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Morning, I have 2 xbees communicating. on the "receiver" there isn't enough outputs for me to drive 7 relays. I bought a 28/40 proto board, with a 28x chip in it to do the job of outputting. I don't need to know whether the 28x has outputted, just need to send the data to it. Is it possible...

Hello, Ive made up a variboard with 7 relays on it. I'm planning on using the relay interface circuit as found in the manuals. The relays are 5v but wanted them on a separate battery to the PIC, so there is just an input from the pic with the 0v common. When I plug in my battery ( with the...