Compact Servo Switch Drive
admin | 23.03.2026
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This model of a compact servo switch drive, created in Tinkercad, is designed for surface mounting and is specifically compatible with Arnold switches. The drive rods can be adapted for other systems as needed. SG90 servos are utilized.
After printing, the rods may require deburring to prevent binding in the guides. A file named ServoWeichenPos.ino is included for testing and calibrating the switches, compatible with Arduino UNO or similar controllers. A button allows toggling between 'Servo Address' and 'Servo Deflection' modes.
Using a potentiometer, you can set the addresses and movements of the servos, which are displayed on the screen. When a servo is selected, power is supplied, and it can be interrupted by pressing the button again. With up to 4 PCA9685 controllers, you can address up to 64 servo addresses. For more than 2-3 servos, it is recommended to connect a separate 5V power source to avoid overheating the Arduino regulator.
Note: The PCA9685 has a dedicated terminal block, or you can use the +V pin.
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Information
- Author: admin
- Date: 23.03.2026
- Category: 3D Printing
- Views: 5
- Downloads: 33
- Likes: 0
- Images: 47
- Files: 16
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