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DFRobot

· MPN: DFR0789-G

$11.05 |
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This compact illuminated push-button module combines a tactile switch with a built-in green LED indicator, making it handy for interactive electronics, contr...

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This compact illuminated push-button module combines a tactile switch with a built-in green LED indicator, making it handy for interactive electronics, control panels and classroom builds.

It uses a self-locking toggle action rather than a momentary press. Press the button once and the output goes High while the LED turns on; press it again and the output goes Low while the LED turns off.

The module works with 3.3–5V logic systems and provides a digital output for micro:bit, Arduino and other microcontroller boards. A Gravity PH2.0-3P connector keeps wiring simple for quick prototyping.

The pack includes 1 x Gravity LED Switch and 1 x Digital Sensor Connector.

Features:

  • LED indicator automatically lights when the button is pressed
  • Self-locking push-button mechanism provides toggle-style control
  • Digital signal output compatible with common microcontroller platforms
  • Multiple LED colour options: red, yellow, green, blue, and white
  • Gravity PH2.0-3P connector enables easy plug-and-play wiring

Specifications:

  • Operating Voltage: +3.3-5V (3.3V is recommended)
  • Output: digital
  • Connector: PH2.0-3P
  • Dimension: 27×26.5mm
  • Colors Available: red, yellow, green, blue, white

Typical uses include interactive control panels, backlit keyboard prototypes, music player controls, recording panels, robotics user inputs and STEM education electronics projects.

Jargon buster

Plain-language definitions for the technical terms used above.

Gravity
Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
LED
A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
microcontroller
A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.

Supplier page — dfrobot.com

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DFR0789 switch module schematics V1.0

Schematic · 932.3 KB · Click any page to view full size

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