Less scratch work.
More building.
Small tools for the calculations that keep coming back. Explicit units, visible formulas and useful starting points for your next experiment.
Quaternion ↔ Euler angle converter
Convert roll, pitch and yaw in degrees to ROS-order quaternions, or normalize a quaternion and convert back. Explicit axis conventions and gimbal-lock handling.
Open calculator ↗02 ↗MOBILE ROBOTICSDifferential drive wheel speed calculator
Convert robot linear and angular velocity into left and right wheel angular speeds and RPM. For ideal two-wheel differential drive kinematics.
Open calculator ↗03 ↗PERCEPTION & DATAROS bag & sensor bandwidth calculator
Estimate camera and LiDAR throughput, network bandwidth and ROS bag storage. Model multiple cameras, message overhead and an assumed compression ratio.
Open calculator ↗04 ↗EMBEDDED & CONTROLEncoder resolution & wheel distance calculator
Calculate output-shaft encoder counts per revolution, angular resolution and ideal wheel travel per count using quadrature decoding and gearbox ratio.
Open calculator ↗05 ↗MECHANICAL DESIGNRobot joint static torque calculator
Estimate gravity torque for a point payload on a horizontal lever and the corresponding ideal motor torque through a gearbox.
Open calculator ↗Useful numbers. Better opportunities.
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