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采集4-20ma电流
- 基于STM32采集4-20ma转成0-3.3v电压输入。(Based on STM32 acquisition, 4-20mA converted to 0-3.3v voltage input.)
4-20mA XTR111正式版
- STM32 硬件PCB 图纸 输出4-20MA电流信号 采集频率信号(STM32 hardware PCB drawing outputs 4-20mA current signal and collects frequency signal)