Adafruit 7-Segment Display
Best numeric display for DIY electronics enthusiasts building custom clocks or timers.
This display backpack eliminates the wiring nightmare of traditional seven-segment matrices by using a simple two-wire interface. It handles all the heavy lifting of multiplexing and constant-current driving, making it an ideal, plug-and-play solution for adding bright, readable numeric output to any microcontroller project.
$17.15
at
Newark
Who it's for
- Makers needing to save precious microcontroller pins
- Project builders creating clocks or scoreboards for distance viewing
- Beginners and experts seeking quick, reliable integration
Who should skip it
- Budget-conscious hobbyists looking for the cheapest possible display
- Developers requiring complex text or alphanumeric messaging
- Designers needing customizable color schemes for their projects
Performance breakdown
Integration ease
I2C backpack design makes wiring and setup incredibly straightforward for beginners.
Display brightness
Constant-current drivers ensure consistent, ultra-bright illumination across all four digits.
Scalability
Address-selection jumpers allow chaining up to eight displays on one bus.
Compatibility
Native support for both 3.3V and 5V logic simplifies cross-platform projects.
Software support
Robust library ecosystem makes coding for Arduino and Raspberry Pi effortless.
Build quality
Fully assembled backpack arrives ready for immediate, reliable project integration.
Key Specs
Display Size
1.2 inch digit height
Display Type
4-Digit 7-Segment
Interface
I2C
I2C Addresses
0x70-0x77 (selectable)
Dimensions
50mm (W) x 120mm (L) x 13mm (H)
Supply Voltage
3.3V or 5.0V
Certifications
RoHS 2
Mounting Type
Through-hole
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