Hi, I'm currently working on a project which involves at least 16 buttons and 16 LEDs. For the sake of example, I'll say it's 2 rows of 8 buttons and 2 rows of 8 LEDs. Because of the fact that the Arduino simply doesn't have that many IO pins, I'm planning on using shift registers for the buttons …

Shift Registers and Arrays?

CrossRoads May 7, 2014, 5:16am 6

Need a library for 6 lines of code? Seems like overkill.

Topic		Replies	Views
Led shift out LEDs and Multiplexing	5	1746	May 6, 2021
16 bit shift register parallel out...? LEDs and Multiplexing	7	3560	May 6, 2021
Shift Registers - shifting in an array of bits LEDs and Multiplexing	10	8781	May 6, 2021
Push Button Array LEDs and Multiplexing	25	24040	May 6, 2021
Shift register qeustion suspect i have lack of fundamental knowledge Programming	3	1532	May 5, 2021