Photoresistor Course
Gain mastery over photoresistor circuits, starting from core principles to exact light detection thresholds. Learn to design and simulate LDR voltage dividers, transistor switches, and comparator circuits that dependably control LEDs and buzzers for practical electronics and sensing projects in real-world setups.

from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
This course equips you with hands-on skills to design and test dependable LDR circuits efficiently. You'll cover LDR basics, voltage divider setups, transistor switching, and accurate comparator levels, then confirm performance using Falstad or LTspice simulations alongside actual measurements. Guided examples, safety advice, and fault-finding tips enable you to confidently create reliable light-activated LED and buzzer projects.
Elevify advantages
Develop skills
- LDR circuit design: quickly assemble accurate light-activated switches.
- Voltage divider adjustment: establish sharp dark-to-bright switch points using practical components.
- Transistor control: select base and load elements to safely drive LEDs and buzzers.
- Comparator setup: build sharp window comparators with hysteresis tailored for LDRs.
- Simulation and testing: confirm LDR circuit performance with Falstad, LTspice, and hands-on lab 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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