An 8-way MOS driver output + 4-way passive contact input | 4IN8OUT

MODULE 13.2 4IN8OUT is an I/O expansion module with 8 MOS driver outputs and 4 passive contact inputs. It uses STM32F030 as the I2C I/O expansion chip, supports 9~24V power input, and has a built-in 5V DC-DC circuit.