Adafruit
Adafruit SPA06-003 Temperature + Pressure Sensor
· MPN: ADA6420
The Adafruit SPA06-003 is an affordable barometric pressure and temperature sensor from Goertek, ideal for basic environmental sensing and DIY quadcopter bui...
The Adafruit SPA06-003 is an affordable barometric pressure and temperature sensor from Goertek, ideal for basic environmental sensing and DIY quadcopter builds. It measures 300–1100 hPa (approximately −500 to +9000 m above sea level) with ±3 Pa relative accuracy (~±0.25 m) and ±30 Pa absolute accuracy (~±2.5 m). Temperature accuracy is ±1 °C.
The surface-mount sensor comes soldered onto a STEMMA QT breakout board with a 3.3V regulator and level shifting, so it works with both 3.3V and 5V logic microcontrollers. The STEMMA QT connectors on each side are compatible with SparkFun Qwiic, allowing solderless I2C daisy-chaining with other sensors and accessories.
Key Features
- Pressure Range – 300–1100 hPa (−500 to +9000 m altitude)
- Relative Accuracy – ±3 Pa (~±0.25 m altitude equivalent)
- Absolute Accuracy – ±30 Pa (~±2.5 m altitude equivalent)
- Temperature Accuracy – ±1 °C
- I2C Interface – STEMMA QT / Qwiic connectors for solderless wiring
- 3.3V Regulator + Level Shifting – Compatible with 3V and 5V logic
Ideal For
- DIY quadcopter and drone altitude sensing
- Environmental and weather monitoring
- Basic altitude estimation projects
Package Contents
- 1× SPA06-003 breakout board (assembled and tested)
Jargon buster
Plain-language definitions for the technical terms used above.
- 3.3V regulator
- A 3.3V regulator is a power circuit that provides a steady 3.3 volts for parts that need that supply voltage. On a breakout board, it can let the sensor run safely even when the connected microcontroller or power source uses a higher voltage.
- breakout
- A breakout is a small circuit board that makes a tiny or hard-to-solder component easier to connect to with standard pins. It matters because this OLED module can be wired into a microcontroller project without needing to solder directly to the display’s fine contacts.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- Qwiic
- Qwiic is a plug-in connector system for I2C devices that uses small 4-pin cables, so you can connect compatible sensors without soldering. It matters because your controller or adapter also needs Qwiic, or you will need a cable or breakout to wire it up.
- STEMMA
- A plug-and-cable connection system used on some maker electronics boards to make wiring simpler. If a product uses STEMMA, you need the matching cable or connector type to plug it in without soldering.
- STEMMA QT
- A small plug-in connector system for I2C boards that lets you connect compatible sensors and controllers without soldering. It matters because it can make wiring faster and less error-prone, especially when adding several small modules to a project.
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