Example Code for Python-Pinpong Library

When connecting this board to a PC via a USB cable, you can not only directly control it on PC, but also program in Python on multiple platforms like Windows, MAC, Linux, etc. to control motor or LED strip.

Software Preparation

• Windows platform: Install Python3.5+ (recommended newest version).
• Linux platform (Raspberry Pi): Most have pre-installed Python3, if not, install Python3.5+.
• Install Pinpong library: Run command pip3 install pinpong.

Sample Code

The program provides the basic controllable commands. You can select your program control method and coding platform, etc, as your actual needs.

# -*- coding: utf-8 -*-
'''
PWM frequency higher than 2K, there may be relatively large difference between the frequency and the set value. 
For frequency higher than 2K, please refer to the following frequency value: 
46875HZ, 23437HZ, 15625HZ, 11718HZ,
9375HZ, 7812HZ, 6696HZ, 5859HZ, 5208HZ, 4687HZ, 4261HZ,
3906HZ, 3605HZ, 3348HZ, 3125HZ,
2929HZ, 2757HZ, 2604HZ, 2467HZ, 2343HZ, 2232HZ, 2130HZ, 2038HZ,
'''

import time
from pinpong.board import Board
from pinpong.libs.dfrobot_dri0050 import DRI0050 # Import DRI0050 library from libs 

#Board("RPi").begin()  #RPi Linux platform 
Board("Win").begin() #windows platform

#pwmd = DRI0050(port="/dev/ttyUSB0") #RPi Linux platform
pwmd = DRI0050(port="COM12")  #Windows platform

print("version=0x{:x}, addr=0x{:x}".format(pwmd.get_version(), pwmd.get_addr()))
print("pid=0x{:x}, vid=0x{:x}".format(pwmd.get_vid(), pwmd.get_pid()))

while True:
  print("\n--------Inital Value------") 
  print("freq={}, duty={:.2f} enable={}".format(pwmd.get_freq(), pwmd.get_duty(), pwmd.get_enable()))  

  print("--------Set a new value------")  
  #pwmd.pwm(freq=860,duty=0.82) # freq(183HZ-46875HZ) duty(0%-100%)
  pwmd.set_freq(860) #(183HZ-46875HZ)
  pwmd.set_duty(0.82)#(0%-100%)
  pwmd.set_enable(1)
  print("freq={}, duty={:.2f} enable={}".format(pwmd.get_freq(), pwmd.get_duty(), pwmd.get_enable()))

  print("--------Restore to factory settings (366HZ, duty ratio 50%, disable output)-------\n")
  pwmd.pwm(freq=366,duty=0.5) # freq(183HZ-46875HZ) duty(0%-100%)
  pwmd.set_enable(0)
  time.sleep(5)