KY-22 HX1838B Infrared sensor receiving module IR 38kHz receiver
25.00 EGP
The KY-22 (HX1838B) is a 38kHz infrared receiver module commonly used for IR remote control signal reception in Arduino and electronics projects. It decodes signals from standard IR remotes (TV, AC, DVD players).
Description
Key Features
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38kHz carrier frequency (compatible with most remotes)
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Integrated demodulator – outputs clean digital signals
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Operating voltage: 2.7V-5.5V
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Low power consumption
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Compact 3-pin design
Pin Configuration
| Pin | Description |
|---|---|
| OUT | Digital signal output |
| GND | Ground |
| VCC | 2.7-5.5V power |
Working Principle
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Receives modulated 38kHz IR signals from remotes
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Demodulates signal and outputs clean digital waveform
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Compatible with NEC, Sony, RC5, RC6 protocols (when used with libraries)
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