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  • ashleywebb76 commented on Ufactory's instructable How to make a Ball Balancing Robot2 months ago
    How to make a Ball Balancing Robot

    This is such a clean build! If you're sharing your code, I'd appreciate it so much. Ashleywebb76@gmail.com Thanks!

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  • SainSmart InstaBots Upright Rover(Self-Balancing Robot With Arduino)

    I received the replacement board from SainSmart, which is very similar but has some differences. It does have the 3 potentiometers, the h bridge, MPU6050 and 24L01 so it seems like its made for similar functions as the original. My main concern is that the power connector does not indicate which connection is hot and which is ground. I just picked up a multimeter but have never used one and haven’t found any videos specifically showing how to determine the polarity. Any advice on determining which way the plugs would be greatly appreciated ?I did solder the regulator on as you suggested and was happy with it but then realized that an m7 diode rectifier was also missing (see picture) so Ive just been waiting for the replacement board from sainsmart. I did have to wait for it to com...see more »I received the replacement board from SainSmart, which is very similar but has some differences. It does have the 3 potentiometers, the h bridge, MPU6050 and 24L01 so it seems like its made for similar functions as the original. My main concern is that the power connector does not indicate which connection is hot and which is ground. I just picked up a multimeter but have never used one and haven’t found any videos specifically showing how to determine the polarity. Any advice on determining which way the plugs would be greatly appreciated ?I did solder the regulator on as you suggested and was happy with it but then realized that an m7 diode rectifier was also missing (see picture) so Ive just been waiting for the replacement board from sainsmart. I did have to wait for it to come from China but they shipped it the day after I contacted them, with a tracking number and I didnt have to send the original board back. I’ve learned a ton I wouldn’t have without the problems but hoping to get it up and running now. Thanks again for your help!

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  • SainSmart InstaBots Upright Rover(Self-Balancing Robot With Arduino)

    Thanks FlyinBob :) I'm picking up a fine point and I'll post the results. I also sent the above picture to sainsmart and they're sending me a replacement board.

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  • SainSmart InstaBots Upright Rover(Self-Balancing Robot With Arduino)

    Hi! I am so glad to find there is an active forum for this project ? The regulator (pictured below) was loose in the package. Should I solder it back on? From the back it looks like it was attached with an adhesive. I’m fine with doing it myself, though my only soldering experience is on wire and battery connectors.Ive got a 3 cell 11.1 Lipo and have wired a xt60 connecter to the VIN and ground. Im worried to connect it and fry anything. This is my first arduino project. Thanks so much!

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