noted in this thread (is the battery pack output regulated?) remains in doubt. UPDATE: I just noticed the Anker Astro battery packs are 5v output, and the UDOO X86 requires 12v regulated +/- .nn volts.
While the their FAQ is fucking WRONG!!!! State what tou want I have the evidence and not some wiki like internet lie.
A possible solution? http://www.batteryspace.com/nimhbatterypack12v3800mah5x2x43abattery.aspx + http://www.robotshop.com/en/quick-connect-battery-connector.html + http://www.dfrobot.com/index.php?ro...ch=dc+connector&description=true#.V6iMJaI8pQI Is this power supply version for UDOO x86 http://shop.udoo.org/eu/accessories/power-adapter-eu.html ? In this case, this battery http://www.lynxmotion.com/p-727-120-volt-ni-mh-2800mah-battery-pack.aspx should be a valid choise?
A little bit offtopic but why connect an extra arduino when the udoo has an arduino build in? Do you have to use 2 arduino's? If you need extra io you could also use the x86 io.
Just like any standard Arduino board the UDOO X86 shouldn't power any servos. If you look back to the start of this thread you will find the following: "With respect to the servos you will likely want to have a separate regulated battery power supply. This guide will help: https://cdn-learn.adafruit.com/downloads/pdf/16-channel-pwm-servo-driver.pdf "
I will use 2 boards (UDOO X86 and Arduino MEGA with expansion board) with 2 batteries. Now, can my solution posted before power the UDOO X86?
For 20 servo's you could also use something like this http://www.lamja.com/?p=504 In this sulution the servos are separately powered. An I2C expansion board as FirstGenGeek proposed is also a very good alternative. And even better than the other because that relies on Arduino Uno timers wich I don't know if they are compatible with the Curie ones. So to control 20 servo's you only need 1 Arduino. To power them you need external power. The battery size is also depends how heavy you use the servo's.
UDOO X86 is a board design for makers, the staff has to explain how to connect it to a external battery. I wait an OFFICIAL solution.
I think they are not ready yet. The Udoo Quad, Dual and Neo need a power supply between 6 and 15 Volt so very tolerant. I expect the Udoo X86 having the same specs so no need for a regulated power source as long as it is stable. A battery is stable per design so for the time being just plan to use any 12 V battery and be sure that during loading it is not peaked over 15V ( if connected to the board).
Servo's normally run on 5-6V so you need another battery pack for the servo's. Or put 2 6V packs in serial for the Udoo and use 1 of the 2 to power the servo's.
I still to think that this battery http://www.lynxmotion.com/p-727-120-volt-ni-mh-2800mah-battery-pack.aspx can do the work. 6V < 12V < 15V...
For the archive, http://www.udoo.org/forum/index.php?posts/21321: "The board needs a 12V 3A power supply (VIN +/-5%)." So a battery pack without a voltage regulator is not possible I think.
