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Socket Type A

Three analog inputs, with pins number 3 and 4 doubling as general-purpose input/output. In addition, pin number 6 is a general-purpose input/output, and pin number 3 supports interrupt capabilities.



Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10
+3.3V +5V AIN (G!) AIN (G) AIN GPIO [UN] [UN] [UN] GND


AIN Analog input pin.

A general-purpose digital input/output pin, operating at 3.3 Volts.


In addition to another functionality, a pin that is also usable as a GPIO.


Modules must not connect to this pin if using this socket type. Mainboards can support multiple socket types on one socket, as long as individual pin functionalities overlap in a compatible manner, so that a pin from one socket type can overlap with a [UN] pin of another.

! Interrupt-capable and software pull-up capable GPIO (the pull-up is switchable and in the range of 10,000 to 100,000 ohms).
+3.3V Connection to the +3.3V power net.
+5V Connection to the +5V power net.
GND Connection the power ground net.


Connector Pin Numbering

Pins numbers for the male 10-pin connector standard Gadgeteer socket, as seen from above. In most cases, the ribbon cables will have the pin 1 conductor marked in red.


Last edited Nov 10, 2011 at 2:23 PM by nvillar, version 5


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