chore

Author: zlj-zz

README.md

@@ -1,5 +1,9 @@
 # This is Python API for myCobot
 
+![Python 2.7](https://img.shields.io/badge/Python-v2.7%5E-green?logo=python)
+![Python 3](https://img.shields.io/badge/Python-v3%5E-green?logo=python)
+[![pypi_version](https://img.shields.io/pypi/v/pymycobot?label=pypi)](https://pypi.org/project/pigit)
+
 This is a python API for serial communication with mycobot and controlling it.
 
 [![home](./f3-min2.jpg)](https://www.elephantrobotics.com/en/myCobot-en/)

pymycobot/mycobot.py

@@ -180,7 +180,7 @@ def gpio_output(self, pin, v):
         """Set GPIO output value.
         Args:
             pin: port number(int).
-            v: Output value(int), 1 - GPIO.HEIGH, 2 - GPIO.LOW
+            v: Output value(int), 1 - GPIO.HEIGH, 0 - GPIO.LOW
         """
         self.gpio.setup(pin, self.gpio.OUT)
         self.gpio.setup(pin, v)