Shift Register High-Power 8 Bit – TPIC6B595
Simple shift register IC that can control high-voltage/high-current devices directly! Clock in data and latch it to control devices like relays, motors, high-current optical devices, and more! Each channel can sink 150mA continuous, 500mA max.
Documents:TPIC6B595 Datasheet
Dave Newbo –
I bought these to power 4″ LED digits that normal driver (e.g. max7219) couldn’t cope with. Easy to use, handily take 12v (uses same power as my displays) and easy to drive from an Arduino. I have 4 in series, 1 for each digit. Bought from here becaus