Infrared LED 5mm – 940nm IR Emitter Diode
This 5mm infrared LED emits light at 940nm, making it ideal for invisible signalling, remote control systems, and sensor-based projects. With a narrow 20° beam angle and low forward voltage, it is well suited to Arduino and electronics applications requiring reliable IR transmission.
Key Features
- Infrared emission at 940nm (invisible to the human eye)
- 5mm standard LED package
- Narrow 20° beam angle for focused output
- Low forward voltage operation
- Suitable for communication and sensing applications
What’s Included
- 1 × 5mm Infrared LED (940nm)
Curriculum Links
Australian Curriculum (v9.0):
- ACTDEK042 – Investigate how systems are designed and controlled
- ACTDIP050 – Implement digital solutions
Victorian Curriculum:
- VCDSTS039 – Technologies systems
- VCDTDI037 – Algorithm design and implementation
NSW (Stage 4–5 Technology Mandatory):
- TE4-2DP – Designs and produces solutions
- TE4-5AG – Applies problem-solving
Classroom Use / Learning Outcomes
Students will:
- Explore invisible light and infrared technology
- Build IR communication or detection systems
- Understand signal transmission concepts
- Integrate LEDs into electronic circuits
Teacher Benefits
- Introduces real-world applications (remote controls, sensors)
- Simple component for demonstrations
- Works with common microcontrollers
- Supports extension into communication systems
Perfect For
- IR communication projects
- Remote control systems
- Sensor and detection circuits
- Electronics and STEM learning


