• High-gain GPS antenna with a 27 dBi signal boost for improved reception.
• Compact and lightweight design for easy installation.
• Low noise coefficient ensures clear signal processing.
• Long 3-meter cable for flexible positioning.

• Supports Gravity 3-Pin interface for easy integration.
• Provides Analog output for versatile data interpretation.
• Ideal for monitoring garden plants and moisture detection in intelligent agriculture systems.

• PN532 Chipset: Most popular NFC/RFID chip, used in many smartphones and NFC devices.
• Versatile Functionality: Supports reading & writing NFC tags/cards, phone communication, and NFC tag emulation.
• Compatible with Arduino: Designed for easy integration with Arduino, Raspberry Pi, and other microcontrollers.
• Multiple Protocols Supported: Works with I2C, SPI, and UART communication interfaces.

• 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.

• 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 PIC18F4550 is an ideal microcontroller for low power (nanoWatt) and connectivity applications. It features three serial ports: FS-USB (12Mbit/s), I²C™, and SPI™ (up to 10 Mbit/s), along with an asynchronous (LIN capable) serial port (EUSART). With large amounts of RAM for buffering and enhanced Flash program memory, this microcontroller is perfect for embedded control and monitoring applications that require periodic connection with a personal computer via USB for data upload/download and firmware updates.

Specifications:

• Input Signal: PWM (Pulse Width Modulation)
• PWM Input Range: 0% - 100%
• Output Voltage Range: 0-10V
• Power Supply: 12V - 24V DC
• Input Frequency: 1kHz - 3kHz
• Output Current: Maximum 10mA
• Dimensions: Varies by manufacturer (typically small, PCB module size)
• Working Temperature: -40°C to +85°C

Package:

1x Module

• Measures water flow accurately within a range of 0.3–6 L/min.
• Compact and lightweight design with durable construction.
• Operates on a wide voltage range (5~12 V) with low current consumption.
• Offers high precision with ±5% accuracy for flows of 0.3–3 L/min.

• High-precision laser range measurement
• Small size and easy to integrate
• Operates with IIC communication protocol
• Low power consumption, 2.8V to 5V power supply

• High-speed programming for AVR series single-chip
• Supports PIC series 8-bit microcontroller programming
• Compatible with Serial 24/25/35/45/93 series programming
• High-performance BIOS programmer for various applications

• Double Panel PCB Design: Ensures durability and enhanced performance.
• Reliable Chip Control: Provides stable, anti-interference operation with minimal false triggering.
• Efficient Voltage Regulation: Offers stable power supply with proper heat dissipation for long-term usage.
• Anti-Reverse Protection: Prevents damage from accidental reverse power connection.

• STM8S103F3 Chip: Features 640 bytes of EEPROM for better data storage and retrieval.
• Flash Memory: 8K bytes of Flash memory (compared to the 4K bytes on STM8S103F2).
• Higher Endurance: Supports up to 10,000 Flash erase cycles, offering improved reliability for development.

• 4-Line Display: 20 characters per line, ideal for detailed data visualization.
• I2C Interface: Simplifies wiring and reduces required pins for Arduino and similar controllers.
• Adjustable Backlight & Contrast: Includes potentiometer and jumper for easy adjustments.
• High Compatibility: Works seamlessly with microcontrollers like Arduino and Raspberry Pi.

Specifications:

• For Model: DS18B20
• Type: waterproof temperature sensor
• Feeler: stainless steel temperature sensor
• Temperature measuring range: -55 ° C -125 ° C
• Accuracy over the range of -10 ° C - 85 ° C: ± 0.5 ° C
• Adjustable resolution: 9 - 12 bit
• Voltage supply: 3.0 - 5.5V

Package:

1x DS18B20 Temperature Sensor Adapter Shield

• Dual-core ESP32 processor with Wi-Fi and Bluetooth capabilities.
• 4MB Flash Memory for efficient data storage and programming.
• Integrated battery management system with 500mA charging current.

• Detects conductance of skin
• Includes finger straps for electrodes
• Compatible with 3.3V and 5V systems
• Compact and lightweight design