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$19.45
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A common cathode alphanumeric LED display module driven by the HT16K33 chip over I2C. The 0.56-inch digit height makes it suitable for displaying letters, nu...
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A common cathode alphanumeric LED display module driven by the HT16K33 chip over I2C. The 0.56-inch digit height makes it suitable for displaying letters, numbers, and basic symbols in electronics projects and interactive displays.
Key Features
- HT16K33 Driver – I2C bus interface for simple microcontroller connection
- 0.56" Digit Height – Clear, readable display
- 16×8-Bit Display RAM – On-chip storage for display data
- 16-Step Dimming – Adjustable brightness control
- 5 V Operation – Standard logic level
Specifications
- Power Supply – 5 V
- Interface – I2C
- Driver Chip – HT16K33
- Display Type – Common cathode, 0.56" digit
- Operating Temperature – −40°C to +85°C
- Dimensions – 26 × 58 mm
Ideal For
- Segment display readouts
- LED panel indicators
- Score counters and clocks
Jargon buster
Plain-language definitions for the technical terms used above.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- 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.
- RAM
- RAM (random-access memory) is fast, temporary memory a device uses for working data while it is running; in its common volatile form, its contents are lost when power is removed. Some devices offer a mode that applies settings to RAM only, which is handy for testing changes temporarily because they are not stored permanently and disappear at power-off.
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