Dubuque, IA Free Moderated Classifieds Site > OLD ADS FROM PREVIOUS YEARS
> 2004
> December
> Usb one channel relay unit ( serial controlled )
Usb one channel relay unit ( serial controlled )
A general purpose Relay board for connection to a PC's USB port using VCP (Virtual COM port).
Control devices using your PC.
For 12V/24V DC 15A or 120V/220V AC at 10A max.
'make sure the serial port is open
If .PortOpen = False Then .PortOpen = True
'make sure the serial port is open
If .PortOpen = False Then .PortOpen = True
private void button1_ON_Click(object sender, EventArgs e)
serialPort1.Write(new byte[] { 0xFF, 0x01, 0x01 }, 0, 3);
private void button1_OFF_Click(object sender, EventArgs e)
serialPort1.Write(new byte[] { 0xFF, 0x01, 0x00 }, 0, 3);
This item is assembled, tested and is in a working condition.
Item will be sent out in the order of
Please allow about 10-12 days for delivery
about 12-15 days for delivery to
