Freescale MPL3115A2 barometric pressure and altitude sensor breakout with a built-in altimeter calculation, 1.5 Pa resolution (~0.3 m altitude), and interrupt outputs for low-power use. Requires 2–3.6 V; breakout includes 3 V regulator and I2C level shifting.
Power input to breakout
Ground
I2C clock
I2C data
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VDD | header | Power | Power input to breakout | 3-5V via breakout regulator/level shifting |
| GND | header | Ground | Ground | 0V |
| SCL | header | I2C | I2C clock | 3-5V logic |
| SDA | header | I2C | I2C data | 3-5V logic |
Power input to breakout
Ground
I2C clock
I2C data
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: VDD, GND, SCL, SDA. Schematik maps them to your board in the app.
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