Switch contact 1
Arcade button switch contact. Adafruit states the button has switch contacts plus separate LED contacts.
Type · switch
Switch contact 2
Second arcade button switch contact. Adafruit states the button has switch contacts plus separate LED contacts.
Type · switch
LED contact +
LED power/control contact. Adafruit says two additional contacts power/control the LEDs and the LEDs include built-in resistors.
Type · powerVoltage · 5V typical, 3.3V supported but dimmer, per Adafruit product page
LED contact return
LED return contact for the built-in parallel LEDs. Adafruit says the two LEDs have about 1K resistors each and can be powered from 5V or 3.3V.
Type · groundVoltage · LED return for 5V or 3.3V drive per Adafruit product page

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 contact +, LED contact return. Schematik maps them to your board in the app.

Buttons & switches

105 other options

Most parts here are simple contacts: press or release, open or closed. A few outliers — rotary switch potentiometer breakouts, NeoPixel potentiometers, wiper plungers — carry separate wiring requirements worth checking before you order.

View all 105

SparkFun Rotary Switch Potentiometer Breakout visual preview

Related groups

4 groups

Keypads

Matrix keypads, analog ADKey boards, I2C keypad controllers, joysticks, and finished USB-HID keyboards are all here. Pin budget and simultaneous-press requirements are the splits that matter.

Input & controls · Keypads & controllers · 37 parts

Encoders

Bare EC11 quadrature encoders, I2C navigation encoders, absolute AS5600 and 8421 encoders, slide and ribbon potentiometers, and digital I2C pots — covering most ways to read angular or linear position.

Input & controls · Rotary encoders · 27 parts

Touch

MPR121, CAP1188, CAP1203 Qwiic slider and AT42QT breakouts are sensor ICs for electrodes you wire yourself. Simple single-pad modules like the TTP223B give you one digital output with no bus required.

Input & controls · Touch sensors · 14 parts

3D printing

DFRobot 1.75 mm PLA in 1 kg spools makes up the bulk of the group, in over 15 colors. Specialty options include PVA in both diameters, NinjaFlex flexible filament, Proto-Pasta conductive PLA, and wood-fill. OverLord printer spares and OverLord printers round out the hardware side.

Tools & prototyping · 3D printing · 53 parts