Power Pins
- Vin - this is the power pin. Since the sensor chip uses 3 VDC, we have included a voltage regulator on board that will take 3-5VDC and safely convert it down. To power the board, give it the same power as the logic level of your microcontroller - e.g. for a 5V micro like Arduino, use 5V
- 3Vo - this is the 3.3V output from the voltage regulator, you can grab up to 100mA from this if you like
- GND - common ground for power and logic
I2C Logic Pins
- SCL - this is the I2C clock pin, connect to your microcontroller's I2C clock line.
- SDA - this is the I2C data pin, connect to your microcontroller's I2C data line.
- STEMMA QT - These connectors allow you to connect to development boards with STEMMA QT connectors, or to other things, with various associated accessories.
Power LED and LED Jumper
- Power LED - In the upper right corner, above the STEMMA connector, on the front of the board, is the power LED, labeled on. It is a green LED.
- LED jumper - This jumper is located on the back of the board. Cut the trace on this jumper to cut power to the "on" LED.
Page last edited March 08, 2024
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