• High-Precision Infrared Temperature Sensor with MLX90614ESF-BCC chip
• Non-Contact Temperature Measurement for accurate readings
• Standard I2C Communication Protocol for easy integration
• Wide Voltage Compatibility (3V - 5V) with internal low dropout regulator

• Compatible with Arduino and other microcontrollers
• Measures water turbidity with analog output
• Adjustable threshold for digital output
• Quick response time (<500ms)

Discover our Multi Servo Tester with 3 channels, ideal for testing ECS consistency and speed control. Operating on a voltage range of DC 4.8-6V, this compact and lightweight tester is perfect for various electronic projects. The blue-colored device measures 48 x 42 x 17mm and ensures precise performance.

Key Features:

• 3-channel servo tester
• Voltage consumption: DC 4.8-6V
• Compact size: 48 x 42 x 17mm
• Lightweight: Net weight 7g, Package weight 13g
• Color: Blue

• Flame and Fire Detection: Detects flame or fire using infrared technology.
• High Power Load: Supports AC 250V/10A and DC 30V/10A for controlling heavy-duty devices.
• Versatile Ports: Includes public side, normally open, and normally closed ports for easy integration.
• Compact Design: Lightweight and easy to install with a net weight of 16g.

• Supply voltage: 3.3 V to 5V
• Output can directly connected to controller
• TTL level output
• Maximum output current : 15mA

• LCD Display: Clear frequency signal display with backlight, ensuring visibility even in low-light environments.
• Adjustable PWM Signal Output: Output frequency and duty cycle (0%-100%) can be easily adjusted.
• Wide Frequency Range: Supports frequencies from 1Hz to 150kHz, with high accuracy and stability.

The 9-Array Line Follower Sensor Module is designed for precise line following applications. With nine integrated sensors, this module accurately detects black and white lines, making it perfect for robotics and automation projects. It provides digital signal outputs for seamless microcontroller integration, and features adjustable sensitivity for optimal performance. LED indicators assist in easy debugging and real-time monitoring.

Key Features:

• Nine integrated sensors for accurate line detection
• Ideal for robotics and automation
• Digital signal output for easy MCU integration
• Adjustable sensitivity for fine-tuned performance
• LED indicators for real-time monitoring and debugging

• Wide Voltage Range: Operates with an input voltage of 3.3V to 5.5V, making it compatible with various systems.
• Accurate Measurement: Provides TDS (Total Dissolved Solids) measurement range of 0-1000ppm with ±10% accuracy at 25°C.
• Low Power Consumption: 3-6mA working current, ensuring energy efficiency.
• Waterproof Probe: Includes a waterproof TDS probe for reliable outdoor or aquatic use.

Introducing our I2C Logic Level Shifter Bi-Directional Four-way module, designed for seamless two-way logic level transformation. This compact module measures just 1.5cm x 1.3cm and includes a 1x12 pin header for easy soldering. Perfect for use with breadboards, it supports high voltage to low voltage transformations (e.g., 5V to 3.3V).

Key Features:

• 4 channels for bi-directional logic level shifting
• Compact size: 1.5cm x 1.3cm
• Includes 1x12 pin header for easy soldering
• Compatible with breadboards
• Supports high voltage (5V) and low voltage (3.3V) levels

• Supports up to 80 voice commands, each up to 1500ms long.
• Can recognize a maximum of 7 voice commands simultaneously.
• High accuracy (99%) in ideal conditions.
• Easy to control via UART or GPIO.

• Lithium Battery Charging: Charges lithium batteries with a voltage range of 3.3V to 4.2V.
• Boost Power Supply: Provides a 5V/1A boost power supply for efficient energy delivery.
• Recommended Charging Voltage: Works optimally with 5V charging voltage.
• Max. Charging Current: Supports a maximum charging current of 1A.

• 3.5-inch TFT LCD display module with vibrant 18-bit color support.
• Compatible with Arduino Uno and other microcontroller boards.
• Integrated SD card slot for extended storage and project capabilities.
• High resolution of 320x480 pixels for clear visuals.

• ULN2003A Motor Driver Chip: Reliable and efficient stepper motor control.
• DC 5-12V Power Supply: Wide voltage range for flexible applications.
• 4-Way Signal Indicator: Indicates the signal direction for easy monitoring.
• Step Angle: 5.625 x 1 / 64, providing precise motion control.

• High-frequency clock signal generator with square wave output.
• Compatible with Arduino SCM & DIY kits.
• Wide logic voltage range of 3.3V to 5V.
• Designed with high-quality PCB material for durability.

• High-quality materials for guaranteed durability
• Chip-designed card reading circuit
• Low voltage, compact contactless card reader module
• Communicates with host via SPI mode

• Supports HUB75 port full color module, including ICN2038 IC
• Supports static to 1/32S scan mode
• Control range: 768*128, with a maximum width of 1280 and height of 256
• Communication ports: Wi-Fi and U-Disk