【摘要】 根据容栅传感器的原理和具有高灵敏度的A7102射频芯片加低功耗的STM8L101F3单片机,设计了一套多功能无线位移测量系统。该系统能实现最大数跟踪、最小数跟踪、示值保持和清零等功能。系统中采用专用芯片将传感器信号电平转换为CMOS电平,还采用光耦隔离技术等增强系统的抗干扰能力。更多还原

【Abstract】 According to the principle of capacitive sensors and the A7102 RF chip with a high sensitivity and the STM8L101F3 MCU with low-power consumption,this paper designed a multifunction wireless measurement system.This system can track the maximum and the minimum,keep count and clear.The system used a special chip to convert the signal level of the sensor to the CMOS level,and it used opto isolation technology to enhance the system’s anti-jamming capability.更多还原