Grove - Sound Sensor

Analog microphone module based on LM358 amplifier and electret mic that outputs a voltage proportional to ambient sound intensity. Connects via Grove connector; read with any ADC-capable microcontroller.

Logical pinout · physical placement not verified

SIGgrove-1
Grove Sound Sensor analogue output; Seeed wiki connects the module to analog port A0 and reads the sound level
Type · Analog
NCgrove-2
not connected on the Grove connector; Seeed wiki code comment lists SIG,NC,VCC,GND
Type · Control
VCCgrove-3
Grove connector supply rail
Type · PowerVoltage · 5V in the Seeeduino wiring table
GNDgrove-4
Grove connector ground
Type · GroundVoltage · 0V

Pin	Position	Type	Function	Voltage
SIG	grove-1	Analog	Grove Sound Sensor analogue output; Seeed wiki connects the module to analog port A0 and reads the sound level
NC	grove-2	Control	not connected on the Grove connector; Seeed wiki code comment lists SIG,NC,VCC,GND
VCC	grove-3	Power	Grove connector supply rail	5V in the Seeeduino wiring table
GND	grove-4	Ground	Grove connector ground	0V

Logical pinout · physical placement not verified

Pin details

4 connections

SIG
Grove Sound Sensor analogue output; Seeed wiki connects the module to analog port A0 and reads the sound level
Analog
grove-1
NC
not connected on the Grove connector; Seeed wiki code comment lists SIG,NC,VCC,GND
Control
grove-2
VCC
Grove connector supply rail
PowerVoltage · 5V in the Seeeduino wiring table
grove-3
GND
Grove connector ground
GroundVoltage · 0V
grove-4

Start wiring

Analog · I2C · UART · 3.3 – 5 V · Breakout

Verify supply voltage and logic levels before powering up.

Module pins: VCC, GND. Schematik maps them to your board in the app.

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