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Tutorials
Step-by-step, hands-on guides — how to use your tools, read your parts, and build clean, working circuits.
5 articles
Reading Resistors
Learn to decode four-band and five-band resistor colors, read common SMD codes, understand tolerance and power ratings, and verify values with a multimeter.
Soldering Basics
Learn soldering tools, through-hole joint technique, wire connections, desoldering, defect inspection, and essential soldering safety.
PCB Basics
Learn PCB design from schematic and footprint selection through routing, grounding, DRC, Gerber export, assembly, and first power-up.
Testing Capacitors
Learn safe capacitor testing using visual inspection, capacitance mode, resistance screening, ESR, leakage concepts, and in-circuit diagnosis.
Using a Multimeter
Learn to measure voltage, current, resistance, continuity, and diode drops with a digital multimeter while avoiding common setup and safety mistakes.