Infrared Dev Kit: Controller(NEC Type) and HX1838 Receiver
board map

receiver
- Remote control range: 8-10 meters (the quality of the infrared receiver itself, whether there are obstacles in the middle, etc. will affect the remote control distance)
- Battery: 3V button lithium manganese battery
- Infrared carrier frequency: 38KHz
- Surface material: 0.125mmPET
- Effective life: more than 20,000 times