Electronic Components
4 Channel Optocoupler Isolation Board
4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V (PC817) Features :Using 4-way 817 optocoupler, to achieve the control signal and the control signal isolation, you can directly use the micro-controller or other devices IO port to achieve voltage isolation control, you can achieve a small voltage control, the control side can be an external transistor MOS tube or different voltage levels of the device interface
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advanced Sample Code for ACB's
this is not for this product
#Setup Comms ser = '' try: ser = serial.Serial(port='/dev/ttyUSB0', baudrate=9600, timeout=5) print("This Arduino is using serial port /dev/ttyUSB0") except: ser = serial.Serial(port='/dev/ttyACM0', baudrate=9600, timeout=5) print("This Arduino is using serial port /dev/ttyACM0")
advanced Test 2 Dont Use
testttt
if os.path.exists("scanCount.txt"): f = open("scanCount.txt") if os.path.getsize("scanCount.txt") == 0: counter = 0 else: counter = int(f.read()) f.close() if os.path.exists("scanCount.txt"): f = open("scanCount.txt") if os.path.getsize("scanCount.txt") == 0: scanCount = 0 else: scanCount = int(f.read())
4 Channel Optocoupler Isolation Board
Driving Port Signal Voltage: 3.6-24V Output Port Voltage Port: 3.6-30V Jumper Cap Can Achieve Output Port Is High Potential Or Pull Down Output Onboard 4-Channel 817 Are Independent:can achieve different voltage control at then same time
