feat: add python code example to move the motor after hitting a switch

examples/back_switch.py

@@ -0,0 +1,52 @@
+import crappy
+import tkinter as tk
+
+if __name__ == '__main__':
+
+  open_switch = 0
+
+  mot = crappy.actuator.Phidget4AStepper(
+    steps_per_mm=2500,
+    current_limit=3,
+    max_acceleration=20,
+    remote=True,
+    switch_ports=(5, 6))
+
+  mot._check_switch = False
+  mot.open()
+  for switch in mot._switches:
+    if switch.getState() is False:
+      open_switch = switch.getHubPort()
+
+
+  def gen_speed(value):
+    mot.set_speed(float(value))
+
+
+  # Creates the graphical interface
+  root = tk.Tk()
+  root.title("Motor speed")
+
+  if open_switch == 5:
+    # Create the slider
+    slider = tk.Scale(root,
+                      from_=0,
+                      to=2,
+                      orient=tk.HORIZONTAL,
+                      length=200,
+                      resolution=0.1,
+                      command=gen_speed)
+  elif open_switch == 6:
+    slider = tk.Scale(root,
+                      from_=-2,
+                      to=0,
+                      orient=tk.HORIZONTAL,
+                      length=200,
+                      resolution=0.1,
+                      command=gen_speed)
+  else:
+    raise ValueError(f"No switch has been hit or disconnected")
+
+  slider.pack(pady=20)
+
+  root.mainloop()