超声测距电路，有MSP4301232和MSP430F135，对使用MSP430的开发人员有参考-Ultrasonic Ranging circuit, there are MSP4301232 and MSP430F135, on the use of MSP430 developer reference

简易只能小车程序代码，以MSP430为控制核心，用红外传感器、超声探头、光敏电阻、霍尔传感器之间相互配合-Easy only car program code, MSP430 to control the core, infrared sensors, ultrasonic probe, photoresistor, Hall sensors complement each other