Merge pull request #2764 from adafruit/tcrt1000

adding example code for TCRT1000

STEMMA_TCRT1000/CircuitPython/code.py

@@ -0,0 +1,18 @@
+# SPDX-FileCopyrightText: 2023 Liz Clark for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import time
+import board
+from digitalio import DigitalInOut, Direction, Pull
+
+ir = DigitalInOut(board.D5)
+ir.direction = Direction.INPUT
+ir.pull = Pull.UP
+
+while True:
+    if not ir.value:
+        print("object detected!")
+    else:
+        print("waiting for object...")
+    time.sleep(0.01)

STEMMA_TCRT1000/arduino_tcrt1000_demo/arduino_tcrt1000_demo.ino

@@ -0,0 +1,21 @@
+// SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+void setup() {
+  //start serial connection
+  Serial.begin(115200);
+  pinMode(5, INPUT_PULLUP);
+
+}
+
+void loop() {
+  int sensorVal = digitalRead(5);
+
+  if (sensorVal == LOW) {
+    Serial.println("object detected!");
+  } else {
+    Serial.println("waiting for object..");
+  }
+  delay(200);
+}