Reference: RBD-3420
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The CJMCU Virtual Keyboard with Memory Card (ATmega32U4) is a compact and powerful module designed for automation, scripting, and penetration testing applications. Powered by the ATmega32U4 microcontroller, it operates as a USB HID keyboard, capable of simulating keystrokes, running custom payloads, or executing macros directly from scripts stored on a microSD card. Compatible with the Arduino IDE, it offers a simple development workflow—just upload your .ino script, insert a prepared FAT32 microSD card, and plug the device into a computer to execute commands automatically. An onboard LED indicator confirms successful uploads and operation status. Whether used for security research, testing automation, or educational exploration of USB devices, the CJMCU Virtual Keyboard provides a versatile, programmable platform for professionals and enthusiasts alike. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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ATmega32U4 Microcontroller: Provides native USB support and seamless HID emulation.
Virtual Keyboard Functionality: Simulates real keyboard inputs for automation or testing.
MicroSD Card Slot: Enables payload and script storage on FAT32-formatted cards.
Arduino IDE Support: Fully programmable through Arduino’s development environment.
Plug-and-Play: No soldering or external hardware required for operation.
LED Indicator: Displays status for upload success and runtime activity.
Compact Design: Small form factor ideal for discreet or embedded applications.
Wide Compatibility: Works with Windows, Linux, and macOS systems.
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Penetration Testing: Test system vulnerabilities via HID keyboard simulations.
Automation Projects: Execute repetitive typing, data entry, or macro sequences.
Educational Tools: Learn about USB HID communication and embedded programming.
Custom Input Devices: Create virtual keyboards or controllers for specific applications.
Prototyping & Development: Develop and test Arduino-based automation systems.
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| General Specifications | |
| Model | CJMCU Virtual Keyboard |
| Microcontroller | ATmega32U4 |
| Interface | USB |
| Memory Slot | TF (microSD) card slot |
| Supported Storage | FAT32-formatted microSD (tested up to 16GB) |
| Programming Environment | Arduino IDE |
| Power Supply | USB powered (5V) |
| Indicator | Red LED for operation feedback |
| Compatibility | Windows, Linux, macOS |
| Operation Type | HID Keyboard Emulation |
| Dimensions | Compact USB module |
| Application | Penetration testing, automation, education |
| Shipment Weight | 0.0063 kg |
| Shipment Dimensions | 4 × 2 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x CJMCU Virtual Keyboard with Memory Card ATMega32U4 for Arduino
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