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Pros & Cons
pros
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pros
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Servo Testing
Customers are overwhelmingly positive about the GoolRC HJ Digital Servo Tester's ability to effectively test and diagnose issues with their RC helicopter or airplane's servos. The tester is praised for its ease of use, versatility in handling both digital and analog servos, and useful features such as variable servo pulses and oscillating tests. Some customers have also found it helpful for testing ESCs and motors. However, a few users have noted the lack of a manual and suggested improvements such as better markings on the unit and a more sturdy build.
Easy Use
Customers find the GoolRC HJ Digital Servo Tester / ESC Consistency Tester easy to use, with most praising its simplicity and convenience. Some users note that it takes a bit of experimentation to master, but overall agree that it is an excellent tool for setting up RC helicopters and airplanes.
Highlights
Quality
The control knob rotates smoothly and works great.
Works great, accurate and very stable output
An ac adapter made it work seamlesslyunits i used on these photos:* hj servo tester (obviously)* longruner sg90 micro servo 9g*... Read More
- totally my mistake, be careful and pay close attention to the voltage you are using to power it!
Price
This is a nice little inexpensive servo tester that works well.
Shipping
This item was delivered on time and well packaged.
Once the battery carriage was delivered it i was able to successfully test all of my esc's.
Overview
- How are reviewers describing this item?
servo, great, good, negative and easy. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has discovered that over 90% high quality reviews are present.
- This product had a total of 159 reviews as of our last analysis date on Dec 19 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
The control knob seems pretty linear and the unit puts out pulses between 800 usec and 2200 usec
Posted by a reviewer on Amazon
There is no manual for it which is annoying but the pinout couldnt be simpler
Posted by a reviewer on Amazon
There are five sets of three pins
Posted by a reviewer on Amazon
The three pins are arranged vertically and the sets are arranged horizontally
Posted by a reviewer on Amazon
All of the pins that are toward the back of the unit are negative ground
Posted by a reviewer on Amazon
They are all common there is no difference between them
Posted by a reviewer on Amazon
All of the pins in the middle row are positive voltage
Posted by a reviewer on Amazon
They are all common to each other
Review Count History
Price History
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