File list (Check if you may need any files):
51_DHT11_第一个PCB\51_DHT21.c
..................\51_DHT21.c.bak
..................\51_DHT21.hex
..................\51_DHT21.lnp
..................\51_DHT21.LST
..................\51_DHT21.M51
..................\51_DHT21.OBJ
..................\51_DHT21.plg
..................\51_DHT21_Uv2.Bak
..................\51_DHT21.Uv2
..................\51_DHT21_1.c.bak
..................\51_DHT21_1.c
..................\Last Loaded DHT11_HC254.DBK
..................\51_DHT21_1.LST
..................\51_DHT21_1.OBJ
..................\51_DHT21
..................\DHT11-图片.JPG
..................\51_DHT11.c
..................\Last Loaded DHT11.DBK
..................\DHT11.DSN
..................\51_DHT21_Opt.Bak
..................\51_DHT21.Opt
51_DHT11_第一个PCB