Merge pull request #56 from FoamyGuy/setsysparam_sleep

wait after set_sysparam

Author: FoamyGuy

adafruit_fingerprint.py

@@ -30,6 +30,7 @@
     pass
 
 import struct
+import time
 
 from micropython import const
 from busio import UART
@@ -171,6 +172,7 @@ def set_sysparam(self, param_num: int, param_val: int) -> int:
             self.security_level = param_val
         elif param_num == 6:
             self.data_packet_size = param_val
+        time.sleep(0.25)
         return r[0]
 
     def get_image(self) -> int: