Don't spin freely on idle

stechuhr_client/client.py

@@ -150,6 +150,8 @@ def process_request(output_queue, config=None, logger=None):
             else:
                 logger.info("Server Response: Failed")
                 dispatch_led("failure", config)
+        else:
+            time.sleep(0.5)
 
 
 def send_request(verified_id, config, logger) -> bool:
@@ -298,6 +300,7 @@ def read_key_input(input_queue, config, logger):
             cardreader.close()
             logger.critical("Exiting because of {}".format(e))
             exit(0)
+        time.sleep(0.1)
 
 
 def main():
@@ -333,6 +336,8 @@ def main():
             else:
                 logger.warning("Didn't register as a valid ID: {}".format(potential_id[:1024]))
                 dispatch_led("failure", config)
+        else:
+            time.sleep(0.5)
             
 
         time.sleep(0.01)