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DFRobot

· MPN: DFR0789-W

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

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

The switch outputs a digital HIGH/LOW signal and runs from +3.3-5V, so it suits common development boards including Arduino-compatible boards and micro:bit projects. It uses a self-locking toggle action: press once and the output switches HIGH while the LED turns on; press again and the output returns LOW while the LED turns off.

A PH2.0-3P connector supports simple Gravity-style plug-and-play wiring, helping keep classroom builds, robotics interfaces and project panels tidy. The pack includes 1 x Gravity: LED Switch and 1 x Digital Sensor Connector.

Features:

  • Self-locking push-button mechanism with digital output
  • Integrated LED indicator lights when the button is pressed
  • Provides clear visual feedback for interactive electronics projects
  • PH2.0-3P connector for easy plug-and-play wiring
  • Available in multiple LED colors: red, yellow, green, blue, and white

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

Use it as a clear on/off input for robotics control panels, backlit button interfaces, multimedia controls, event triggers and STEM demonstrations.

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.

Supplier page — dfrobot.com

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DFR0789 switch module schematics V1.0

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