You can use 14 GPIO (general purpose input output) pin and 6 Analog pins. Arduino having Inbuilt ADC (analog to digital converter) so you don't need to attach an IC externally. Arduino also has PWM pin which generates PWM. So you can use Servo motor directly with Arduino. And from analog pins you can read and write analog value.
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Scooped by
Gumersindo Fernández
onto tecno4 February 20, 2019 2:52 AM
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