An infrared (IR) LED is a type of light emitting diode (LED) that emits light in the infrared spectrum. IR LEDs are often used in a wide range of electronic devices and systems as a source of infrared light. They are commonly used in remote control systems, security systems, and other applications where it is necessary to transmit information using infrared light.
This IR LED light is a 3W light, which means it is a high-power LED that is capable of producing a relatively large amount of infrared light. It is often used in applications where a strong, concentrated beam of IR light is needed, such as in security cameras or other types of IR lighting systems.
IR LEDs are known for their low power consumption, long lifespan, and good performance. They are also relatively inexpensive and easy to use, making them a popular choice for a wide range of applications.
This IR LED is designed to be used with Raspberry PI to allow for night vision recordings. It can be used without a aspberry PI as a standalone IR floodlight.
3W high-power 850 infrared LED
Onboard photoresistor, the ambient light detector
Onboard adjustable resistor, for controlling the ambient light threshold of toggling the infrared LED
Allows adding night vision function to RPi Camera (E) or RPi Camera (F)
How to Use
Connect the Infrared LED Board to the camera PCB by screws
The screw holes are used for both attachment and power supply
Adjust the adjustable resistor to set a proper ambient light threshold, which toggles the infrared LED automatically
When ambient light is lower than threshold value, the infrared LED is on, vice vers
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3W Infrared (IR) LED Tutorial: Wavelength Basics, Safe Driving (Constant Current), Heatsinking, Arduino/ESP32 Control, and IR Illumination Projects
This tutorial is a detailed, practical guide to using the Infrared (IR) LED Light (3W) (Leobot Product #4204) for illumination, night vision, optical sensors, and invisible lighting projects. You’ll learn how IR LEDs differ from visible LEDs, why a <strong>constant-current driver</strong> is mandatory at 3W, how to size a power supply, how to design a safe switching stage (MOSFET), how to mount and heatsink the LED correctly, and how to build practical projects like IR floodlights for cameras, beam-break sensors, reflective sensing, and IR beacons.
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