HC－SR04 超声波测距模块 是有LCD1602显示器 作为显示模块-Ultrasonic Ranging Module HC-SR04

笙科芯片A7139的SPI无线模块驱动程序例程。-Sheng Branch of SPI chip A7139 wireless module driver routines

毕昇杯大赛中创新项目蔬菜大棚的程序，完整测试成功，可以拿过来使用，移植性很好的，也可以做成实物。-Bi Sheng Bowl in innovative projects greenhouses program, complete the test is successful, you can take over use, very portable, and can also be made in kind.