SparkFun Stackable Header - 2x23 Pin Female Connectors Bridges & Bridge Parts Relay contact capacity (Heating): 10A

Relay contact capacity (Heating): 10A (max) 250 V

We even left a meter on to test the battery life - it lasted more than 170 hours (7 days) before the included 9V gave out

These are 155mm long jumpers

Encoders of this kind are often used in balancing robots and dead reckoning navigation but it could also be used as a very precise input knob

sensing area

SparkFun Stackable Header - 2x23 Pin Female Connectors Bridges & Bridge Parts Relay contact capacity (Heating): 10AThis is a 2x23 pin female PTH header, with extra long legs which makes great for stacking. This piece is in the common configuration for Beaglebone Black headers. Each pin has a spacing of 0. 1" in between each other. Documents: Datasheet