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OLIMEX© 2015
6.3 PWR jack
The power jack used is the typical one used by Olimex in most of our products – the DC barrel jack
has 2.0mm inner pin and 6.3mm hole. More information about the exact component might be found
here: https://www.olimex.com/wiki/PWRJACK.
You should provide 6 to 16 volts direct current and the required current may vary depending on the
peripherals connected to the board. The power supply you use should be capable of providing at
least 500mA of current.
Pin #
Signal name
1
Power input
2
GND
More info about the power supply can be found in chapter 5 of this manual.
6.4 MIC_IN & HEADPHONES connectors
The part of the schematic related to those connectors is listed below:
Standard MIC_IN jack is mounted for audio input to the board. Note that it is a single channel
Page 30 of 56
A20-OLinuXino-MICRO user's manual
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