SparkFun
7-Segment Display - 4-Digit (Blue)
This compact 4-digit 7-segment display in blue features 10 mm digit height with a common-anode configuration. Each digit has its own decimal point, and the d...
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This compact 4-digit 7-segment display in blue features 10 mm digit height with a common-anode configuration. Each digit has its own decimal point, and the display includes individually controllable apostrophe and colon points — making it well suited for clock and time displays.
The hardware interface uses sixteen through-hole pins arranged in two rows of eight.
Key Features
- 4-Digit 7-Segment – With decimal point per digit
- 10 mm Digit Height – Compact form factor
- Blue LEDs – Bright, clear blue segments
- Common Anode – Note: different from common-cathode displays
- Apostrophe and Colon – Individually controllable punctuation points
- Through-Hole Pins – 16 pins in two rows of eight
Specifications
- Colour: Blue
- Forward Voltage: 3.4V DC
- Max Forward Current: 20 mA
- Configuration: Common anode
- Digit Height: 10 mm
- Overall Dimensions: 40.18 × 12.8 mm
Ideal For
- Clock and timer displays
- Compact instrument readouts
- Arduino and microcontroller projects
Package Contents
- 1× 7-Segment Display 4-Digit (Blue)
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- common-anode
- A wiring arrangement where several LEDs or LED segments share a common positive (anode) terminal and are switched individually on their negative (cathode) side. Common-anode and common-cathode parts, such as RGB LEDs, seven-segment displays, matrices and strips, are not interchangeable without a suitable driver.
- 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.
- 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.
- through-hole
- A mounting style where the component leads pass through holes in a circuit board and are soldered on the other side. Through-hole parts are often easier to handle and solder by hand, which is useful for classroom and hobby projects.
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Displays & Screens
Supplier page — sparkfun.com
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Resources & Downloads
Guides, code examples, and more
Related Tutorials
Free guides on learn.littlebird.com.au
