Simple ADC example

Author: microbuilder

libraries/AdafruitFeather52Examples/Hardware/adc/adc.ino

@@ -0,0 +1,20 @@
+int adcin    = A5;
+int adcvalue = 0;
+float mv_per_lsb = 3600.0F/1024.0F; // 10-bit ADC with 3.6V input range
+
+void setup() {
+  Serial.begin(115200);
+}
+
+void loop() {
+  // Get a fresh ADC value
+  adcvalue = analogRead(adcin);
+
+  // Display the results
+  Serial.print(adcvalue);
+  Serial.print(" [");
+  Serial.print((float)adcvalue * mv_per_lsb);
+  Serial.println(" mV]");
+
+  delay(100);
+}