CJMCU VIRTUAL KEYBOARD USB TF STORAGE ATMEGA32U4

• Ultra-compact Linux development board with Wi-Fi connectivity.
• Powered by Allwinner F1C100s and equipped with 16MB Flash.
• Perfect for IoT, embedded systems, and portable applications.

Highlights :

• Small-scale projects
• Beginners in electronics
• Easy programming and debugging via USB
• Coding with the Arduino IDE
• Flexible power options (USB or external power source)
• Utilizing 6 versatile I/O pins for digital I/O, analog inputs, or PWM outputs

• Wide Input Voltage Range
• Fast Charging Support (QC3.0)
• Adjustable Output Voltage (3-12V)
• High Efficiency Buck Converter
• Compact and Portable Design
• Reliable and Stable Performance
• Overload and Short Circuit Protection

Highlights :

• High-quality 2-pin power cord for transformers.
• Durable and reliable, ensuring stable power delivery.
• Compatible with a wide range of transformers and electronic devices.

About this Product :

• Compact development board with 16MB flash storage and no Wi-Fi.
• Ideal for embedded systems, offline applications, and IoT device prototyping.
• Features a high-performance processor for efficient computation.

Highlights:

• Real-time monitoring of voltage, current, power, and energy.
• High accuracy with a measurement range up to 100A AC.
• Compact design, ideal for DIY and professional applications.
• Easy communication with microcontrollers via TTL serial interface.
• Low power consumption and high reliability.
• Supports bidirectional energy flow measurement.