Gravity: LED Button for Arduino / micro:bit (Yellow)

Digital momentary push button with yellow LED under a transparent cap, outputting high when pressed and low when released, compatible with micro:bit at 3.3–5 V.

Logical pinout · physical placement not verified

Signaldigital outputPH2.0-3P connector, position not asserted
Digital output from the button module; source page states High when pressed and Low when released, with LED feedback
Type · GPIOVoltage · logic output used with +3.3-5V supply; 3.3V recommended by DFRobot
VCCPH2.0-3P connector, position not asserted
Supply input for the Gravity LED button module
Type · PowerVoltage · +3.3-5V, 3.3V recommended by DFRobot
GNDPH2.0-3P connector, position not asserted
Ground return for the Gravity LED button module
Type · GroundVoltage · 0V reference

Pin	Position	Type	Function	Voltage
Signaldigital output	PH2.0-3P connector, position not asserted	GPIO	Digital output from the button module; source page states High when pressed and Low when released, with LED feedback	logic output used with +3.3-5V supply; 3.3V recommended by DFRobot
VCC	PH2.0-3P connector, position not asserted	Power	Supply input for the Gravity LED button module	+3.3-5V, 3.3V recommended by DFRobot
GND	PH2.0-3P connector, position not asserted	Ground	Ground return for the Gravity LED button module	0V reference

Logical pinout · physical placement not verified

Pin details

3 connections

Signaldigital output
Digital output from the button module; source page states High when pressed and Low when released, with LED feedback
GPIOVoltage · logic output used with +3.3-5V supply; 3.3V recommended by DFRobot
PH2.0-3P connector, position not asserted
VCC
Supply input for the Gravity LED button module
PowerVoltage · +3.3-5V, 3.3V recommended by DFRobot
PH2.0-3P connector, position not asserted
GND
Ground return for the Gravity LED button module
GroundVoltage · 0V reference
PH2.0-3P connector, position not asserted

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: VCC, GND. 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

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 · 28 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