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R23 Tracked Loader

The video about R23


About the tracked loader

Rover R23 Tracked Loader
Figure 1:
R23 is my first rover that cannot be remote-controlled via the internet. I originally printed the vehicle from recycled plastic as a demonstration unit for my direct granule extruder, and later converted it into a tracked loader.
The rover's "brain" is an Arduino GIGA WiFi. An Arduino UNO R4 WiFi or Uno Q could also be used, though the mounting points would need to be adjusted accordingly.
Two continuous-rotation servos power the tracked loader, while a standard servo operates the arm and a mini-servo controls the excavator bucket.

Rover R23 Tracked Loader: bottom view
Figure 2:
A small circuit board with the connections for the servos is located on the underside.

Rover R23 Tracked Loader: rear view
Figure 3:
The tracked loader is powered by a power bank:
One output is used for the 4 servos, while the second output powers the Arduino GIGA. This allows the tracked loader to be operated for several hours.

Rover R23 Tracked Loader: control unit
Figure 4:
To allow both children and those young at heart to operate the vehicle at future trade fairs, I have built a remote control unit. Its housing is also made from recycled plastic.

Rover R23 Tracked Loader: inside of the control unit
Figure 5:
A second Arduino GIGA WiFi handles the transmission of control commands. The tracked loader can be operated using two joysticks, left over from my crane project.

Teileliste:


Part Pieces Remark
Arduino GIGA WiFi 2 UNO R4 WiFi or UNO Q should work, too, but require to modify the mount points.
Arduino GIGA Display Shield 1 Touchscreen
Servos for continuous rotation 2 Drive
Standard Servo 1 Arm movement
Mini Servo 1 Bucket movement
Powerbank 2 Energy supply for Rover and control unit
PETG Filament 1 I have printed with recycled plastic
Joysticks 2 Mine are from RS.
Buzzer 1 Sound signals (optional).
Prototype board 1  


Circuit

Rover R23 Tracked Loader, circuit
Figure 7:


Software / Download

The circuit, the Arduino sketches and the 3D files are included in the download package.



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