ZITRADES NEW MMA7455 Accelerometer Sensor Module AVR ARM MCU with super quality NEW MMA7455 Accelerometer Sensor Module AVR ARM MCU with super quality Onboard MMA7455 digital output (I2C/SPI), low power, compact capacitive micromachined accelerometer; Common pin, pin standard 100mil (2.54mm), easy for the matrix board; Support 5V/3.3V input , onboard RT9161, lower pressure drop than the 1117, faster load the appropriate speed, ideal for noisy power environment; PCB size: 26 (mm) x14 (mm)