Photoresistor Course
Gain mastery over photoresistor circuits, progressing from core principles to exact light detection levels. Develop and model LDR voltage dividers, transistor switches, and comparator circuits that dependably control LEDs and buzzers for authentic electronic and sensing projects, blending simulation with practical validation.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This course equips you with hands-on expertise to create and test dependable LDR circuits efficiently. Delve into LDR basics, voltage divider configurations, transistor switching techniques, and accurate comparator settings, then confirm performance using Falstad, LTspice, or physical tests. Guided examples, safety advice, and fault-finding tips enable confident construction of robust light-activated LED and buzzer systems.
Elevify advantages
Develop skills
- LDR circuit design: construct accurate light-activated switches rapidly.
- Voltage divider adjustment: establish sharp dark/light boundaries using practical components.
- Transistor control: select base and load elements to drive LEDs and buzzers securely.
- Comparator setup: build sharp window comparators incorporating hysteresis for LDRs.
- Simulation and testing: confirm LDR circuit performance via Falstad, LTspice, and bench equipment.
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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