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Explore guides organized by technology and complexity
Power Supplies
Voltage regulation, LDOs, and switching regulators.
3 ArticlesWireless / IoT
WiFi (ESP32), Bluetooth, and LoRa protocols.
1 ArticleMCU Deep Dives
Registers, Timers, GPIO pins, and Interrupts.
3 ArticlesAI & Vision
Machine learning cameras and computer vision projects.
1 ArticleSafety & Tools
Multimeter usage, ESD protection, and workshop safety.
2 ArticlesSensors
Distance, motion, and environmental sensing technologies.
2 ArticlesMotors & Actuators
DC motors, servos, steppers, and mechanical actuators.
1 ArticleMechanical Design
Linkages, mechanisms, and mechanical engineering basics.
1 ArticleLatest Guides & Projects
Stay updated with the newest electronics tutorials
Mechanical Linkages for Makers: A Complete Guide
Essential guide to mechanical linkages. Learn about rack and pinion, four-bar, crank-slider, and cam mechanisms for your projects.
How to Choose the Right DC Motor for Your Project
Complete guide to selecting DC motors. Learn the differences between brushed, brushless, and geared motors for your maker projects.
PWM Frequency Depth: Beyond Duty Cycle
Understand how changing the frequency of a PWM signal affects different electronic loads like LEDs and motors.
Mastering Hand Soldering: Best Practices for THT and SMT
Master professional hand soldering techniques. Learn about flux, ideal temperature settings, and how to judge perfect joints.
Why ESP32 GPIO Pins 34-39 Don't Work as Outputs
Learn why GPIO 34-39 are input-only, the hardware reasons behind it, and alternatives for your projects.
Common Multimeter Mistakes That Damage Circuits
Avoid the 10 most common multimeter mistakes that destroy circuits, blow fuses, and damage components.
N-Channel MOSFET: The Ultimate Switching Transistor
Master the N-channel MOSFET — how it works, why it beats P-channel and BJT, with practical circuit examples.
Complete Guide to Distance Measurement Sensors
Master ultrasonic, IR, laser ToF, and industrial distance sensors with code examples and comparisons.
Project Power: Guide to Li-Ion, LiPo & LiFePO4
A deep dive into the pros, cons, and safety of the most popular rechargeable batteries for makers.
Getting Started with ESP32-S3 & Micropython
Setup your environment and write your first wireless IoT code on the powerful S3 chip.
Interfacing I2C Sensors: A Precision Guide
Best practices for pull-up resistors, address conflicts, and bus stability in complex I2C networks.
Pull-Up & Pull-Down Resistors Guide
Learn how to stabilize your digital inputs and prevent floating pin issues in your circuits.
Understanding PWM for High-Power Loads
A comprehensive guide to Pulse Width Modulation and MOSFET switching for high-current motors.
HuskyLens AI Camera: Complete Guide
Master the HuskyLens AI camera module — features, AI modes, project ideas, and sample code for object tracking.