Servo Tester
105 - Astro Flight Inc.
Simulates a receiver so you can test your motors and servos without having to use a transmitter and receiver. It can send RC-PWM signal of 1ms to 2 ms in 20ms period. It connects to an ESC via three wires. The servo tester is powered by the BEC in your speed control or by a std 4 cell 5 volt receiver battery