Electrical properties of Servos used in radio controlled (R/C) toys or robots.
connectors
3 Pins:
- GND: (black or brown)
- Supply voltage: differs, but most servos work at 5V (red)
- Signal: white, orange or yellow
control signal
repeats at 50Hz, 1ms to 2ms High (5V) - remaining time is Low (0V)
sources
cheap sources:
ebay: 2€ including shipping from china in lots of 6 or 12 pieces.
conrad: cheapest model at 5€