The BMBO1 is an input and output control port (I/O) expander for the VAR series of routers. Voltage: 18 ~ 40 VDC. Dimensions (mm): 105 x 156 x 58. Weight (g): 300. Temperature (°C): -5 ~ +50 .

There are easy ways of getting more I/O pins for any project; shift registers, I2C expanders ... Andrews], and allows anyone to control the input and output pins of two Arduinos with the same ...