Remote-Control Excavator

Engineered and Built by Erik Sarkinen
Android Application to Control the Remote-Control Excavator
  • The App connects to the top circuit board wirelessly via Bluetooth.
  • The software controls twelve motor functions with four virtual joysticks.
  • The software has programmable delay to adjust the responsiveness of the robotic arm.
Servo Motor Circuit Board and Batteries. A Microchip dsPIC33 microcontroller and a Microchip BM78 Bluetooth module was used.
Stepper Motor Circuit Board. Two 433 MHz RF transceivers were used for inter-circuit board communication.
Servo Motor PCB Layout
Stepper Motor PCB Layout
CAD Assembly
CAD Gear Design
Over 200 hours of print time on my 3D printer to print the excavator parts