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Aliexpress Timegrapher

 

 
I recently purchased an inexpensive timegrapher off of Aliexpress, in order to improve the accuracy of a watch that has been losing considerably more time than my other watches. The included instructions are in Chinese which was less than handy, fortunately there are numerous tutorials on YouTube on using a timegrapher. You can use it with the Android app
 TICKOPRINT  

It also works with the Windows program TimeGrapher TG 


although I had to go into my system settings and adjust the microphone volume all the way up in order to get the windows software to work.


 If you are still having problems, there is an internal volume potentiometer connected to the op amp. Adjusting it as pictured increases the volume. To get access remove bottom pads and the 3 screws on bottom.

Here is a link to the timegrapher guide I am using to attempt to fix my watch.


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