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Author Topic: Re: Arduino+N shields  (Read 439 times)
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http://www.ladyada.net/make/mshield/faq.html

/*
What pins are not used on the motor shield?
All 6 analog input pins are available. They can also be used as digital pins (pins #14 thru 20)

Digital pin 2, and 13 are not used.

Digital pin 11: DC Motor #1 / Stepper #1
Digital pin 3: DC Motor #2 / Stepper #1
Digital pin 5: DC Motor #3 / Stepper #2
Digital pin 6: DC Motor #4 / Stepper #2
These pins are in use only if the DC/Stepper noted is in use

Digital pin 4, 7, 8 and 12 are used to drive the DC/Stepper motors via the latch
These pins are in use if any DC/steppers are used

Digitals pin 9: Servo #1 control
Digital pin 10: Servo #2 control
These pins are used only if that particular servo is in use
*/

Nenhum dos pins de leitura analógica (os de baixo) é usado pelo shield. Também podem ser usados como digitais se os definires para isso.
Os pins digitais 2 e 13 não são usados nunca. Nos outros depende de quantos motores estás a usar.

Ao todo sobram-te no mínimo 7 pins. Só tens que arranjar maneira de soldar os fios directamente no shield ou em ultimo caso cortar o pcb do shield e ligar directamente ao arduino (!!! se não tiver nenhuma via no caminho!!!)
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