IvanIvan Posted April 21 Posted April 21 Hello everybody, I have a quick question to ask, I just got my new buwizz 3.0 and I have trouble controlling two PF servo motors. Everything else works fine ( PF L motors, led lights ) but it won't steer the car. The Servo motors are fine becsue they work on battery box but they just won't turn when I connect them to buwizz. They just make some noise but don't turn. I've tried everything. Please help. Thank you. Quote
IvanIvan Posted April 22 Author Posted April 22 Yes, they are original. I have two of them and two buwizz 3 pro units. One is controlling right servo motor and the other is controlling left servo motor. And I just can't seem to figure out how to get them to rotate and work properly with buwizz. They even won't rotate when I press the test option in the app. They just make some noise like they get power from buwizz, but no movement. But they work with battery box normally. Quote
Zerobricks Posted April 22 Posted April 22 (edited) Are you using a normal slider to control them? Can you post a photo/video? EDIT: I tested a 3.0 on my own PF servos, no issues, I recommend setting the ramp to 0 for even better response. Edited April 22 by Zerobricks Quote
IvanIvan Posted April 22 Author Posted April 22 I'm using a horizontal slider that goes back to center to control them. And yes I did set the ramp to 0. I will post a photo and probably a video as soon as possible which is on friday so you can see how it looks like. But can you describe the process of connecting PF servos to buwizz 3.0 in a couple of steps, for example do I need to use the tracked steering module or just connect the slider to a specific port ? I wasn't able to find it anywhere on youtube. Quote
Zerobricks Posted April 22 Posted April 22 Just connect a horzontal slider directly to the PF output, no modules needed. Quote
IvanIvan Posted April 23 Author Posted April 23 I tried that, but it didn't work. I will try it again and send the video. Quote
IvanIvan Posted Friday at 11:47 AM Author Posted Friday at 11:47 AM I can't send the video, it says it's too big. But I've tried connecting servos to PF ports and then it works. But why can't I have them connected to PU port with cable adapter? That's how I connected them the first time. Quote
Aurorasaurus Posted Friday at 11:50 AM Posted Friday at 11:50 AM 2 minutes ago, IvanIvan said: I can't send the video, it says it's too big. But I've tried connecting servos to PF ports and then it works. But why can't I have them connected to PU port with cable adapter? That's how I connected them the first time. The PF ports provide power on all 4 pins which the servo requires. The adaptor only provides power on the middle 2 pins. Quote
Zerobricks Posted Friday at 12:23 PM Posted Friday at 12:23 PM Like @Aurorasaurus said, PF Servos require supply voltage and use PWM pins only for positioning. Quote
IvanIvan Posted Friday at 03:22 PM Author Posted Friday at 03:22 PM Ok. But what about this ? I tried connecting servos like this and it completely blocks. The engine which is composed out of 6 L PF motors cracks. And servos do not turn. Did I connect something wrong? Quote
IvanIvan Posted Friday at 03:46 PM Author Posted Friday at 03:46 PM One more question. Is it ok to connect 3 L PF motors on A port of one buwizz unit and the other 3 motors on A port of other unit? And then connect servos to B ports of each unit? That's the only combination I found that works since I have plenty of lights connected to other PU ports. Quote
Zerobricks Posted Friday at 04:50 PM Posted Friday at 04:50 PM Those are not original Power Functions servos, so I can't tell you what the issue is. Quote
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