mot1639
Member level 1
Dear all ,
hope you are doing fine ,
I have keyboard with ribbon cable , which it has 32 pins to atemga328p and read multi input in same time , i read about CD74HC4067 mux/demux , but the issue with this chip i only read one single input at time , i mean if the pin1 and pin13 rise up , i can read one of them not both .. what the best solution to connect the keyboard ribbon cable with my atemga using extrernal chip .
the link show some connect this ribbon cable with Tennsy wich have enough pins to detect the change on the pins ...
thank you in advance and any suggestion will be appreciated
regards
hope you are doing fine ,
I have keyboard with ribbon cable , which it has 32 pins to atemga328p and read multi input in same time , i read about CD74HC4067 mux/demux , but the issue with this chip i only read one single input at time , i mean if the pin1 and pin13 rise up , i can read one of them not both .. what the best solution to connect the keyboard ribbon cable with my atemga using extrernal chip .
the link show some connect this ribbon cable with Tennsy wich have enough pins to detect the change on the pins ...
How to Make a USB Laptop Keyboard Controller
How to Make a USB Laptop Keyboard Controller: This Instructable will provide a step by step procedure for building a USB laptop keyboard and touchpad controller. I created this guide and video to hopefully make it easier for people to re-purpose an old laptop. A typical laptop relies on the mot…
www.instructables.com
regards