This circuit consists of an MPX5100 integrated pressure sensor and MC68HC05 microcontroller and LCD display. A single line is connected between the voltage transmitter and the microcontroller. The MPX5100 has an internal amplifier, and the output 0.5~4.5V signal is directly input to the A/D port PD5 of the MC68HC05 microcontroller. The full scale of the manometer is adjusted with J1 and J2 switching.
Yellow Led Display,0.36 Inch Yellow Led Display,3 Digits Green Led Display,3 Digits Led Segment Display
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