Design, wire, and tune a line follower using IR sensors and PID.
A hands-on intro to P, I, D with live tuning on a DC motor.
Model and print parts for your robot in FreeCAD with PLA.


I build robots and break down the electronics, mechanics, and code behind them.


Honest takes on tools, kits, and components to help you choose wisely.


Step-by-step guides from soldering to PID control and ROS basics.