Tools

Interactive versions of the maths in the articles. Everything runs in your browser; nothing is sent anywhere.

• Mecanum wheel mixer

  Drag a virtual joystick and watch the four wheel commands, gear limits and start-duty remap the firmware applies.

• Battery runtime & discharge check

  Capacity, cell count and load → runtime, required C-rate, and whether the cell or protection board will give up first.

• DRV8833 ISEN current limit

  Sense resistor ↔ current limit, resistor power, and what it does to stall torque.