//DHT21 using the example of// MCU: AT89S52, or STC89C52RC// function: serial port to send temperature and humidity data crystal 11.0592M baud rate 9600// hardware connection: P2.0 port as a communication port to connect DHT11, DHT11 power and connect the power supply and microcontroller, the microcontroller serial port to connect a computer plus MAX232

51_DHT11
........\51_DHT11
........\51_DHT11.hex
........\51_DHT11.lnp
........\51_DHT11.M51
........\51_DHT11.plg
........\51_DHT21
........\51_DHT21.c
........\51_DHT21.c.bak
........\51_DHT21.lnp
........\51_DHT21.LST
........\51_DHT21.M51
........\51_DHT21.OBJ
........\51_DHT21.Opt
........\51_DHT21.plg
........\51_DHT21.Uv2
........\51_DHT21_Opt.Bak
........\51_DHT21_Uv2.Bak

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