example code for STEMMA analog switch

CircuitPython and Arduino examples for using the STEMMA analog switch

STEMMA_Analog_Switch_Examples/Arduino_Analog_Switch_Example/Arduino_Analog_Switch_Example.ino

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+// SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+int analogIn = A1;
+// in arduino, feather rp2040 pin 5 is pin 7
+int digitalOut = 7;
+int analogValue = 0;
+unsigned long timer = 2000;
+unsigned long startTime = millis();
+
+void setup() {
+  Serial.begin(115200);
+  pinMode(digitalOut, OUTPUT);
+}
+
+// the loop function runs over and over again forever
+void loop() {
+  analogValue = analogRead(analogIn);
+  Serial.println(analogValue);
+  if ((millis() - startTime) >= timer) {
+    digitalWrite(digitalOut, !digitalRead(digitalOut));
+    startTime = millis();
+  }
+  delay(10);
+}

STEMMA_Analog_Switch_Examples/CircuitPython/code.py

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+# SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
+import time
+import board
+from digitalio import DigitalInOut, Direction
+from analogio import AnalogIn
+
+analog_in = AnalogIn(board.A1)
+
+switch = DigitalInOut(board.D5)
+switch.direction = Direction.OUTPUT
+
+switch_time = 2
+clock = time.monotonic()
+while True:
+    if (time.monotonic() - clock) > switch_time:
+        switch.value = not switch.value
+        print(switch.value)
+        clock = time.monotonic()
+    print((analog_in.value,))
+    time.sleep(0.1)