PS2 keyboard chip, more inputs?

Author	Message
paceman Guru Joined: 07/10/2011 Location: Australia Posts: 1329	Posted: 02:59am 14 Mar 2012       How about these, MC74HC595A 8-Bit Serial-Input/Serial or Parallel-Output Shift Register with Latched 3-State Outputs http://www.nxp.com/documents/data_sheet/74HC_HCT595.pdf They use serial SPI out, not I2C but they're also cascadable. No input, just output but if that's what you want. Sparkfun even have a tutorial on them: http://www.sparkfun.com/products/10680 GregEdited by paceman 2012-03-15