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C51 single -chip machine learning development board experiment, HX1838 remote control module, DIY electronic experiment kit!
The module is designed with double -sided circuit board welding joints, and the backup I/O port design!Intersection
Includes 3 20cm DuPont wires
1 The sensor uses HX1838, high sensitivity
2 working voltage 5V
3 Output form: digital output
Module interface description
1 VCC outer 3.3V-5V voltage (can be connected directly with 5V single-chip machine and 3.3V single-chip microcomputer))
2 GND external GND
3 IN external single -chip machine I/O port, I/O port has been designed with 10K pull -up resistance
Kit theory test distance is about 5-8 meters, but the actual application depends on the surrounding environmental factors and intermediate blocks (such as diaphragm, glass, obstacles or other materials).Bring a power supply work indicator,You can receive any remote control encoding data for 38K frequency!
RS232 serial port display infrared remote control key value:
