Merge pull request #14 from kattni/add-tx-example

Add tx example

Author: caternuson

examples/ir_transmit.py

@@ -0,0 +1,24 @@
+"""IR transmit example using Circuit Playground Express"""
+import time
+import adafruit_irremote
+import pulseio
+import board
+import digitalio
+
+# Create a button object to trigger IR transmit
+button = digitalio.DigitalInOut(board.D4)
+button.direction = digitalio.Direction.INPUT
+button.pull = digitalio.Pull.DOWN
+
+# Create a 'pulseio' output, to send infrared signals on the IR transmitter @ 38KHz
+pwm = pulseio.PWMOut(board.IR_TX, frequency=38000, duty_cycle=2 ** 15)
+pulseout = pulseio.PulseOut(pwm)
+# Create an encoder that will take numbers and turn them into NEC IR pulses
+encoder = adafruit_irremote.GenericTransmit(header=[9500, 4500], one=[550, 550],
+                                            zero=[550, 1700], trail=0)
+
+while True:
+    if button.value:
+        print("IR signal sent!")
+        encoder.transmit(pulseout, [255, 2, 255, 0])
+        time.sleep(0.2)