DFRobot
Gravity: 8-Digital LED Segment Display Module (Red)
An 8-digit red LED segment display module with Gravity I2C interface. This module can display numbers, basic characters, and supports 16 levels of brightness...
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An 8-digit red LED segment display module with Gravity I2C interface. This module can display numbers, basic characters, and supports 16 levels of brightness adjustment — ideal for clocks, counters, dashboards, and data readouts in Arduino and Raspberry Pi projects.
The Gravity connector makes wiring simple with just two data lines (I2C), and the module runs on 5V with low current draw.
Key Features
- 8-Digit 7-Segment Display – Red LED with clear, bright digits
- I2C Interface – Simple two-wire communication via Gravity connector
- 16-Level Brightness – Adjustable display intensity
- Low Power – Under 130mA operating current
- Wide Temperature Range – −40°C to +85°C operating
Specifications
- Display – 8 segments × 8 digits (red)
- Interface – I2C (Gravity connector)
- Operating Voltage – 5V DC
- Operating Current – <130mA
- Operating Temperature – −40°C to +85°C
- Storage Temperature – −55°C to +125°C
- Display Size – 101 × 19mm
- PCB Size – 117 × 22mm
Ideal For
- Clocks and countdown timers
- Sensor data readouts and dashboards
- Score counters and event displays
- Arduino and Raspberry Pi projects
Package Contents
- 1× Gravity 8-Digital LED Segment Display Module (Red)
Resources
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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Related Tutorials
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