Re: [EE] Looking for serial high-side relay driver

James Cameron <[email protected]>
Newsgroups gmane.comp.hardware.microcontrollers.pic
Message-ID <[email protected]> 
Recently I used some Modbus RTU Relay modules from Waveshare to
control 32 relays from four modules of eight each.  Using a 32 relay
module would have been possible but would have made the wiring too
dense.  Microcontroller or a computer does then drive the RS-485 input
of the modules.
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