LED Illuminated Triangle Pushbutton A.K.A 1960s Sci-Fi Buttons

Triangular illuminated momentary pushbutton with normally-open switch contacts and separate LED connections. Six units tile into a hexagonal arrangement.

Switch contact 1
One of the two pushbutton switch contacts. Adafruit states there are two contacts for the button.
Type · signal
Switch contact 2
Second pushbutton switch contact. Source confirms separate button contacts from the LED contacts.
Type · signal
LED +
Positive contact for the built-in LED, marked + on the product. Use with a series resistor as for a normal LED.
Type · powerVoltage · LED forward voltage about 2.2V; source recommends series resistor from 3V or higher supply
LED -
Negative contact for the built-in LED, marked - on the product.
Type · ground

Pin	Position	Type

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 +, LED -, Switch contact 1, Switch contact 2. Schematik maps them to your board in the app.

Buttons & switches

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SparkFun Rotary Switch Potentiometer Breakout visual preview

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