We stock a few barometric pressure sensors, great for altitude and weather measurements. This pressure sensor is special because it comes with a metal port! Unlike other pressure sensors, you can easily attach a tube to it, to measure air pressure inside a close space.
Power input. Adafruit says the onboard regulator takes 3-5VDC and safely converts it down for the 3V sensor
3.3V output from the onboard regulator; Adafruit says up to 100mA can be taken from this pin
Common ground for power and logic
I2C clock pin for connection to the microcontroller I2C clock line
I2C data pin for connection to the microcontroller I2C data line
Hardware reset input. Adafruit says it is pulled up by default and can be driven to ground to reset the board
End Of Conversion output. Adafruit says it toggles when a sensing conversion is ready to be read and can be left disconnected if polling over I2C
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| Vin | power | Power input. Adafruit says the onboard regulator takes 3-5VDC and safely converts it down for the 3V sensor | 3-5VDC input | |
| 3v3 | power | 3.3V output from the onboard regulator; Adafruit says up to 100mA can be taken from this pin | 3.3V output, up to 100mA | |
| GND | ground | Common ground for power and logic | 0V | |
| SCL | i2c clock | I2C clock pin for connection to the microcontroller I2C clock line | logic level follows host power, 3-5V logic safe per board context |
I2C · 3-5VDC input · 3.3V output, up to 100mA
Confirm the data interface matches your host board.
Module pins: Vin, 3v3, GND, SCL, SDA. Schematik maps them to your board in the app.
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| SDA | i2c data | I2C data pin for connection to the microcontroller I2C data line | logic level follows host power, 3-5V logic safe per board context |
| RST | digital input | Hardware reset input. Adafruit says it is pulled up by default and can be driven to ground to reset the board | 3-5V logic safe |
| EOC | digital output | End Of Conversion output. Adafruit says it toggles when a sensing conversion is ready to be read and can be left disconnected if polling over I2C | 3-5V logic safe |