Stepper motors use a cogged wheel and electromagnets to rotate the wheel one ‘step’ at a time. Each HIGH pulse sent to the A4988 stepper driver energises the coil, attracting the teeth closest to the ...

Cut the sides of the small cup into four equal parts. Remove the base to create four curved pieces that will be the blades of the wind generator. Use hot glue to attach two craft sticks together at ...

Use a multimeter to check for dead shorts between each power pin and GND: If all good, plug in Pico ATX PSU, short the two pins on the switch header, and plug in 12V power. The PSU should turn on, ...

NOTE: For the previous major version of the OSR, please see v3.1.0. The JPL Open Source Rover is an open source, build it yourself, scaled down version of the 6 wheel ...