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Trying to find the simplest way to move a servo using an android phone via USB. Have tried a few apps, but so far no luck.

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(@salukikev)
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Joined: 2 years ago
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The premise for the latest attempt is use of an audio output (via OTG adapter) to drive a servo or servos.  "PWM Buddy" sounds great for what I want to do which is:

Guide a glider toward a pre-determined destination using a tiny (PVG100 Palm) android phone.  I'll add a microcontroller in between if need be (tiny85?) but in a perfect world I'd just be able to plug it in direction.  The idea was to control a single servo operated rudder and carry the tiny phone along.  If I can do that, I can use the phone's internal camera and plethora of sensors to manage all kinds of data- but it all depends on getting that servo to work somehow.   Yes, I could use a bluetooth sheild or module or whatever but since I'm pulling power from the USB-C anyway, it would be great if I could just get that servo going via the same means.  Just trying to keep it simple.

Other options include this "ESC & Servo Controller" which also sounds pretty great but it never detects a device.  (Yes, I loaded the code onto an arduino nano).

I guess it needs a device to be in host mode but that sounds like it shouldn't be too hard.

I've also started looking at various "app maker" apps, but so far nothing has worked to control a servo.

help?

 


   
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Ron
 Ron
(@zander)
Father of a miniature Wookie
Joined: 3 years ago
Posts: 6546
 

I wasn't aware you could send and receive data like that through that connector. Is there a name you can search for in the library manager?

First computer 1959. Retired from my own computer company 2004.
Hardware - Expert in 1401, and 360, fairly knowledge in PC plus numerous MPU's and MCU's
Major Languages - Machine language, 360 Macro Assembler, Intel Assembler, PL/I and PL1, Pascal, Basic, C plus numerous job control and scripting languages.
Sure you can learn to be a programmer, it will take the same amount of time for me to learn to be a Doctor.


   
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