Grove Pro Mini LP
0097-060916-01
P r o d u c t S p e c i f i c a t i o n
Grove Analog
An Grove Analog connector consists of the standard four lines coming into the Grove plug. The two signal
lines are generically called A0 and D0. Most modules only use A0. Often base units will have the first
connector called A0 and the second called A1 and they will be wired A0/A1 and then A1/A2, etc.
Grove I2C
SwitchDoc Labs customers know that our favorite devices are I2C sensors. There are many types of I2C
Grove sensors available. Most are 5V/3.3V devices, but there are a few that are only 3.3V or 5.0V. You
need to check the specifications.
The Grove I2C connector has the standard layout. Pin 1 is the SCL signal and Pin 2 is the SDA signal.
Power and Ground are the same as the other connectors. This is another special version of the Grove
Digital Connector. In fact, often the I2C bus on a controller (like the ESP8266, Raspberry Pi and the Arduino)
just uses Digital I/O pins to implement the I2C bus. The pins on the Raspberry Pi and Arduino are special
with hardware support for the I2C bus. The ESP8266 is purely software.
Note that the Grove I2C Connectors on the Grove Pro Mini LP is a 5V or 3.3V (depending on what VDD is
connected to) I2C connector.
Pin 3
VDD
Power for Grove Module (5V or
3.3V)
Pin 4
GND
Ground
Grove Digital
Grove Analog
Pin 1
A0
Primary Analog Input
Pin 2
A1
Secondary Analog Input
Pin 3
VDD
Power for Grove Module (5V or
3.3V)
Pin 4
GND
Ground
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