A TPIC6B595 (ebay) shift register has build-in mosfets, and can switch eight relays directly.
Coding/wiring is the same as a 74HC595.
Post a link to the relays you are planning to use.
Leo..
A TPIC6B595 (ebay) shift register has build-in mosfets, and can switch eight relays directly.
Coding/wiring is the same as a 74HC595.
Post a link to the relays you are planning to use.
Leo..