Articles
How the parts work, the numbers that matter, and the mistakes to avoid.
L298N, L9110S or TB6612: which motor driver?Four common motor drivers compared: supply voltage, current, the volts each one wastes, pins per motor and how each one stops. Which one suits a small robot with TT motors, and why.
Why your robot resets: batteries, current and brown-outs
How an ultrasonic sensor sees, and when it does not
TT gear motors: what the numbers mean
Servo motors explained: pulses, power and the Timer1 trap