Basics
Components
Learn what a microcontroller is and how it differs from a computer. Understand CPU, memory,…
Learn basic soldering for robotics—choose the right iron and solder, master the perfect joint technique,…
Learn how to move robot circuits from breadboard to permanent form—compare perfboard, stripboard, terminal blocks,…
Master breadboard use for robotics—learn internal connections, power rails, component placement, common mistakes, and how…
Learn what pull-up and pull-down resistors do in robotics—understand floating inputs, how to choose resistor…
Learn to read resistor color codes for robotics—master 4-band and 5-band resistors, tolerance markings, preferred…
Learn why robot batteries die fast—understand current draw from motors, sensors, and logic, how to…
Understand why robot motors and logic need separate power supplies—learn about voltage sag, ground loops,…
Understand voltage regulators for robotics—learn how linear LDOs and switching buck converters work, when to…
Learn how to calculate robot power requirements—estimate current draw, build a power budget, size your…
Compare NiMH, LiPo, Li-ion, and other battery types for robotics. Learn voltage, capacity, C-ratings, safety,…
Master cable management in robotics—learn routing, strain relief, connector selection, and wire labeling techniques to…
Learn why robot chassis design is critical—explore stability, center of gravity, weight distribution, serviceability, and…
Master gear ratios for robotics—learn how to calculate speed, torque, and efficiency for spur gears,…
Learn how to choose robot wheels by diameter, material, tread, and type – from standard…
Compare plastic, wood, aluminum, and 3D printed materials for robot construction. Learn strength, weight, cost,…
Understand digital vs analog signals in robotics. Learn how each type works, when to use…
Learn how to read analog sensors in robotics—convert raw ADC values to real-world units, apply…
Understand PID controllers in robotics—how proportional, integral, and derivative terms work together to create precise,…
Learn the key differences between open-loop and closed-loop control in robotics. Discover how feedback transforms…
Understand robot kinematics from scratch. Learn forward and inverse kinematics, trigonometry for robot arms, workspace…
DC motor vs servo motor: learn the key differences, strengths, and weaknesses of each. Use…
Master stepper motors for precise robot positioning. Learn step modes, A4988, DRV8825 wiring, AccelStepper library,…
Learn what servo motors are, how they work, and when to use them in robotics.…
Master H-bridge motor control for bidirectional movement. Learn circuit operation, L298N, L293D, TB6612, PWM integration,…
Master PWM for robot motor speed control. Learn duty cycle, frequency, analogWrite, servo control, and…
Discover why sensor fusion makes robots smarter and more reliable. Learn complementary filtering, weighted averaging,…
Master touch sensors and limit switches in robotics. Learn contact detection, debouncing, safe homing routines,…
Learn how encoders give robots precise motion feedback. Master quadrature encoders, odometry, speed control, and…
Master infrared sensors in robotics. Learn IR proximity detection, line sensing, remote control, and complete…
