Soldering basics
A practical sequence for tip preparation, heating the joint and feeding solder.
Workshop guides
From first measurements to moving a prototype onto a PCB.
Guides focus on completing a task rather than theory alone.
First value: every tool works without an account, and guides link directly to calculations.
All pages in this category
How to use a multimeter
Safe measurement of voltage, resistance, continuity and current.
First breadboard circuit
Build a simple LED circuit without mixing up rails or polarity.
Your first electronic circuit
From schematic and part selection to a safe first test.
How to read schematics
Symbols, nodes, ground and a practical reading order.
How to choose a resistor
Resistance, tolerance, power, voltage and resistor technology.
How to choose a capacitor
Capacitance, voltage, ESR, polarity and temperature stability.
Safe prototype power-up
A first-power-up procedure using current limiting.
Getting started with Arduino
First board connection, port selection and a simple I/O test.
Getting started with ESP32
Power, 3.3 V logic levels and safe pin use.
From prototype to PCB
Organise schematic, BOM and tests before ordering a PCB.
ESD protection in the workshop
Mat, wrist strap, safe workbench and component storage.