MCP23017 Went Through Shortage Hell, Lost Two Inputs
The MCP23017, a 16-bit I2C GPIO expander, has always been a tasty chip. With 16 GPIOs addressable over I2C, proper push/pull outputs, software-enabled pull-ups, eight addresses, maskable interrupts for all …read more Continue reading MCP23017 Went Through Shortage Hell, Lost Two Inputs