• I2C Communication: Drives LCD 1602 or LCD 2004 through I2C communication.
• Reduced Pin Usage: Reduces the number of pins required for connection between the LCD module and Arduino.
• Adjustable LCD Contrast: Contrast can be adjusted via the built-in potentiometer for optimal display visibility.

• Can detect multiple gases: CO, NO2, C2H5OH, H2, NH3, and CH4
• High sensitivity with ppm detection range
• Compact design for easy integration in various applications
• Low power consumption

• High-resolution 8x2 character display
• Wide operating temperature range: -20°C to +70°C
• Backlight for easy viewing in low light conditions
• Standard 5V operating voltage

• STM32 microcontroller in LQFP64 or LQFP48 package
• 1 user LED shared with ARDUINO®
• 1 user and 1 reset push-buttons
• 32.768 kHz crystal oscillator

• Dual USB Output: Supports fast charging for two devices simultaneously.
• Type-C and Micro USB Inputs: Compatible with multiple charging cables.
• Integrated Display: Monitors power levels for user convenience.
• Overcharge Protection: Ensures battery safety and longevity.

• Non-Contact Switching: Detects magnetic fields without physical contact.
• Voltage Compatibility: Operates at DC 5V, making it ideal for microcontroller projects.
• KY-003 Model: Designed for magnetic, speed, and capacitance induction applications.
• Arduino Compatible: Perfect for DIY electronics and robotics projects.

• Ideal for driving stepper motors with ease
• Compact and efficient design
• Low power consumption
• Simple to interface with Arduino or other microcontrollers

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 PIC16F628 is a powerful and easy-to-program CMOS Flash-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, and consumer electronics. This microcontroller is designed for low voltage programming and offers a variety of features that enhance its versatility and performance.

• Weekly programmable digital timer with LCD display
• Supports up to 34 on/off programs with a minimum interval of 1 minute
• High load capacity of 16A (250V AC) / 20A (30V DC)
• 60-day power reserve to maintain memory during power loss

• 12pcs 5050 RGB LEDs integrated with WS2812 chip for full-color effects
• Built-in digital drivers for individual LED control
• Operates at 5V, ideal for low-power applications

• Converts TTL signals to RS-485 for long-distance communication.
• Uses the MAX485 IC for reliable and low-power operation.
• Compatible with Arduino and other microcontroller platforms.
• Compact size, lightweight, and easy to integrate into projects.

• Integrated NRF24l01 V3.0 module for wireless communication.
• Built on the ATmega328P microcontroller.
• 32 KB flash drive, with 2 KB used by the bootloader.
• 8 Analog I/O pins for varied sensor integration.

• 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.

• Heating voltage: 5 ± 0.2V (AC direct current)
• Operating current: 5-10mA
• Detectable concentration range: PH0-14
• Test temperature range: 0-80 °C

The AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller from Atmel, featuring 8K bytes of in-system programmable Flash memory. This microcontroller is designed for a wide range of applications, offering robust performance and flexibility. It includes several standard features that make it suitable for embedded control applications.

• I2C Communication: Drives LCD 1602 or LCD 2004 through I2C communication.
• Reduced Pin Usage: Reduces the number of pins required for connection between the LCD module and Arduino.
• Adjustable LCD Contrast: Contrast can be adjusted via the built-in potentiometer for optimal display visibility.

• Can detect multiple gases: CO, NO2, C2H5OH, H2, NH3, and CH4
• High sensitivity with ppm detection range
• Compact design for easy integration in various applications
• Low power consumption

• High-resolution 8x2 character display
• Wide operating temperature range: -20°C to +70°C
• Backlight for easy viewing in low light conditions
• Standard 5V operating voltage

• STM32 microcontroller in LQFP64 or LQFP48 package
• 1 user LED shared with ARDUINO®
• 1 user and 1 reset push-buttons
• 32.768 kHz crystal oscillator

• Dual USB Output: Supports fast charging for two devices simultaneously.
• Type-C and Micro USB Inputs: Compatible with multiple charging cables.
• Integrated Display: Monitors power levels for user convenience.
• Overcharge Protection: Ensures battery safety and longevity.