• Original chip for reliable Bluetooth communication.
• Compatible with Arduino and other microcontrollers.
• Easy to interface with laptops and mobile phones with Bluetooth.
• Supports multiple communication speeds (baud rates).

The Cyclone IV FPGA Board EP4CE6E22C8N is a comprehensive development kit designed for high-performance applications. This board features robust components and efficient power supply, making it ideal for advanced embedded system projects.

Key Features:

• Altera Cyclone IV EP4CE6E22C8N FPGA Chip
• Configuration Flash chip EPCS4, 4M bit
• Onboard 25MHz active patch oscillator
• 10 LEDs and 2 buttons for interactive projects
• Leads remaining IO, JTAG, and AS download port
• USB power with DC 5V supply
• Low-cost, efficient power supply design
• High-quality tantalum capacitor power supply filtering
• Supports embedded CPU development with NiosII
• 2.54mm header pitch design, ideal for integration

• 9-Axis Motion Tracking: Includes a 3-axis gyroscope, 3-axis accelerometer, and 3-axis magnetometer.
• High Sensitivity & Accuracy: Gyroscope up to ±2000°/sec, accelerometer up to ±16g, and magnetometer up to ±4800µT.
• Built-in Digital Motion Processor (DMP): Enables motion sensing without complex calculations.
• Onboard 3.3V Voltage Regulator: Allows operation from 5V sources.

Enhance your temperature measurement capabilities with the Digital Thermometer with Probe TPM-10. Key features include:

• Power supply: DC 1.5V (2 x LR44 Button Batteries)
• LCD display with an embedded three-digit digital panel
• High precision: ±1%
• Measuring range: -50℃ to 110℃
• Compact overall size: 48 x 28.5 x 16cm
• Easy installation dimensions: 46.2 x 26.7mm

Perfect for a wide range of applications, ensuring accurate and reliable temperature readings.

Monitor your heart rate with precision using the KY-039 Finger Probe Heartbeat Detection Sensor Module. Key features include:

• Working voltage: 5V
• Uses IR LED and optical transistor for pulsation detection
• Ideal for synthesized teaching experiments
• Compact dimensions: 25 x 22 x 17mm
• Lightweight: 2g

Perfect for integrating into your Arduino projects to measure heartbeat rates accurately.

• 49E Analog Hall Effect Sensor: Detects magnetic fields with precision.
• North and South Pole Detection: Differentiates between magnetic poles effectively.
• Magnetic Field Strength Detection: Provides analog output proportional to the magnetic field strength.
• Adjustable Digital Output: Triggers digital output when the magnetic strength exceeds the adjustable set-point.

Streamline your security applications with the R307 Fingerprint Reader Module. Key features include:

• Simple to use with various microcontrollers (MSP430, 51, AVR, PIC, STM32, ARM, FPGA, Arduino, pcDuino)
• Can be controlled via computer’s serial port
• Supply voltage: 3.6 - 6.0VDC
• Operating current: 120mA max, Peak current: 150mA max
• Fingerprint imaging time: <1.0 seconds
• Storage capacity: 162 templates
• Interface: TTL Serial with various baud rates

Perfect for enhancing security systems, ensuring quick and reliable fingerprint recognition.

• 1.3-inch HD IPS color screen
• Vivid colors, better than ordinary TFT LCD
• Resolution: 240x240 pixels
• Adjustable display direction: horizontal and vertical

• 128x128 resolution for clear display output
• TFT-LCD technology for vibrant colors and good contrast
• Ideal for compact applications requiring high-quality visuals
• Versatile design for various development boards

The 51 AVR MCU Minimum System Development Board is compatible with AT and STC series microcontrollers, offering versatile features for developers. Key features include:

• Compatibility: AT, STC series microcontrollers
• 40 IO pins with self-locking switch
• LED power supply lamp indication
• 3.5mm*1.3mm external power supply seat
• Pin leads for VCC and GND
• ISP and serial download support
• Programmable LED for experiments

• Simple DIY kit for creating a flowing light effect
• Adjustable flow rate with the R4 LED light adjustment
• Compatible with supply voltages from 2.5V to 14.5V
• Compact board size (53mm x 19mm) for easy installation

• 3.2-inch Resistive Touch Display: Allows for intuitive touch control.
• High Resolution: Offers 320 x 240 resolution for clear visuals.
• Full Compatibility: Compatible with all versions of Raspberry Pi boards (4B/3B+).
• CE & RoHS Certified: Meets safety and environmental standards for quality assurance.

Transform your Android device into a portable TV with the Digital TV Receiver SDB-T Watch Pad TV with Antenna. Enjoy live TV without an internet connection, making it perfect for on-the-go entertainment.

Key Features:

• Watch live TV on Android devices
• No internet connection required
• Supports EPG (Electronic Program Guide)
• Time shifting and auto scan features
• Compact and portable design

• 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

• Wide Voltage Range: Supports DC 9V to 60V for various motor applications.
• High Power Handling: Can sustain 18A continuously and control up to 20A.
• Smooth Speed Control: 0% to 100% adjustable speed for precise operation.
• Forward & Reverse Control: Easily switch motor rotation direction.

The USB Programmer CH341B is designed to support 24EEPROM and 25 SPI flash chips, featuring a CH341A chip for reliable performance. Ideal for tech enthusiasts and professionals. Key features include:

• Support for 24EEPROM and 25 SPI flash 8pin/16pin chips
• USB to TTL port for online rooting
• Automatic recognition of 25 series chips
• Support for downloading STC series procedures of single chips
• 24/25 status indicator lamp
• SPI pin for expanding utility