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arduino-cli/libraries/FastX9CXXX/examples/RandomValue/RandomValue.ino

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+/*
+Example project to control a X9CXXX digital potentiometer
+
+https://github.com/GitMoDu/FastX9CXXX
+
+modified 30 Aug 2017
+by MoDu
+*/
+
+#include <FastX9CXXX.h>
+
+#define X9_CS_PIN 3
+#define X9_UD_PIN 4
+#define X9_INC_PIN 5
+
+FastX9C102 Potentiometer;
+
+void setup() {
+	Serial.begin(9600);
+	Serial.println();
+	Serial.print(F("X9C104 Digital Potentiometer setup..."));
+	randomSeed(analogRead(0));
+	Potentiometer.Setup(X9_CS_PIN, X9_UD_PIN, X9_INC_PIN);
+	Serial.println(F(" complete."));
+
+}
+
+void loop() {
+	Potentiometer.JumpToStep(random(X9CXXX::X9_STEPS));
+	Serial.print(F("Potentiometer current resistance: "));
+	Serial.print(Potentiometer.GetEstimatedResistance(), DEC);
+	Serial.println(F(" Ohm"));
+	delay(1000);    // wait for a second
+}