flat top • push-button capability • unlimited rotations • pins are right-angle to the knob, but you can connect them to a breadboard using male-female jumper wires • standard pin spacing: 2.54 mm (0.1"), working voltage: 0-5 V • type: incremental encoder • material: PCB + brass • cycles per revolution (CPR): 20 • dimensions: 26 x 19 mm • weight: 10 g