The pressure sensor we use is exactly the same as others. But when connected to the board and measured without load, the voltage is different.
Others' measurements are 0mV, but ours are around 3.5mV.
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I have a question for you guys... I use 18B20 digital temperature module (the power supply required is 5V of single chip microcomputer) to measure temperature! Use transistor to control 24V relay! Use...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
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