• Durable Material: Made from high-quality ABS plastic for long-lasting protection
• Perfect Fit: Designed specifically for Raspberry Pi 4 Model B
• Efficient Cooling: Comes with ventilation holes for better heat dissipation

• Wide Input Range: Input voltage from 4.5V to 28V.
• Adjustable Output: Output voltage range from 0.8V to 20V.
• High Efficiency: Conversion efficiency up to 96%.
• Compact Size: Small size of 22mm * 17mm, perfect for DIY projects.

• High-power boost converter module with up to 600W output.
• Wide input voltage range of DC 10V-60V.
• Adjustable output voltage (12V to 60V) for various applications.
• Supports constant current output up to 10A.

• Dual Motor Drive: Supports two DC motors with up to 2A current per channel.
• Wide Voltage Range: 6.5V–12V (VIN Power Supply), 4.8V–35V (External Power).
• PWM Speed Control: Supports precise motor speed control.
• PLL Advanced Speed Control: Ensures smooth motor operation.

• Wide Input Voltage Range: 5V to 80V
• Adjustable Output Voltage: 5V to 20V
• Minimum Voltage Drop: 1V
• Maximum Switch Current: 0.8A

• Wide Supply Voltage Range: 1.8V to 3.6V
• Low Power Consumption: 0.5µA at 1Hz
• I2C Interface for easy integration
• Max I2C Speed: 3.5MHz

The PIC12F675 is a powerful and easy-to-program CMOS Flash-based 8-bit microcontroller from Microchip. It features the robust PIC® MCU architecture, making it suitable for a wide range of applications, including automotive, industrial, appliances, and consumer entry-level products. This microcontroller is designed for field re-programmability, offering flexibility and convenience.

The PIC16F877A is one of the most renowned microcontrollers in the industry, known for its convenience and ease of programming. This microcontroller uses FLASH memory technology, allowing it to be written and erased multiple times. With a total of 40 pins, including 33 for input and output, it is widely used in various PIC microcontroller projects and digital electronics circuits.

The PIC16F84A is a powerful and easy-to-program CMOS Flash/EEPROM-based 8-bit microcontroller from Microchip. It features the robust PIC® architecture, making it suitable for a wide range of applications, including automotive, industrial, appliances, low power remote sensors, electronic locks, and security applications. This microcontroller is designed for both prototyping and production, with the ability to update the end application without removing the device via In-Circuit Serial Programming (ICSP).

• Compact Design for easy integration into projects with limited space
• Multiple Voltage Options: Available in both 3.3V and 5V versions
• Versatile I/O Pins: 12 Digital I/O Pins (5 with PWM output) and 8 Analog Inputs
• Low Power Consumption ideal for battery-powered projects

The AT89S51 is a low-power, high-performance CMOS 8-bit microcontroller from Atmel’s 8051 family. This microcontroller is designed for a wide range of applications, offering robust performance and flexibility. It features 4KB of Flash programmable and erasable read-only memory (PEROM) and 128 bytes of RAM, making it suitable for various embedded systems.

• High Efficiency: Maximum conversion efficiency of 95% (5V input, 3.3V output at ~200mA).
• Wide Voltage Range: Input voltage range from 4.75V to 23V, with a selectable output voltage from 1.0V to 17V.
• High Surge and Continuous Current: 3A surge current and 1.8A continuous rated current.
• Stable Performance: 340kHz switching frequency and minimal 30mV no-load output ripple.

• Uses CH340G driver chip for stable USB-to-serial communication

• Supports all basic Windows versions without compatibility issues

• Built-in 1000μF solid capacitor for reliable power supply and crash prevention

• 3225 SMD crystal oscillator enhances serial stability

• LCD Display for easy programming and time control
• Programmable Timer to automate power switching
• 24V Compatibility, ideal for various electrical applications
• Reliable Time Relay, suitable for street lamps, billboards, and automation systems

• 3 USB Expansion Ports: Onboard 3 USB expansion ports, compatible with USB 2.0/1.1 for data transmission.
• RTL8152B Ethernet Chip: Features an RJ45 network port with 10/100M adaptive Ethernet connectivity.
• Multiple Indicators: Includes power (PWR), network port status (ACT), and USB expansion interface status (D1~D3).

• Compact Size: With a size of 8.6mm x 12.33mm, this module is small and suitable for tight spaces.
• Low Input Voltage: Accepts input voltages ranging from 4.2V to 10V.
• Stable Output: Provides a stable 3.3V output with a current output of 800mA.
• Efficient Power Conversion: Ideal for stepping down voltage in small electronic projects.