Key features
- Ultra-bright blue 7-segment display with 4 digits 0.56" tall, pre-soldered onto the backpack: no assembly needed
- Backpack with HT16K33 driver and built-in clock that handles multiplexing: only 2 I2C wires instead of the 14 pins needed to drive the display directly
- Constant-current drivers for high brightness and consistent colour, 16-step brightness control
- Address-selection jumpers: up to 8 seven-segment displays on the same I2C bus, also together with other LED backpacks
- Two STEMMA QT connectors, Qwiic compatible, for solderless connections and chaining with other sensors and accessories
- Ready-made library for displaying numbers
Technical specifications
- Display type: 7-segment LED, 4 digits, blue
- Digit height: 0.56"
- Driver: HT16K33
- Interface: I2C, 7-bit addresses 0x70–0x77 selectable with jumpers
- Connectors: 2 × STEMMA QT / Qwiic, 4-pin header
- Brightness control: 16 steps
- Backpack dimensions: 50.0 × 26.7 × 6.0 mm
- Display dimensions: 19 × 50 × 14 mm
- Weight: backpack 5.6 g, display 8.4 g
Typical uses
Clocks, timers and counters, thermometers and instruments with numeric readout, indicators and panels in microcontroller projects.
Package contents
- 1 × LED backpack, assembled and tested, with pre-soldered blue 0.56" 4-digit 7-segment display
- 1 × 4-pin header
Warnings. This item is an electronic component (part, board, module or accessory) intended for people with technical skills in electronics, for development, prototyping, education, repair and integration into other equipment. It is not a ready-to-use finished product or a toy and is not suitable for children under 14. Wiring, power supply, installation and use are the buyer's responsibility, following the manufacturer's documentation and the applicable safety rules. Anyone who integrates it into equipment placed on the market becomes its manufacturer and must ensure its conformity (CE marking under directives 2014/30/EU on electromagnetic compatibility, 2014/35/EU on low voltage and, for radio functions, 2014/53/EU). Consumer rights under Italian Legislative Decree 206/2005, including the legal guarantee of conformity, are not affected.
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