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Direction on building a serial relay interface
Here is something :) http://www.lvr.com/parport.htm- jtykka
- Post #6
- Forum: Programmable logic controllers (PLC)
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Direction on building a serial relay interface
Easy way to control some relays from VB is do it from LPT-port. If you have win95/98 there is no problem, you just set port signal on/off. I have made one stupid dll for this several years ago. If you'd like to have more relays than there are outputs, use multiplexing. Put some 'serial in sift...- jtykka
- Post #5
- Forum: Programmable logic controllers (PLC)
