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Dual Extruder Changing Servo

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Posted · Dual Extruder Changing Servo

I'm actually constructing a new printhead with a dual extruder and a lifting system. Therefore I need a servo.

1. Has the Ultimaker 2 board a free PWM connector?

2. Can I use every RC Servo on these PWM connector?

3. Do I need a special PWM Servo driver?

And an additional question because I want to change the fan system. The Ultimaker 2 fans are powered by 12V, arn't they?

Thanks for informations,

Marc

 

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Posted · Dual Extruder Changing Servo

https://github.com/Ultimaker/Ultimaker2

here's most of the info on the UM2.

the side fans are 12V (in series on 24V power supply) the back fan (hot end fan) is 5V.

I'm no expert n Servo's but I guess a normal RC servo would do, next question would be how do you control it from G-code/marlin ?

 

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Posted · Dual Extruder Changing Servo

OK I'm no electronic engineer! I can only see two pwm connectors used for fan and led. Am I right that's there no pwm connector left for a servo on the Ultimaker2 mainboard?

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Posted · Dual Extruder Changing Servo

The only two gcode controlled pwn connections on um2 (as far as I know) are led and fan yeah.

For just pwn there's a 24v (designed for board cooling fan). But can't be controlled it's always on.

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