Remote control range: 8-10 meters (the quality of the infrared receiver itself, the presence of obstacles in the middle and other factors will affect the remote control distance) Note: Theoretical test distance of the kit is about 5-8 meters Battery: 3V button lithium manganese battery Infrared carrier frequency: 38KHz Effective life: more than 20,000 times HX1838 infrared receiver module (receiver head): Sensor using HX1838, high sensitivity Working voltage: 5V Output form: digital output Module interface description: VCC external 3.3V-5V voltage (can be directly connected with 5v microcontroller and 3.3v microcontroller connected) GND external GND IN external microcontroller I/0, 1/0 has been designed 10K pull-up resistor Package include: 6 x HX1838 Infrared receiving head 6 x Infrared wireless remote control 6 x Cable

Module interface description : VCC external 3.3V-5V voltage (can be directly connected with 5v microcontroller and 3.3v microcontroller); GND external GND; IN external microcontroller I/0, 1/0 has been designed 10K pull-up resistor. Remote control range: 8-10 meters (the quality of the infrared receiver itself, whether there are obstacles in the middle and other factors will affect the remote control distance).Note: The theoretical test distance of the kit is about 5-8 meters. Receiver head adopts HX1838 with power working indicator, can receive 38K frequency data of any remote control code. Microcontroller learning development board experiment, HX1838 remote control module is designed with double-sided circuit board solder joints and spare 1/0 port design. HX1838 infrared wireless remote control operating voltage 5V; Output form: Digital output; GND: external GND.