I have a 4 channel remote control, 4 servos, and a receiver sitting here not being used. I've been trying to think up some cool way to integrate this into my case... but so far everything I've thought ...

[fahadshihab], a young tinkerer, shared his circuit design for a simple remote control using 555 timers. Using a 555 calculator, he designed a clock circuit that would run at 11.99 Hz. Two transistors ...