采用德国acam芯片TDC_GP2实现超声波测量，高精度低功耗芯片TDC-GP2 在热表中的应用 ——新的超声波热表解决方案-Achieved by the German acam chip TDC_GP2 ultrasonic measurement, high precision and low-power chip TDC-GP2 table in the application of heat- a new solution for ultrasonic heat meters

项目应用的激光测距程序，使用msp430单片机，TDC-GP22(Laser ranging program for project application, using MSP430 single chip computer, TDC-GP22)