DFRobot
Gravity: 4-Digital LED Segment Display Module (Green)
The Gravity 4-Digital LED Segment Display Module features a bright green 7-segment display with four digits, perfect for showing numbers, time, sensor readin...
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The Gravity 4-Digital LED Segment Display Module features a bright green 7-segment display with four digits, perfect for showing numbers, time, sensor readings, and other data in your projects. It communicates over I2C for simple two-wire connectivity with Arduino, Raspberry Pi, and other microcontrollers.
Part of the DFRobot Gravity series, the module features a plug-and-play connector and supports 8-level brightness adjustment to suit different lighting conditions.
Key Features
- 4-Digit 7-Segment Display – 8 segments × 4 digits with green LED
- I2C Communication – Simple two-wire interface for easy integration
- Adjustable Brightness – 8-level brightness control
- Gravity Connector – Plug-and-play with Gravity-compatible controllers
- Wide Operating Temperature – -40°C to +85°C
Specifications
- Operating Voltage – DC 5V
- Operating Current – <55 mA
- Operating Temperature – -40°C to +85°C
- Storage Temperature – -55°C to +125°C
- Display Size – 50.5 × 19 mm (2.0 × 0.75 in)
- PCB Size – 67 × 22 mm (2.64 × 0.87 in)
Ideal For
- Displaying sensor readings (temperature, humidity, distance)
- Clocks and countdown timers
- Score counters and numeric indicators
- Arduino and Raspberry Pi projects
Package Contents
- 1× Gravity 4-Digital LED Segment Display Module (Green)
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- 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.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- 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.
- PCB
- A printed circuit board (PCB) is a board, usually rigid, with etched copper tracks that connect electronic components together without loose wiring. Components are mounted on the board and signals route between them through the copper layout.
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