Read temperatures every 10ms

I suspect the load controller at some point hung up because it couldn't
write more data to the PC.

load_controller/load.py

@@ -42,3 +42,6 @@ class Load(QObject):
         msb = curr_quants >> 8
         lsb = curr_quants & 0xFF
         self.dev.write(bytes((msb, lsb)))
+        r = self.dev.read_all()
+        read_bytes = 0 if r is None else len(r)
+        print(f"Read {read_bytes} bytes from load controller")

load_controller/temperatures.py

@@ -22,7 +22,7 @@ class Temperatures(QObject):
 
     def run(self):
         while True:
-            time.sleep(0.1)
+            time.sleep(0.01)
             self.dev.read_until(START_OF_TEMPS)
             data = self.dev.read(N_SENSORS * 2)
             temps = struct.unpack(f">{N_SENSORS}h", data)