Adafruit Feather 32u4 Bluefruit LE with Stacking Headers (Assembled) _RPI_HAT_MotorServo The pump does not need

The pump does not need to be primed and in fact can self-prime itself with water a half meter with ease

Requires 9-12VDC power adapter (not included

Just plugin the Micro USB adapter and program it directly

or one uni-polar stepper

and this is ideal for battery applications where the sensor is powered off most of the time

Adafruit Feather 32u4 Bluefruit LE with Stacking Headers (Assembled) _RPI_HAT_MotorServo The pump does not needThis is the Adafruit Feather 32u4 Bluefruit our take on an 'all in one' Arduino compatible + Bluetooth Low Energy with built in USB and battery charging. It's an Adafruit Feather 32u4 with a BTLE module, ready to rock! Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. We have other boards in the Feather family,