ðCUEA USB Relay Module, Jogself Locking USB Relay Control Switch for Industrial HomeãCUEA USBãªã¬ãŒã¢ãžã¥ãŒã«ããžã§ã°ã»ã«ãããã¯USBãªã¬ãŒå¶åŸ¡ã¹ã€ããç£æ¥å®¶åºçš
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NO (Normally Open, éåžžé): ã¹ã€ããããªã¬ãŒãç¡äœåç¶æ ã®ãšãã«æ¥ç¹ãéããŠãããé»æµãæµããªãç¶æ ãæããŸããæäœã«ãã£ãŠæ¥ç¹ãéããé»æµãæµããããã«ãªããŸãã
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NCïŒNormally ClosedïŒ: éè²ãé»è²ã䜿çšãããããšããããŸãããããã¯ããŸãäžè¬çã§ã¯ãªãã補åãæ¥çã«ãã£ãŠç°ãªãããšããããŸãã
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Pythonã䜿ã£ãŠCH340ããããæèŒããUSBãªã¬ãŒãå¶åŸ¡ããã«ã¯ãpySerialã©ã€ãã©ãªããã䜿ãããŸãã以äžã«ãã®äŸã瀺ããŸãïŒ
import serial
import time
# COMããŒããé©åãªãã®ã«çœ®ãæããŠãã ããïŒWindowsã§ã¯'COM3'ãªã©ãLinuxãMacã§ã¯'/dev/ttyUSB0'ãªã©ïŒ
com_port = '/dev/ttyUSB0'
baud_rate = 9600 # ãªã¬ãŒã®ä»æ§ã«å¿ããŠé©åãªããŒã¬ãŒããèšå®ããŠãã ããã
# ã·ãªã¢ã«æ¥ç¶ãéå§
ser = serial.Serial(com_port, baud_rate, timeout=1)
# ãªã¬ãŒãONã«ããã³ãã³ãïŒããã€ã¹ã«å¿ããã³ãã³ãã«çœ®ãæããå¿
èŠããããããããŸããïŒ
relay_on_command = b'\xFF\x01\x01'
# ãªã¬ãŒãOFFã«ããã³ãã³ã
relay_off_command = b'\xFF\x01\x00'
# ãªã¬ãŒãONã«ãã
ser.write(relay_on_command)
time.sleep(1)
# ãªã¬ãŒãOFFã«ãã
ser.write(relay_off_command)
# ã·ãªã¢ã«æ¥ç¶ãéãã
ser.close()
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