Tactile Alternating Button w/3 Wire Leads

3-wire push-to-toggle switch that alternately connects the center pin to one of two outer contacts on each press. Rated up to 3 A and 120 VDC; suitable for wearable power switching.

Middle lead / common
Common switched lead. Adafruit product page says the switch connects and disconnects the middle pin from either of the two side switches with every click.
Type · signalVoltage · Rated load up to 120VDC per Adafruit product page; current/load handling up to 3A, use within switch ratings.
Side lead A
One switched side contact. The product page describes alternating between the two side switches on each push.
Type · signalVoltage · Switch contact, use within Adafruit stated load ratings.
Side lead B
Other switched side contact. The product page describes alternating between the two side switches on each push.
Type · signalVoltage · Switch contact, use within Adafruit stated load ratings.

Pin	Position	Type	Function	Voltage
Middle lead / common

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: Middle lead / common, Side lead A, Side lead B. 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.

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SparkFun Rotary Switch Potentiometer Breakout visual preview

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