Interfacing
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You can connect your Scamp using dupont wires directly connected to the I/O connector:

Or, with a pin header, your Scamp can be inserted into a breadboard or mounted onto a custom PCB:

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Learn how to use simple digital I/O, sample analog inputs, interface to serial communication devices, add peripherals using I2C, and using PWM to control motors or generate analog signals.

On a Scamp1/Scamp2 the following pins can used with the following functions:

Pin	Input			Output		Serial
0	Analog	Input	Switch	Output	PWM	Rx	Tx
1	Analog	Input	Switch	Output	PWM	Rx	Tx
2	Analog	Input	Switch	Output	PWM	Rx	Tx
3	Analog	Input	Switch	Output	PWM	Rx	Tx
4		Input *				Rx
5	Analog	Input	Switch	Output	PWM	Rx	Tx
6	Analog	Input	Switch	Output	PWM	Rx	Tx
7		Input	Switch	Output
8		Input
9		Input	Switch	Output	PWM	Rx	Tx
10	Analog	Input	Switch	Output	PWM	Rx	Tx
11	Analog	Input		Output	PWM	Rx	Tx
12		Input	Switch	Output	PWM	Rx	Tx

​​* 5V tolerant input

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Learn : Interfacing