Photoresistor Course
Gain expertise in photoresistor circuits, covering core principles to exact light detection levels. 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 reliable light-responsive designs in real-world setups.

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 photoresistor basics, voltage dividers, transistor controls, and accurate comparator setups, then confirm results using Falstad, LTspice, or actual tests. Guided examples, safety advice, and fixes ensure you confidently create light-sensing LED and buzzer projects.
Elevify advantages
Develop skills
- Design LDR circuits to craft accurate light-activated switches swiftly.
- Tune voltage dividers for sharp dark-to-bright transitions using practical components.
- Drive transistors by selecting base and load elements to safely control LEDs and buzzers.
- Set up comparators with hysteresis for stable LDR-based threshold detection.
- Validate circuits through simulations in Falstad or LTspice plus hands-on lab measurements.
Suggested summary
Before starting, you can change the chapters and the 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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