Autumn, 2014C.-S. Shieh, EC, KUAS, Taiwan1 智慧電子應用設計導論 (1/3) Analog Input/Output Chin-Shiuh Shieh ( 謝欽旭 ) Department of Electronic Engineering National Kaohsiung University of Applied Sciences, Taiwan

Autumn, 2014C.-S. Shieh, EC, KUAS, Taiwan2 Analog Input/Output

Autumn, 2014C.-S. Shieh, EC, KUAS, Taiwan3 Analog Input/Output (cont) pinMode(pin,mode); analogRead(pin);// [0,1023] analogWrite(pin,value); // Pulse Width Modulation (PWM), [0, 255] Analog-to-Digital Converter Digital-to-Analog Converter

Autumn, 2014C.-S. Shieh, EC, KUAS, Taiwan4 Example – VR

Autumn, 2014C.-S. Shieh, EC, KUAS, Taiwan5 Example – VR (cont) void setup() { Serial.begin(9600); } void loop() { Serial.println(analogRead(A0)); }

Autumn, 2014C.-S. Shieh, EC, KUAS, Taiwan6 Example DC Motor

Autumn, 2014C.-S. Shieh, EC, KUAS, Taiwan7 Example DC Motor (cont) void setup() { pinMode(2,OUTPUT); } void loop() { int vr=analogRead(A0); analogWrite(2,vr/4); delay(100); }