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The SENSIRION SDP3X family sensors comes with deferential pressure range of (500Pa, 125Pa) on i2c and analog in a small package. suitable for high-volume applications where size is required on a design project. The SDP3X family ideal for measuring of mass flow in a bypass configuration. This sensor is a reflow solderable, can implement a multiple sensor in a series at multiple i2c addresses and interrupt functions in a fast sampling time and offer a calibrating and temperature compensated analog voltage output and configurable different measurement speed, output curves and temperature compensation can be selected dynamically during at run-time mode. The SDP3X family sensors has integrated excellent accuracy at long-term stability and no zero-point drift suitable for medical instruments, portable medical devices, home and health care applications, environmental devices, and drones. For more technical details refer to the datasheet below.

Required Components

  • Arduino IDE | Atmel Studio | Energia | Processing
  • Arduino PRO, FIO, NANO, UNO, MINI, MEGA, PRO MINI, LEO, BT, DUE, ETHERNET,LILYPAD, NodeMCU, Teensy Board, TeensyDuino, ESP8266 12, 12E, ESP32, LinkItOne, ESP8266 NodeMCU, ESPDuino, ATMEGA328 16/12, ATMEGA32u4 16/8/ MHz, ESP8266, MSP430 ,ATMEGA250 16 MHz, ATSAM3x8E, STM32.
    • Note: For AVR (please see the flash size of the MCU  and respective pin-outs & bus configuration )
    • Note: The Diagram below is using NANO. (please refer to each MCU’s respective pin-outs & bus configuration)
  • SDP31, SDP32, SDP36, SDP37 Differential Pressure Sensor
  • Capacitors (See below required value)
  • Resistors (See below required value)
  • TTL USB UART (Optional if your using s MCU USB/UART integrated)
  • PCB Designer (Circuit simulation to PCB Layout / Circuitmaker / Fritzing )

Wiring Guide

Source Code

Downloads




Wiring the SENSIRION SDP31, SDP32, SDP36, SDP37 Pressure Sensor with ATMEGA328TQFP
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