• USB interface: Full-speed 12 Mbits/s USB connection to host PC for seamless programming
• Real-time execution: Supports real-time debugging and execution of code
• MPLAB IDE compatible: Includes a free copy of MPLAB IDE for development
• Over-voltage/short circuit monitor: Built-in protection for safe operation

• Dual H-Bridge Drive: Allows driving two DC motors or a stepper motor with ease.
• L298N Chip (ST NEW): High-quality, reliable control chip for efficient motor driving.
• Wide Voltage Range: Supports a drive voltage range from 5V to 35V for flexible usage in various projects.

• Wide Detection Range: 120°/180° detection angle with a range of up to 12 meters (± 2m)
• Adjustable Settings: Ambient light sensitivity and time-delay (5 seconds to 12 minutes) can be adjusted
• High Load Capacity: Suitable for 500W resistive load (e.g., incandescent lamps) and 150W inductive load (e.g., LED, energy-saving lamps)
• Weatherproof Design: IP44 rated, ideal for both indoor and outdoor use

• Compact size with a physical dimension of 48 x 29 x 22 mm, perfect for small spaces.
• Self-powered; requires no external power supply, making it easy to install and use.
• High accuracy measurement with a range of 7V to 100V, ±(1% + 1 Digit).
• Clear red LED display with three 0.56-inch digital tubes for easy readability.

• 32-bit RGB full color LED module
• Utilizes WS2812B chips with built-in LED control
• 5050 package RGB full color highlight LEDs
• Simple control via a single IO port

• Output Power: 3.2W at 4Ω and 10% THD, 1.8W at 8Ω and 10% THD.
• I2S Sampling Rate: Supports 8kHz - 96kHz sampling rates for high-quality audio output.
• Class D Gain: Selectable gain options of 3dB, 6dB, 9dB, 12dB, and 15dB.
• No Master Clock (MCLK) Required: Simplifies setup by eliminating the need for a master clock.

• Input Voltage: 1V ~ 5V
• Output Voltage: 5V
• Output Current: 500mA
• High Conversion Efficiency: Up to 96%

• LM358 Chip Onboard: Ensures reliable operational amplification.
• 100x Gain Circuit Design: Ideal for signal amplification applications.
• Adjustable Magnification: Features a 10K adjustable resistor for gain tuning.
• Power Indicator: Onboard LED for power status indication.

The ATmega128A is a high-performance, low-power 8-bit AVR RISC-based microcontroller from Microchip. It combines a wide range of features, making it suitable for various embedded applications. Here are the key specifications and features:

• Wide Frequency Range: Supports FM signals between 76 MHz to 108 MHz.
• I2C Interface: Easy integration with microcontrollers using I2C communication.
• Voltage Flexibility: Operates with both 3.3V and 5V power supplies.
• Low Power Consumption: Consumes less than 20 mA, suitable for battery-powered projects.

• 2-channel relay module for controlling AC and DC loads
• Low-level trigger for easy microcontroller interfacing
• Compatible with Arduino, Raspberry Pi, ESP8266, ESP32, and other microcontrollers
• Capable of switching high-power loads up to 250V AC @ 10A or 30V DC @ 10A

Specifications:

• Microcontroller: PIC16F877A
• Crystal Frequency: 4MHz (replaceable via socket)
• Power Supply: USB interface or external 5V DC
• Communication Interface: RS232
• LEDs: 8 connected to the RD port (can be enabled/disabled via J3 jumper)
• Buttons: 4 independent buttons (connected to RB0, RB1, RB2, RB3)
• Programming Interface: ICSP (compatible with K150, PICKIT2, PICKIT3, ICD2)
• Power Expansion: VCC and GND pin power expansion interface (5V)
• Temperature Sensor: DS18B20 interface
• LCD Interface: Compatible with LCD1602 and LCD12864

Package:

1 x PIC development board(with PIC16F877A chip)

1 x USB cable

1 x CD

• 16 Button Matrix: Includes keys 0-9, #, *, and A-D, providing a wide range of input options.
• Easy Communication: Simple and direct communication with any microcontroller, perfect for Arduino projects.
• Compact Design: Space-efficient design ideal for embedded projects and prototyping.
• Durable Keys: High-quality switches for responsive performance.

• 16 characters by 2 lines black-on-green display.
• Uses the widely known HD44780 parallel interface chipset.
• Freely available interface code for easy integration.
• Blue backlight with white text for better visibility.

• Measures water turbidity for water quality monitoring.
• Provides both analog output (0-4.5V) and digital output (high/low level signal).
• Adjustable digital output threshold via potentiometer.
• Wide operating temperature range of 5℃~90℃.

• Microcontroller: STM32F407VGT6 ARM Cortex-M4 core
• Clock Speed: Up to 168 MHz
• Flash Memory: 512KB of flash memory
• RAM: 192KB of RAM