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HT16K33 LED Dot Matrix Driver Module, I2C Digital Tube Display Controller 16x8 Matrix Drive Board for Arduino Raspberry Pi DIY Electronics Project
- Built-in HT16K33 controller, supports 16x8 LED dot matrix (128 LEDs) and 7-segment digital tube display, integrates RC oscillator for stable performance.
- I2C Communication Interface
- Adopts 2-wire I2C (SDA/SCL) bus, only 2 MCU pins needed; 8 selectable I2C addresses allow cascading up to 8 modules.
- Wide Voltage & Brightness Control
- Works with 3.3V/5V DC voltage; supports 1/16~16/16 brightness adjustment via software, meets different display needs.
- Compact & Easy to Use
- Small size (36x20mm), comes with pin headers for easy soldering; plug-and-play for Arduino, Raspberry Pi and other microcontrollers.
- Versatile Application
- Ideal for LED dot matrix screens, digital tube clocks, scoreboards, DIY electronic projects, industrial display and more.
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Overview
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HT16K33 LED dot matrix drive control module is a high-performance display driver board designed for LED dot matrix and digital tube applications. Featuring the HT16K33 chip, it can drive 16x8 LED matrix (128 individual LEDs) or 7-segment digital tubes, providing stable and efficient display control.
With a standard I2C communication interface, the module requires only two microcontroller pins (SDA/SCL) for control, simplifying wiring and saving MCU resources. It supports 8 adjustable I2C addresses, enabling multiple modules to be cascaded for larger display systems. The module supports both 3.3V and 5V power supply, compatible with most mainstream development boards like Arduino and Raspberry Pi.
It offers software-controllable brightness (1/16 to full brightness) and integrates key scanning function, suitable for interactive display projectsHoltek. Compact and durable, its perfect for DIY electronics, LED signboards, digital clocks, game displays and industrial control panels.
Specifications:
- Driver Chip: HT16K33
- Display Type: 16x8 LED Dot Matrix / 7-Segment Digital Tube
- Communication: I2C (SDA/SCL), 8 Addresses
- Operating Voltage: 3.3V / 5V DC
- Brightness: 16 Levels Adjustable
- Size: 36mm × 20mm × 4mm
- Application: Arduino, Raspberry Pi, DIY Projects, Industrial Display
- Compatible Brand: Arduino, Raspberry Pi
- Chip Model: HT16K33
- Interface: I2C
- Display Type: LED Dot Matrix, Digital Tube
- Size: 16x8 Matrix
Voltage: 3.3V, 5V
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by TechCore Supply Return Policy
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