ringbit remote controlled car

bouton A+B pour avancer
bouton A seul pour tourner à gauche
bouton B seul pour tourner à droite

ringbit_car.py

@@ -0,0 +1,66 @@
+import microbit
+import radio
+
+# https://www.firialabs.com/blogs/lab-notes/continuous-rotation-servos-with-python-and-the-micro-bit
+
+class MicrobitCServo:
+    """ Microbit continuous servo controller """
+    
+    def __init__(self, pin):
+        self.pin = pin
+        
+    def clockwise(self):
+        self.pin.write_analog(1023 * 1.0 / 20)
+        
+    def counterclockwise(self):
+        self.pin.write_analog(1023 * 2.0 / 20)
+        
+    def stop(self):
+        # self.pin.write_analog(0)
+        self.pin.write_analog(1023 * 1.5 / 20)
+
+class RingCar:
+    
+    def __init__(self):
+        self.left_pin = microbit.pin1
+        self.right_pin = microbit.pin2
+        self.left = MicrobitCServo(self.left_pin)
+        self.right = MicrobitCServo(self.right_pin)
+        self.left.go = self.left.counterclockwise
+        self.right.go = self.right.clockwise
+        self.channel = 77
+
+    def forward(self):
+        self.left.go()
+        self.right.go()
+    
+    def stop(self):
+        self.left.stop()
+        self.right.stop()
+        
+    def go_left(self):
+        self.left.stop()
+        self.right.go()
+        microbit.display.show('a')
+    
+    def go_right(self):
+        self.right.stop()
+        self.left.go()
+        microbit.display.show('b')
+        
+    def radio_controlled(self):
+        radio.config(channel = self.channel)
+        radio.on()
+        while True:
+            order = radio.receive()
+            if order == 'go':
+                self.forward()
+            elif order == 'left':
+                self.go_left()
+            elif order == 'right':
+                self.go_right()
+            else:
+                self.stop()
+
+car = RingCar()
+car.radio_controlled()