Photoresistor Course
Gain expertise in photoresistor circuits, covering 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 tasks in Ghanaian workshops or labs.

flexible workload of 4 to 360h
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. Clear guides, safety advice, and fixes ensure you confidently create light-sensing LED and buzzer projects.
Elevify advantages
Develop skills
- Design LDR circuits to craft quick light-activated switches.
- Tune voltage dividers for sharp dark-to-light switch points using practical components.
- Drive transistors by selecting base and load parts to safely control LEDs and buzzers.
- Build comparator circuits with hysteresis for reliable LDR light detection.
- Validate circuits through simulations in Falstad or LTspice plus real 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 workloadWhat our students say
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