Keyestudio ESP8266 CP2101 Wi-Fi Module + 1m Micro USB Cable
The Keyestudio Dot Matrix 8x16 LED Board features a 128-LED grid controlled via I2C communication, making it perfect for microcontroller projects. It offers adjustable brightness, easy wiring with a 4Pin HX-2.54 connector, and is ideal for creating custom patterns, text displays, and animations.
The Keyestudio Dot Matrix 8x16 LED Board is a versatile display module featuring 128 bright LEDs arranged in an 8x16 grid. Powered by the AIP1640 chip on the back, this matrix offers efficient control via I2C communication, making it ideal for microcontroller-based projects. With its adjustable brightness and compact design, this LED board is perfect for creating custom patterns, text displays, and animations. To simplify wiring, it includes a 4Pin HX-2.54 connector and cable. Its 2.2mm fixed mounting holes make it easy to install on various devices, ensuring convenience and flexibility for DIY electronics enthusiasts.
Features:
- Bright 8x16 LED Grid: Displays clear patterns, text, and animations.
- AIP1640 Chip Control: Enables easy management of LEDs via I2C communication.
- 4Pin Interface: Includes GND, VCC, SDA, SCL for simple connection.
- Adjustable Brightness: Control the LED brightness through programming.
- Sturdy Build: Features 2.2mm fixed mounting holes for secure installation.
- Easy Wiring: Comes with an HX-2.54 4Pin cable for seamless integration.
Specifications:
Specification | Details |
---|---|
LED Arrangement | 8x16 grid (128 LEDs) |
Control Chip | AIP1640 |
Communication Interface | I2C (GND, VCC, SDA, SCL) |
Brightness Adjustment | Programmable in code |
Connector Type | HX-2.54 4Pin |
Mounting Holes | 4 holes, 2.2mm diameter |
LED Pitch | 4mm |
Dimensions | Compact and easy to integrate |
Pinout:

Pin | Function | Description |
---|---|---|
GND | Ground | Connect to the ground of the power supply. |
VCC | Power Supply | Connect to 5V for power. |
SDA | Data Line | I2C data line for communication. |
SCL | Clock Line | I2C clock line for synchronization. |
Applications:
- Custom text and graphic displays.
- Scrolling message boards.
- IoT interfaces and data visualization.
- Educational and prototyping projects.
- Interactive devices and animations.
Package Includes:
- 1 x 8x16 LED Matrix Board (4mm pitch).
- 1 x HX-2.54 4Pin Cable.