• Integrated NRF24l01 V3.0 module for wireless communication.
• Built on the ATmega328P microcontroller.
• 32 KB flash drive, with 2 KB used by the bootloader.
• 8 Analog I/O pins for varied sensor integration.

• Compact and Lightweight ideal for small projects
• 5V DC Working Voltage easy to power with standard supply
• Short Detection Range suitable for detecting small metallic objects
• Simple to Use with clear instructions for connection

• 3 USB Expansion Ports: Onboard 3 USB expansion ports, compatible with USB 2.0/1.1 for data transmission.
• RTL8152B Ethernet Chip: Features an RJ45 network port with 10/100M adaptive Ethernet connectivity.
• Multiple Indicators: Includes power (PWR), network port status (ACT), and USB expansion interface status (D1~D3).

• Voltage: 3.3V
• Resolution: 500dpi
• Backlight Color: Blue
• Interface: TTL Serial

• Serial Baud Rate: Supports baud rates from 1200 to 460800bps.
• Working Frequency Band: Operates on 850/900/1800/1900 MHz.
• Control Mode: Uses AT commands (3GPP TS27.007).
• GPRS: Supports PPP connection and embedded TCP/IP protocol.

• 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.

• Easy Control: Control WS2812 light bars, rings, or addressable LED strips with this ESP8266 based module.
• Arduino IDE Support: Program the module using the Arduino IDE for easy customization.
• GPIO2 Pin Control: The module uses GPIO2 for controlling the LEDs.
• Flexible Power Supply: Supports DC 3.7V-5V, making it versatile for different power sources.

• Wide Input Voltage Range: 4.2V to 40V.
• Adjustable Output Voltage: Ranges from 1.2V to 37V.
• High Output Current: Minimum 1.5A, typical 2.2A.
• Wide Operating Temperature: Ranges from -55°C to +150°C.

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 (4GB)
• 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 (4GB)

• Nine Gesture Recognition Modes: Includes Up, Down, Left, Right, Push, Pull, CW, CCW, and Wave gestures.
• High Gesture Speed: Gesture speed ranges from 60°/s to 600°/s in Normal Mode and 60°/s to 1200°/s in Gaming Mode.
• Proximity Detection: Built-in proximity detection for improved performance.

• LCD Display for easy programming and time control
• Programmable Timer to automate power switching
• 220V Compatibility, suitable for home and industrial use
• Reliable Time Relay, ideal for street lamps, billboards, and automation systems

• High Resolution: 240x320 resolution, 18-bit color (262,000 colors) for vibrant display.
• Compatible with 5V Logic: Works with 3.3V or 5V logic.
• Onboard LDO Regulator: Includes a 3.3V 300mA LDO regulator for stable power.
• LED Backlight: Equipped with 4 white LED backlights that are on by default, but can be controlled via a digital pin.

• Wide Detection Range: 120°/180° detection angle with a range of up to 12 meters (± 2m)
• Adjustable Settings: Ambient light sensitivity and time-delay (5 seconds to 12 minutes) can be adjusted
• High Load Capacity: Suitable for 500W resistive load (e.g., incandescent lamps) and 150W inductive load (e.g., LED, energy-saving lamps)
• Weatherproof Design: IP44 rated, ideal for both indoor and outdoor use

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

• Powerful Output: Delivers 3.2W at 10% THD with 4Ω impedance speakers and a 5V power supply.
• Wide Operating Voltage: Works with a voltage range of 2.7V to 5.5V.
• Selectable Gains: Offers gain settings of 3dB, 6dB, 9dB, 12dB, and 15dB for flexible audio amplification.
• High Efficiency: 77 dB PSRR at 1 kHz, making it ideal for battery-powered projects.

• Adjustable gain of 1.5 to 1000x
• Adjustable offset
• 120kHz bandwidth (gain = 100x)
• Input signal range of 100uV – 300mV