STEVAL-MKIT04KA MEMS Sensors Gen 3 Sample Kit STMicroelectronics STEVAL-MKIT04KA MEMS Sensors Gen 3 Sample Kit comprises four different adapters. The STEVALMKI224V1 and STEVAL-MKI227A devices are contained in the STEVAL-MKI227KA adapter kit. The STEVAL-MKI235A device is contained in the STEVAL-MKI235KA adapter kit. The STEVALMKE003A is included in both the STEVAL-MKI227KA and STEVAL-MKI235KA adapter kits. All SMD devices are soldered on the boards. Male and female connectors must be manually soldered.