Photoresistor Course
Gain mastery in photoresistor circuits, starting from core principles to exact light detection levels. Build and test LDR voltage dividers, transistor switches, and comparator circuits that steadily power LEDs and buzzers for practical electronics and sensing uses. Perfect for reliable sensor setups in everyday projects.

from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
This course equips you with hands-on skills to quickly design and test dependable LDR circuits. You'll cover LDR basics, voltage dividers, transistor controls, and accurate comparator settings, then check them using Falstad, LTspice, or actual tests. Clear guides, examples, safety advice, and fixes ensure you confidently create light-sensing LED and buzzer projects.
Elevify advantages
Develop skills
- Design LDR circuits to create exact light-activated switches rapidly.
- Adjust voltage dividers for sharp dark-to-light switch points using practical components.
- Select transistor parts to safely control LEDs and buzzers.
- Build stable comparator circuits with hysteresis for LDR signals.
- Test circuits via simulations in Falstad or LTspice and real lab measurements.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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