Photoresistor Course
Gain mastery over photoresistor circuits, starting from core principles to exact light detection levels. Learn to build and simulate LDR voltage dividers, transistor switches, and comparator circuits that steadily power LEDs and buzzers for practical electronics and sensing tasks. Perfect for quick, reliable designs with simulations and real tests.

from 4 to 360h flexible workload
valid certificate 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 master LDR basics, voltage divider setups, transistor switching, and accurate comparator levels, then confirm performance using Falstad or LTspice simulations alongside actual measurements. Clear step-by-step guides, safety advice, and fixes for common issues enable you to confidently create reliable light-sensing LED and buzzer projects.
Elevify advantages
Develop skills
- Design LDR circuits to create accurate light-activated switches rapidly.
- Tune voltage dividers for sharp dark-to-bright transitions using practical components.
- Drive transistors by selecting proper base and load elements to safely control LEDs and buzzers.
- Build precise window comparators with hysteresis tailored for LDR applications.
- Validate circuits through simulations in Falstad or LTspice and hands-on 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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