Logical pinout · physical placement not verified

Switch contact 1
Momentary tactile switch contact. Adafruit states this is a momentary button; the LED is not connected to the switch.
Type · Unknown
Switch contact 2
Second momentary tactile switch contact. Adafruit states this is a momentary button; the LED is not connected to the switch.
Type · Unknown
LED anode
Anode of the built-in LED. Adafruit says two additional pins connect to the anode and cathode of a small LED.
Type · PowerVoltage · External LED drive required; product page says no resistor is included
LED cathode
Cathode of the built-in LED. Adafruit says two additional pins connect to the anode and cathode of a small LED.
Type · GroundVoltage · External LED drive return; product page says no resistor is included

Pin	Type	Function	Voltage
Switch contact 1	Unknown	Momentary tactile switch contact. Adafruit states this is a momentary button; the LED is not connected to the switch.
Switch contact 2	Unknown	Second momentary tactile switch contact. Adafruit states this is a momentary button; the LED is not connected to the switch.
LED anode	Power	Anode of the built-in LED. Adafruit says two additional pins connect to the anode and cathode of a small LED.	External LED drive required; product page says no resistor is included
LED cathode	Ground	Cathode of the built-in LED. Adafruit says two additional pins connect to the anode and cathode of a small LED.	External LED drive return; product page says no resistor is included

Logical pinout · physical placement not verified

Pin details

4 connections

Switch contact 1
Momentary tactile switch contact. Adafruit states this is a momentary button; the LED is not connected to the switch.
Unknown
Switch contact 2
Second momentary tactile switch contact. Adafruit states this is a momentary button; the LED is not connected to the switch.
Unknown
LED anode
Anode of the built-in LED. Adafruit says two additional pins connect to the anode and cathode of a small LED.
PowerVoltage · External LED drive required; product page says no resistor is included
LED cathode
Cathode of the built-in LED. Adafruit says two additional pins connect to the anode and cathode of a small LED.
GroundVoltage · External LED drive return; product page says no resistor is included

Start wiring

Analog · Single data line · Bare

SparkFun describes COM-09190 as a breadboard-friendly 12 mm square momentary pushbutton with a large button head and tactile click.

Module pins: LED anode, LED cathode. Schematik maps them to your board in the app.

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