Added Nunchuck Laser Code

Author: makermelissa

Nunchuck_Laser/code.py

@@ -0,0 +1,41 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
+import time
+import board
+import digitalio
+import simpleio
+import adafruit_nunchuk
+import adafruit_pca9685
+import adafruit_motor.servo
+
+PITCH_OFFSET = 45    # The offset for the pitch
+PITCH_RANGE = 90     # The range the servo can rotate up and down in degrees
+YAW_RANGE = 90       # The range the servo can rotate side to side in degrees
+
+# STEMMA QT 3V needs to be activated
+i2c_power = digitalio.DigitalInOut(board.I2C_POWER)
+i2c_power.switch_to_output(value=False)
+i2c = board.I2C()
+
+wing = adafruit_pca9685.PCA9685(i2c)
+wing.frequency = 50
+servo_yaw = adafruit_motor.servo.Servo(wing.channels[0])
+servo_pitch = adafruit_motor.servo.Servo(wing.channels[1])
+laser = wing.channels[2]
+
+nc = adafruit_nunchuk.Nunchuk(i2c)
+
+while True:
+    x, y = nc.joystick
+    servo_yaw.angle = simpleio.map_range(255 - x, 0, 255, (YAW_RANGE / 2), 180 - (YAW_RANGE / 2))
+    servo_pitch.angle = simpleio.map_range(y, 0, 255, PITCH_OFFSET + (PITCH_RANGE / 2), PITCH_OFFSET + 180 - (PITCH_RANGE / 2))
+    ax = nc.acceleration[0]
+
+    if nc.buttons.Z: # Z-Button sets laser to full brightness
+        laser.duty_cycle = 0xFFFF
+    elif nc.buttons.C: # C-Button sets laser to brightness depending on the roll position of your hand
+        laser.duty_cycle = int(simpleio.map_range(ax, 240, 750, 0, 0xFFFF))
+    else: # No button pressed sets laser to off
+        laser.duty_cycle = 0
+    time.sleep(0.01)