I2C 4-digit 7-segment LED Display Module, Supporting Coexistence of Decimals and Clocks I2C Digital Tube Compatible with HT16K33
SPECIFICATIONS
Brand Name: NullLab
Choice: yes
Condition: New
High-concerned chemical: none
Origin: Mainland China
Type: Logic ICs

DOCS: https://github.com/nulllaborg/4_digit_clock_display_module.
Comprehensive technical support is available for all our products. Feel free to contact us.
Supports integers, decimals, and individual digit control at specific positions. The central colon (:) can be toggled on or off for digital clocks, timers, stopwatches, or sensor data readouts.
Simple I2C interface with SDA and SCL connections, occupying only 2 I/O pins for easy programming, operates on 5V power input, and is compatible with HT16K33 protocol
Features immersion gold process and anti-reverse PH2.0 interface for reliable connections and durability
Wide Microcontroller Compatibility: Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers for flexible integration into various projects



- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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