SparkFun Polarized Connectors - Housing (4-Pin) Parts Our 350 GPH pump does

Our 350 GPH pump does not have enough pressure for this valve

One of the nice features of this board is a jumper on the back of the board that allows the board to be configured to either 3

photo resistor

This FSR can sense applied force anywhere in the range of 100g-10kg

SparkFun Polarized Connectors - Housing (4-Pin) Parts Our 350 GPH pump doesPolarized connectors and headers for your perf board PCB projects. Use these connectors for power connections or any sensor general connection to prevent users from connecting the peripheral incorrectly or reversed. This is for the female housing. Be sure to order the mating header and crimp pins! Pins have standard . 1" spacing.