USB Detector Current Voltage 3V-9V Tester Double USB Row Shows
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1.7.4V lithium battery charging terminal can be directly inserted in the white terminal;
2.Connect the power supply to the blue terminal , the positive voltage can be 5~8.4V .
1.Connect the power supply to the board;
2.Connect the servo to the servo interface. "+"is positive, "-" is negative, "S" is the signal terminal;
3.Turning the knob, the servo will rotate synchronously;
4.There is an elastic button under the knob which can switch mode;
"Back to" is: back to the middle position;
"Manual" is: knob control.
1x Servo Tester