File list (Check if you may need any files):
NRF24L01+4乘4键盘
.................\NRF24L01_44_RX
.................\..............\NRF24L01_44_RX
.................\..............\NRF24L01_44_RX.C
.................\..............\NRF24L01_44_RX.hex
.................\..............\NRF24L01_44_RX.lnp
.................\..............\NRF24L01_44_RX.LST
.................\..............\NRF24L01_44_RX.M51
.................\..............\NRF24L01_44_RX.OBJ
.................\..............\NRF24L01_44_RX.Opt
.................\..............\NRF24L01_44_RX.plg
.................\..............\NRF24L01_44_RX.Uv2
.................\..............\NRF24L01_44_RX_Opt.Bak
.................\..............\NRF24L01_44_RX_Uv2.Bak
.................\..............\STARTUP.A51
.................\..............\STARTUP.LST
.................\..............\STARTUP.OBJ
.................\NRF24L01_44_TX
.................\..............\NRF24L01_44_TX
.................\..............\NRF24L01_44_TX.C
.................\..............\NRF24L01_44_TX.hex
.................\..............\NRF24L01_44_TX.lnp
.................\..............\NRF24L01_44_TX.LST
.................\..............\NRF24L01_44_TX.M51
.................\..............\NRF24L01_44_TX.OBJ
.................\..............\NRF24L01_44_TX.Opt
.................\..............\NRF24L01_44_TX.plg
.................\..............\NRF24L01_44_TX.Uv2
.................\..............\NRF24L01_44_TX_Opt.Bak
.................\..............\NRF24L01_44_TX_Uv2.Bak
.................\..............\STARTUP.A51
.................\..............\STARTUP.LST
.................\..............\STARTUP.OBJ