Hiwonder Digital Servo Tester Controller with Voltage Display

 Feature

• Voltage range: 5~8.4v.

• 2 Working modes: "Neutral Position" and "Manual".

• 2 Types of power supply: Connect positive and negative of lithium battery; Connect charging port by using lithium battery.

How to use:

• Power the tester

• Plug the servo to the servo interface. + is positive pole, - is negative pole, S is signal port; 

• The servo will rotate synchronously when you turn the knob.

• You can use the button below the knob to switch the mode and return to the middle position.

How to wire:

• Connect the charging port of the 7.4v lithium battery to the white terminal directly.

• Or connect the power supply to the blue terminal, positive voltage 5~8.4v is available.