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1. VCC external 3.3V-5V voltage (can be directly connected to 5v microcontroller and 3.3v microcontroller)
2. GND external GND
3. IN external MCU I/O port, I/O port has been designed with 10K pull-up resistor
The theoretical test distance of the kit is about 5-8 meters, but the actual application depends on the surrounding environmental factors and intermediate barriers (such as diaphragm, glass, obstruction or other material blocking). The receiving head adopts HX1838 with power supply working instructions. Light, can receive any remote control coded data of 38K frequency!
1 x Infrared Remote Control Module+Receiver HX1838+NEC Coded Infrared Remote Control