That board is a simple control board for two DC motors (5-35V) or two other loads in combination with an Arduino. You can control each speed separately with one PWM output (pin 3,5,6,9,10,11). Every PWM has his own control LED, too.

Simpl-Output-Board_v3.1

• 2 MOS-FET RFD 3055
• 2 standard LEDs
• 2 diodes 1N4007
• resistors: 2 x 220 Ohm, 2 x 100 Ohm

The Simple-Output-Board was designed by Wolfgang Spahn 2011.
It is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.