Logical pinout · physical placement not verified

Vin
Power input. Adafruit says the onboard regulator takes 3-5VDC and safely converts it down for the 3V sensor
Type · PowerVoltage · 3-5VDC input
3v3
3.3V output from the onboard regulator; Adafruit says up to 100mA can be taken from this pin
Type · PowerVoltage · 3.3V output, up to 100mA
GND
Common ground for power and logic
Type · GroundVoltage · 0V
SCL
I2C clock pin for connection to the microcontroller I2C clock line
Type · I2CVoltage · logic level follows host power, 3-5V logic safe per board context
SDA
I2C data pin for connection to the microcontroller I2C data line
Type · I2CVoltage · logic level follows host power, 3-5V logic safe per board context
RST
Hardware reset input. Adafruit says it is pulled up by default and can be driven to ground to reset the board
Type · ControlVoltage · 3-5V logic safe
EOC
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
Type · GPIOVoltage · 3-5V logic safe

Pin	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	I2C clock pin for connection to the microcontroller I2C clock line	logic level follows host power, 3-5V logic safe per board context
SDA	I2C	I2C data pin for connection to the microcontroller I2C data line	logic level follows host power, 3-5V logic safe per board context
RST	Control	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	GPIO	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

Logical pinout · physical placement not verified

Pin details

7 connections

Vin
Power input. Adafruit says the onboard regulator takes 3-5VDC and safely converts it down for the 3V sensor
PowerVoltage · 3-5VDC input
3v3
3.3V output from the onboard regulator; Adafruit says up to 100mA can be taken from this pin
PowerVoltage · 3.3V output, up to 100mA
GND
Common ground for power and logic
GroundVoltage · 0V
SCL
I2C clock pin for connection to the microcontroller I2C clock line
I2CVoltage · logic level follows host power, 3-5V logic safe per board context
SDA
I2C data pin for connection to the microcontroller I2C data line
I2CVoltage · logic level follows host power, 3-5V logic safe per board context
RST
Hardware reset input. Adafruit says it is pulled up by default and can be driven to ground to reset the board
ControlVoltage · 3-5V logic safe
EOC
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
GPIOVoltage · 3-5V logic safe

Start wiring

I2C · SPI · Single data line · 3.3 – 5 V · Breakout

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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