Robotics Knowledge Hub
The definitive engineering guides covering the three indispensable physical pillars of modern robotics: Motors & Actuation, Sensors & Perception, and Power & Energy Systems.
Featured Knowledge Topics
Click on any topic tile to read the complete technical guide with comparison tables, formulas, and code.
Motors in Robotics
Comprehensive guide to DC brushed, BLDC, stepper, and servo actuators with H-bridges, FOC, and torque-speed matching.
- DC Brushed & Coreless Motors
- Brushless DC (BLDC) & Field-Oriented Control (FOC)
- Stepper Motors & Microstepping (NEMA, TMC2209)
- RC Servos & Dynamixel Smart Bus Actuators
- H-Bridge Drivers, PWM & Back-EMF Flyback Protection
Sensors in Robotics
Master robotic perception: Proprioceptive IMUs and encoders alongside exteroceptive LiDAR, ultrasonic, depth cameras, and Kalman sensor fusion.
- Proprioceptive vs Exteroceptive Architecture
- Optical & Magnetic Encoders + 6/9-DOF IMUs
- Ultrasonic (HC-SR04) & Time-of-Flight (VL53L0X)
- 2D & 3D LiDAR (Triangulation vs ToF for SLAM)
- RGB-D Depth Cameras & Kalman Filter State Estimation
Power System in Robotics
Design reliable energy architectures: LiPo, LiFePO4, 18650/21700 cells, C-ratings, BMS cell balancing, DC-DC Buck/Boost regulation, and PDB protection.
- Battery Chemistries (LiPo, LiFePO4, Li-ion 18650)
- C-Rating, Discharge Curves & Power Budgeting
- Battery Management Systems (BMS) & Cell Balancing
- Switch-Mode DC-DC Buck/Boost Regulators vs LDOs
- Power Distribution Boards (PDB), Ground Loops & E-Stops
How the Three Pillars Connect in a Robot
Every autonomous system operates as a closed loop: Power provides clean electrical rails, Sensors capture environmental and joint telemetry, and Motors translate software commands into physical force.
1. Power System (Energy Bus)
Provides raw high-current battery power (12V–48V) to motor inverters while stepping down to ultra-stable 5V/3.3V logic rails with star grounding to prevent noise injection.
Explore Power Architecture2. Sensors & Telemetry (Perception)
Encoders measure wheel rotation ticks, IMUs quantify angular acceleration, and LiDAR + Depth Cameras map obstacles for real-time Kalman filter state estimation.
Explore Sensor Suite3. Motors & Drivers (Actuation)
H-Bridges, ESCs, and FOC inverters convert software PWM and velocity commands into mechanical torque, driving wheels, joints, and end-effectors with high efficiency.
Explore Actuation SystemsReady to apply this knowledge in hands-on projects?
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