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BV4531U 6 way USB relay

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This is a 6 way serial interface relay for use with a controller or PC as it has a USB interface. The USB uses a CH340 type Virtual COM Port.

  • 5V supply

  • Relay action (on or off) can be timed 1 second to 18 Hours

  • Requires only 2 control wires (TX/RX)

  • Fitted with 10A relays

  • Size 60mm x 85mm (height approximately 20mm)

The device is very simple to drive using text commands, for example to turn on relay A the command is <esc>oA
<esc> is the value 27 (escape key)

For full information about the device see the Web Page Details

There is also
BV4531 - Serial interface
BV4531U - Serial interface with USB (this)
BV4532 - I2C interface

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