I decided to design this when I was starting prototyping an other project, and wished I had something similar. After a quick, unsuccessful query on Tindie (this is something similar, but not designed for breadboard, and not OSHW), the next thing...
I have designed a PCB to use in My rc planes and drones. This card is supposed to; Get power from external LiPo battery, Reduce voltage to 5v and 3.3v, Drive 8 Servo motors through a Servo motor driver, Get PWM signals from STM32, Processing...