As a matter of fact there are many integrated circuits, such as 74HC595 shift-out register supporting this feature: it is daisy-chainable. If you take a look to the circuit scheme published in the ...

The Alphanumeric LCD for Arduino will be our first circuit: using only one component, ... a variable price around half dollar): the 74HC595. 74HC595 datasheet. As a matter of fact there are two types ...

The Casio SK-1 keyboard is fairly well-known in the “circuit bending” scene, where its simple internals lend themselves to modifications and tweaks to adjust the device’s output i… ...

Copied four-fold, this circuit joins the rows and columns of the 74HC595 to the keypad matrix. To scan across the four columns, the microcontroller performs an SPI transfer of the key value: 0x01.