Courses
10 free courses. Every lesson is a working circuit you measure and change, not a video.
Zen’s Electronics Design Mastery
Personal track · about 60 h. Design and build connected, solar-powered electronics, from Ohm’s law to an IoT capstone.
Electronics Fundamentals
Starter · about 10 h. Use a multimeter safely, predict voltages and currents in simple circuits, and wire LEDs, batteries and switches correctly.
Electronics Technician
Technician · about 30 h. Measure, test components, build and repair power supplies and control circuits, and find faults methodically.
Electronics Engineering
Engineering · about 45 h. Analyse linear networks, design filters, amplifiers and oscillators, and confirm designs with frequency-response and sweep tools.
Solar PV Systems
Practitioner · about 12 h. Size, wire, protect, ground, commission and troubleshoot a solar system to PEC/NEC 690, and prove it on the bench: three graded exams…
Embedded & IoT
Intermediate · about 20 h. Write ESP32 sketches that read sensors, drive actuators, survive faults, sleep on batteries and report to the cloud.
Electronic Components, One Build at a Time
Starter · about 6 h. Know the fourteen components every circuit is made of: read them, test them with a meter, and use each one, ending with a solar-powered…
House Wiring Basics
Starter · about 5 h. Wire lights, switches, outlets and a panel the way the Philippine Electrical Code expects, size the breaker and the wire for each circuit…
Off-grid and Backup Power
Practitioner · about 8 h. Choose and size batteries, chargers, inverters and a UPS for a home that loses the grid, and prove the night and the outage with a test run.
Advanced PV Systems
Engineering · about 8 h. Design strings against the cold-morning window, protect and ground an array to PEC 6.90, choose between grid-tie, hybrid and AC-coupled…