• Dual-Output: Provides both temperature and humidity control outputs.
• High Precision: Control accuracy of 0.1°C for temperature and 0.1%RH for humidity.
• Wide Detection Range: Temperature range of -20°C to 60°C and humidity range of 0% to 100% RH.
• Relay Output: Maximum output capacity of 10A for controlling devices.

• Battery-Powered Smoke and Fire Alarm (Battery not included)
• Environmentally Friendly: No harmful radiation, smells, or risks
• Low Power Consumption: Sensor's service life of about 10 years
• Photoelectric Chamber: Ensures early detection of smoke from all directions

• Dual-axis XY Joystick for precise control
• 2 potentiometers for controlling two axes
• Integrated switch for additional functionality
• Compact size, ideal for Arduino projects

• Designed for Arduino UNO R3 for easy expansion
• Supports multiple sensors, servos, relays, and modules
• Buckled ports for VCC, GND, and Output for easy connections
• Reset Button for quick board reset

• Built-in Antenna – Comes with an integrated antenna for GPS signal reception.
• Baud Rate – Default baud rate of 9600bps, without battery installed.
• Wide Power Supply Range – Operates between 3-5V, making it suitable for various setups.
• EEPROM Storage – Stores all settings and data, even when power is off.

• Compact Display: 1.8-inch size for portable projects
• High Resolution: 128x160 pixels for clear images
• Wide Viewing Angle: Improved visibility from various angles
• Controller: ST7735, widely used for high-quality displays

• 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.

• Supports MP3, WAV, and WMA formats
• TF card (up to 32GB) and U Disk support
• 30 volume levels and 6 EQ levels adjustable
• Multiple control modes (IO, serial, AD button)

• 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.

• WiFi and Bluetooth Support: Compatible with 802.11 b/g/n WiFi (up to 150 Mbps) and Bluetooth v4.2 (BR/EDR and BLE).
• High Sensitivity: Bluetooth radio sensitivity up to -97 dBm, supporting class-1, class-2, and class-3 transmitters.
• Versatile Interface Options: Includes SD card, UART, SPI, SDIO, I2C, PWM, GPIO, ADC, DAC, and more, suitable for a range of applications.
• Integrated Hall Sensor: Enables proximity detection.

• STM32F429ZIT6 microcontroller with 2MB Flash memory and 256KB RAM
• 2.4″ QVGA TFT LCD for display interface
• On-board ST-LINK/V2 with selection switch for standalone use
• 64 Mbit SDRAM for external memory support

• High Quality Build: 100% brand new and made from high-quality materials.
• Complete Kit: Each order includes a 40-pin ribbon cable and an assembled T-Type GPIO expansion board.
• Raspberry Pi Compatibility: Specifically designed for Raspberry Pi 4B, 3B+, 3B, 2B, B+.
• Easy to Use: Breaks out all the important power, GPIO, I2C, and SPI pins from the 40-pin header onto a solderless breadboard.

• Compact Size: With a size of 8.6mm x 12.33mm, this module is small and suitable for tight spaces.
• Low Input Voltage: Accepts input voltages ranging from 4.2V to 10V.
• Stable Output: Provides a stable 3.3V output with a current output of 800mA.
• Efficient Power Conversion: Ideal for stepping down voltage in small electronic projects.

Specifications:

• Video Core VII GPU, supporting OpenGL ES 3.1, Vulkan 1.2
• Dual 4Kp60 HDMI® display output with HDR support
• 4Kp60 HEVC decoder
• LPDDR4X-4267 SDRAM (8GB)
• Dual-band 802.11ac Wi-Fi®
• Bluetooth 5.0 / Bluetooth Low Energy (BLE)
• MicroSD card slot, with support for high-speed SDR104 mode
• 2x USB 3.0 ports, supporting simultaneous 5Gbps operation
• 2x USB 2.0 ports
• Gigabit Ethernet, with PoE+ support (requires separate Pi5-specific PoE+ HAT)
• 2x 4-lane MIPI camera/display transceivers
• PCIe 2.0 x1 interface for fast peripherals (requires separate M.2 HAT or other adapter)
• 5V/5A DC power via USB-C, with Power Delivery support
• Raspberry Pi standard 40-pin GPIO header
• Real-time clock (RTC), powered from an external battery

Package:

1x Original Raspberry Pi 5 Model B (8GB)

• Real-time battery capacity display for lithium batteries
• Wide compatibility with 1S-8S lithium battery packs
• Easy to use – direct connection to battery terminals
• Clear digital display with red outline and green bars

• Wi-Fi Standard: 802.11 b/g/n
• Wi-Fi Modes: Wi-Fi Direct (P2P), Soft-AP
• Integrated TCP/IP Protocol Stack: Enables easy communication over the internet
• Integrated TR Switch, Balun, LNA, Power Amplifier: For enhanced signal output