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test_components.py

+import time
+import grovepi
+from grove_rgb_lcd import *
+
+# Define pin mappings
+pir_pin = 2
+button_pin = 3
+led_pin = 4
+servo_pin = 5
+ultrasonic_pin = 6
+light_sensor_pin = 0
+
+def pause():
+    input("\nPress ENTER to continue to the next test...\n")
+
+# --- PIR Motion Sensor ---
+def test_pir():
+    grovepi.pinMode(pir_pin, "INPUT")
+    print("[TEST 1] PIR Motion Sensor (D2)")
+    print("Move in front of the sensor.")
+    for _ in range(10):
+        motion = grovepi.digitalRead(pir_pin)
+        print("Motion Detected!" if motion else "No motion")
+        time.sleep(1)
+
+# --- Button ---
+def test_button():
+    grovepi.pinMode(button_pin, "INPUT")
+    print("[TEST 2] Button (D3)")
+    print("Press the button.")
+    for _ in range(10):
+        state = grovepi.digitalRead(button_pin)
+        print("Button Pressed!" if state else "Waiting...")
+        time.sleep(0.5)
+
+# --- Buzzer or LED ---
+def test_led():
+    grovepi.pinMode(led_pin, "OUTPUT")
+    print("[TEST 3] LED or Buzzer (D4)")
+    print("It should flash/beep.")
+    for _ in range(5):
+        grovepi.digitalWrite(led_pin, 1)
+        time.sleep(0.5)
+        grovepi.digitalWrite(led_pin, 0)
+        time.sleep(0.5)
+
+# --- Servo Motor ---
+def test_servo():
+    grovepi.pinMode(servo_pin, "OUTPUT")
+    print("[TEST 4] Servo Motor (D5)")
+    print("It should vibrate or move.")
+    grovepi.analogWrite(servo_pin, 255)
+    time.sleep(2)
+    grovepi.analogWrite(servo_pin, 0)
+    print("Servo test complete.")
+
+# --- Ultrasonic Ranger ---
+def test_ultrasonic():
+    grovepi.pinMode(ultrasonic_pin, "INPUT")
+    print("[TEST 5] Ultrasonic Ranger (D6)")
+    print("Move your hand closer/farther.")
+    for _ in range(10):
+        try:
+            distance = grovepi.ultrasonicRead(ultrasonic_pin)
+            print(f"Distance: {distance} cm")
+        except Exception as e:
+            print(f"Error: {e}")
+        time.sleep(1)
+
+# --- Light Sensor ---
+def test_light():
+    print("[TEST 6] Light Sensor (A0)")
+    print("Cover and uncover the sensor.")
+    for _ in range(10):
+        try:
+            light = grovepi.analogRead(light_sensor_pin)
+            print(f"Light Level: {light}")
+        except Exception as e:
+            print(f"Error: {e}")
+        time.sleep(1)
+
+# --- LCD Display ---
+def test_lcd():
+    print("[TEST 7] LCD Display (I2C)")
+    try:
+        setRGB(0, 100, 255)
+        setText("LCD is working!\nAll good :)")
+        time.sleep(4)
+        setText("Ready to deploy!")
+        time.sleep(3)
+    except Exception as e:
+        print(f"LCD Error: {e}")
+
+# --- Run All Tests Sequentially ---
+def run_all_tests():
+    print("\nHARDWARE TEST")
+    print("Press Ctrl+C anytime to exit.\n")
+
+    test_pir()
+    pause()
+
+    test_button()
+    pause()
+
+    test_led()
+    pause()
+
+    test_servo()
+    pause()
+
+    test_ultrasonic()
+    pause()
+
+    test_light()
+    pause()
+
+    test_lcd()
+    print("\nAll tests completed!")
+
+if __name__ == "__main__":
+    try:
+        run_all_tests()
+    except KeyboardInterrupt:
+        print("\nTest exited.")