Arduino Analog I/O Multiplexer. 15 Comments . by: Al Williams. June 9, 2018. ... and then just change A0-A4 to select the input. Of course, with 500 input and multiple of these chips, ...

An Arduino Pro Micro provides a USB interface to a PC and reads out the various input units. The entire design is modular, so it can be customized to any desired combination of analog and digital ...

It is equipped with 32 Inputs (16 x digital 4-30V, 8 x analog 0-10V, 4 x analog 0-5V, 4 x analog 4-20mA) and 20 Outputs (8 x relay 250V/5A, 2 x open-collector 30V/1A, 8 x analog 0-10V) and offers ...