16 channel servo driver

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test-rc
 
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Joined: Fri Dec 07, 2012 7:45 pm

Re: 16 channel servo driver

Post by test-rc »

Hi!

I received the servodriver and tested it with the arduino due, but the servo is not moving. When i connect V+ the servo is twitching, but after that it's doing nothing. It is also not holding the position, i can turn the servo freely.

I tested the servo example from the adafruit homepage. On the serial monitor i can see the servonumber-output. The driver is connected to the arduino like described in the online tutorial.

The led on the servodrive is burning.

Any idea what's goning wrong?

B.R. Dieter

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adafruit_support_rick
 
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Re: 16 channel servo driver

Post by adafruit_support_rick »

The Due is still very much a work in progress, and we haven't tested our boards with it. We only recommend the Due to people who are comfortable with hardware hacking.

Do you have a regular arduino, like a Uno, that you can test the servo driver with?

Also, if you post some clear, detailed pictures of your assembly and wiring, we will check it for any problems.

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test-rc
 
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Re: 16 channel servo driver

Post by test-rc »

Hi!

No, unfortunately i have just the due.

My assembly: I connected a 5,5V power supply to the blue terminal block (V+ and GND) of the servo driver.

The arduino is connected in this way:

Arduino Servodriver
3,3V ----------------Vcc
GND ---------------- GND
A4 ------------------ SDA
A5 ------------------ SCL

A4 and A5 means the analog in of the due.

Should this be ok?

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adafruit_support_bill
 
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Re: 16 channel servo driver

Post by adafruit_support_bill »

A4 and A5 means the analog in of the due.

Should this be ok?
No. The pinout of the Due is different that any other Arduino. http://arduino.cc/en/Main/ArduinoBoardDue
It has 2 i2c ports. One on pins 20, 21 and the other on pins SDA1 and SCL1.

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test-rc
 
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Re: 16 channel servo driver

Post by test-rc »

Fantastic! It works :D

On Ports 20 and 21, works fine!

Thanks for the fast helping!

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