Free Course — No signup required

Circuit Basics
in 5 Days

Voltage, current, resistance, capacitors, and breadboard projects — the foundation of all electronics from microcontrollers to PCBs.

5 lessons
Self-paced
~60 min/day
Free forever
No account needed
Start Day 1 — Free → See what's covered
What you'll learn

Circuit Basics in 5 Days

Free 5-day electronics course. Voltage, current, resistors, capacitors, and hands-on breadboard projects.

  • Apply Ohm's Law and Kirchhoff's laws to real circuits
  • Calculate resistor values for voltage dividers and LEDs
  • Understand capacitor behavior in DC and AC circuits
  • Read schematic diagrams and component datasheets
  • Build working circuits on a breadboard
  • Use a multimeter to measure voltage, current, and resistance
Ohm's
Law
Breadboard
projects
5
lessons
$0
cost
5-Day Curriculum

Every lesson has a real exercise.
No theory without practice.

01
Voltage, Current & Resistance
Ohm's Law, series/parallel circuits, voltage dividers, Kirchhoff's laws
Ohm's LawKVLKCL
→
02
Resistors in Practice
Resistor types, color codes, tolerance, pull-up/pull-down, current limiting
color codespull-upcurrent limiting
→
03
Capacitors
Capacitance, charging/discharging, RC time constant, decoupling, filtering
RC time constantdecouplingfiltering
→
04
Reading Schematics
Schematic symbols, net labels, power rails, reading datasheets, component selection
schematicsdatasheetsnet labels
→
05
Breadboard Projects
Build an LED blinker, voltage divider, and RC filter on a breadboard
LED circuitbreadboardmultimeter
→
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Your instructor
B
Bo Peng
Founder, Precision AI Academy

Kaggle Top 200 data scientist. Trained 400+ professionals across universities and federal agencies. Built production systems at scale. This course is practical first — every lesson has working examples and an exercise you can finish in under an hour.

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