• High-precision TDS measurement for water quality testing.
• Compatible with Arduino and other microcontrollers for easy integration.
• Low power consumption with a working current of just 3-6mA.
• Wide measurement range from 0 to 1000ppm.

• High-accuracy temperature measurement from -200°C to 1350°C.
• Compact and durable design for various applications.
• Compatible with K-type thermocouples.
• SPI communication interface for easy integration.

• CH340G Chipset for USB-to-serial communication.
• Micro-USB Connectivity for easy connection to your computer.
• Onboard PCB Antenna with 2dBi gain for stable signal strength.
• Supports Wi-Fi 802.11b/g/n/e/i and Bluetooth 4.2 BR/EDR and BLE standards.

Specifications:

• Connector Type: Micro USB to PCB
• Adapter Type: 2.54mm DIP 5 Pin
• Compatibility: Designed to interface Micro USB connectors with PCB boards
• Pin Spacing: 2.54mm
• Number of Pins: 5
• Easy Integration: Allows seamless integration of Micro USB connectivity into PCB projects
• Compact Design: Space-saving design suitable for compact electronic devices
• Material: High-quality materials ensure durability and reliability
• Versatile: Suitable for various DIY electronics projects, prototyping, and small-scale productions.

Package:

1x Micro USB to PCB 2.54mm DIP 5 P Adapter Module

• Wide Voltage Range: Supports 9V-90V battery measurement.
• High Precision: Minimum resolution of 0.1V with an allowable error of 1%.
• Low Power Consumption: Operating current is less than 5mA.
• Temperature Resistant: Functions efficiently between -10°C to +65°C.

Specifications:

• Module supply voltage: DC 5V
• Working environment temperature: -40 ° C ~ 85 ° C
• Communication interface: IIC
• Ultra low power consumption: programmable sample rate and LED current
• Save power; ultra-low standby current (0.7μA, typical)
• Size: 5.6mm x 3.3mm x 1.55mm

Package:

1x High Accuracy I2C MAX30105 Particle Optical Sensor Photodetectors Board Module Smoke Detection Flame Module 1.8V

Specifications:

• Back-illuminated, stacked CMOS 12-megapixel Sony IMX708 image sensor
• High signal-to-noise ratio (SNR)
• Built-in 2D Dynamic Defect Pixel Correction (DPC)
• Phase Detection Autofocus (PDAF) for rapid autofocus
• QBC Re-mosaic function
• HDR mode (up to 3 megapixel output)
• CSI-2 serial data output
• 2-wire serial communication (supports I2C fast mode and fast mode plus)
• 2-wire serial control of focus mechanism
• Resolution: 11.9 megapixels
• Sensor size: 7.4mm sensor diagonal
• Pixel size: 1.4μm × 1.4μm
• Horizontal/vertical: 4608 × 2592 pixels
• Diagonal field of view: 75 degrees (Camera Module 3, Camera Module 3 NoIR), 120 degrees (Camera Module 3 Wide, Camera Module 3 NoIR Wide)
• Common video modes: 1080p50, 720p100, 480p120
• Output: RAW10

• LCD Joystick Shield v2.0 with Nokia 5110 LCD screen
• SPI interface, maximizing I/O resource efficiency
• Includes a five-way joystick for human-computer interaction
• All analog and digital interfaces with pin leads for easy installation of other sensors/modules

• High-resolution 500dpi scanner for accurate fingerprint recognition.
• Fast fingerprint image capture in less than 1 second.
• Low power consumption with a peak current of <60mA.
• USB/UART communication for easy integration.

• 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.

• 24pcs 5050 RGB LEDs with WS2812 chip for full-color effects
• Individually addressable LEDs with digital control
• Operates at 5V, making it energy-efficient

• Accurate temperature and humidity sensing
• I2C and one-wire bus communication
• Wide temperature measurement range (-40°C to 125°C)
• Compact and easy to integrate with Arduino

• High-Quality Materials: Ensures durability and reliability for long-term use.
• Compact Design: Delicate and space-saving appearance for easy installation.
• Smart Circuit Control: Detects solar panel voltage to manage output without additional lighting elements.
• Automatic Functionality: Charges during the day, turns lights on at night, and off during daylight.

• Compatible with multiple Arduino boards, including Uno R3, Mega2560, Nano, and Pro Mini (5V 16M)
• Built-in buzzer for audible feedback on bootloader burning status
• On-board LED indicators for programming status and error detection
• Supports ISP_6PIN and ISP_10PIN interfaces for flexible bootloader burning

• High Power Capacity: Supports up to 3000W
• Wide Voltage Regulation: Adjustable range from 10V to 220V
• Imported Thyristor: Uses a high-quality 26A thyristor for durability and efficiency
• Energy Efficient: 90% use efficiency

• 4-Channel relay interface board with independent control
• High-current relay support: AC250V 10A / DC30V 10A
• Opto-isolated inputs for enhanced safety and noise reduction
• LED indicators for real-time relay output status