Parameter:
Size: 2.7x1.7x1.3CM
Supply voltage: DC 5V
Supply current: >100mA
Standby power consumption: about 17.5mA
Communication method: serial communication (5V TTL level)
Emission distance: 6-10 meters (different depending on the ambient light and the condition of the transceiver)
Receiving distance: 6-10 meters (related to the power of the transmitting equipment)
Support NEC encoding chip: (Typical encoding chip such as uPD6121, uPD6122, TC9012 and many compatible chip models, such as PT2221, PT2222, SC6121, SC6122, SC9012, etc.)
Infrared signal: wavelength 940nm 38KHz
The baud rate defaults to 9600bps, and the serial port can be set to 4800, 19200, 57600bps.
GND: negative for 5v power supply
5V: positive for 5V power supply (4.5-5.5V)
RXD: TTL serial port receiver
TXD: TTL serial port transmitter
Infrared expansion port: can directly connect the infrared head to achieve multi-angle control