SparkFun Servo pHAT for Raspberry Pi _MAKE_PROTO_ACC 44 digital I/Os and numerous

44 digital I/Os and numerous digital interface peripherals

It's the 4-H Circuit Playground Express Base Kit

It also includes a LIS3MDL 3-axis magnetometer that can sense where the strongest magnetic force is coming from

1 x 3V micro servo motor

it is compatible with other boards when used with an adapter:

SparkFun Servo pHAT for Raspberry Pi _MAKE_PROTO_ACC 44 digital I/Os and numerousThe SparkFun Servo pHAT for Raspberry Pi allows your Raspberry Pi to control up to 16 servo motors in a straightforward and uncomplicated manner via an I2C connection. Thanks to its I2C capabilities, this PWM HAT saves the Raspberry Pi's GPIO pins, allowing you to use them for other purposes. The Servo pHAT also adds a serial terminal connection, which will allow you to bring up a Raspberry Pi without having to hook it up to a monitor and keyboard. We