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0104110000008541
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4 Channel Relay Module with Micro USB can be controlled via USB or serial interface.
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This product is a module with 4 power relays with which you can automate your home appliances, each relay can control powers up to 2.5kVA.
The advantage of this module is that it can also be controlled via USB by a computer. USB to serial conversion is based on the PL2303 integrated circuit.
Set virtual serial port parameters:
/bin/stty -F /dev/ttyUSB0 9600 raw -echo
Device initialization:
echo -ne "x50x51" > /dev/ttyUSB0
Example of relay status change:
echo -ne "x51xA0" > /dev/ttyUSB0
echo -ne "x51xAB" > /dev/ttyUSB0
The last digit in the second hexadecimal number controls the status of the relays.
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