Gravity Red 8-Digit 7-Segment LED Display

This red DFRobot 7-segment display has 8 digits with decimal points and is controlled via I2C. The display needs no multiplexing by the microcontroller, the DFRobot library shows numbers and simple characters and sets the brightness. It is connected via the Gravity connector.

Recommended Accessories:

• Gravity 4pin IIC/I2C/UART PH2.0 to Dupont Male Cable 30cm 10pcs
• Gravity IO Expansion Shield for Arduino V7.1
• RTC DS3231 Time Module with AT24C32 EEPROM Memory 32K

Features:

• 8 digits with decimal points
• Brightness adjustable in 16 levels
• Four selectable I2C addresses, up to four displays on the same bus
• I2C via 4-pin Gravity connector
• Arduino library DFRobot_LedDisplayModule, according to DFRobot tested with Arduino Uno, Mega2560, Leonardo, ESP32 and micro:bit
• 5 V supply

Application Examples:

• Clocks and timers
• Display of measured values such as temperature or voltage
• Counters and score displays

Documentation:

• DFRobot Wiki DFR0646-R
• DFRobot LED display library (GitHub)

Technical Data:

• Manufacturer: DFRobot
• Manufacturer SKU: DFR0646-R
• Operating voltage: 5 V DC
• Operating current: below 130 mA
• LED colour: Red
• Interface: I2C
• I2C address: 0xE0, selectable 0xE2, 0xE4 or 0xE6 via solder jumpers A1 and A0
• RAM: 16 × 8 bits for the displayed data
• Connections: SDA, SCL, GND, VCC
• Operating temperature: -40 to 85 °C
• Mounting holes: 3.3 mm
• Display size: 101 × 19 mm
• Dimensions: 117 × 22 × 16 mm
• Weight: 42 g

Scope of Delivery:

• 1× Gravity red 8-digit 7-segment LED display
• 1× Gravity I2C/UART sensor cable