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Extremely spin serves with Tennirobo (corkscrew)

This weekend I took participation at our local tournament and I couldn't win the game with my opponent. Very sad news :-), isn't it?
Do you know why I lost? Because his serves had really strong spin. I just didn't know what I should do with it. But I have got my own Tennirobo (hehe...) - it is able to simulate any serves, and I'm definitely must use this ability to train myself. I hope the next time I will be ready for a fight!

As you probably understood, I want to share a new video about Tennirobo serves. This video is total experimentation with different types of spin, it shows all possible back and side spin serves. While my robot was shooting, I was changing shot settings. The result is below, enjoy!

TenniRobo review on PINGPONGBROS

I would like to share this great review about TenniRobo
It was made by Kevin James and his team from PINGPONGBROS. It is probably the most informative and useful review (at the moment) that I know.

Thank you, Kevin!

About the accuracy at various location - 3 shots drill

"What is the accuracy 🎯 of shots at a various location?" It's one of the most asked questions about the TenniRobo. Well, let's see together
This video shows the power of digital control over all ball parameters. In this video my robot works with a simple 3 shots drill:
serve with backspin to the left cornerloop (topspin) to the center zone"balloon" with backspin to the right corner
Quite accurate, isn't it?

IOS app released!

I have exciting news for you, friends!  I have got a lot of questions about the possible date of the IOS version releasing. Today I'm proud to tell you, that eventually, the IOS app is ready to use for all TenniRobo users

I've already uploaded it to the App Store, but it is in beta testing mode now and available only for testers.  If you already have your own TenniRobo and want to use it with your Apple iOS device, please contact me for details. I will send you a link to the app on the App Store.

As I promised, both apps (Android and IOS) have the same user interface - you don't have to change your habits, just use any your device. Here is a small demo movie with both apps

Please vote for us at Ukrainian hardware startups rating!

Dear friends!
I know, all you like the TenniRobo, and I try to improve it for you every day.
If you want to support me - you have a great opportunity! Please vote for the TenniRobo project at Ukrainian rating of the best 35 hardware startups -
Thank you!

Meet "Sample shot/drill" function! Android app version 1.06.2 released.

Before I tell you about the new app version, I have to apologize to all people who have been waiting for the next shipping batch. All this time I have been waiting for Bluetooth modules (for robot) from China - they were ordered in January, but UTEC shipping company hasn't delivered the parcel yet (although it has been in Ukraine since February...). Once I get them - I will contact all of you about payment and shipping.

Well, let's talk about the good news! I haven't wasted time  - I've been tightly working with the TenniRobo mobile app. So, I improved some quite important things and added a few really useful functions, according to your feedback. All users from the Alpha testing program can update the app from Googe Play now!
The new functions.My favorite new function - "Sample shot". Now you don't have to start a drill every time when you want to try a shot. Do you see this red button? :-) Well, when you press it, your robot makes one shot with current…

Exact ball speed and spin - the new unique feature of TenniRobo!

Have you ever thought about the speed of a ball in table tennis?  The table tennis is one of the fastest ball games you will ever play. Well-trained athletes can make a truly rocket speed pitches. But how fast they can be? This question bothered me a lot, thus a couple weeks ago I even posted a video on this topic on my Youtube channel:

I am proud to tell you, that with the last app update you are able to select the exact speed and spin for every ball - the unique feature which any other robot doesn't have! The maximum speed of a smash ball from TenniRobo is about 90kph (56mph). The maximum spin is more than fantastic 20000rmp! Why do we need this feature? Right now it's easy to measure your progress with digits! For example, if in this month you can handle 10% faster shots than in the previous - you are growing. But can you handle the same drill with 15% higher pace? This achievement will definitely please your coach!

If you are able to create shots with the required speed an…