• Accurate Liquid Level Detection with 48mm depth
• Wide Voltage Compatibility from 2.0V to 5.0V
• Analog Output for smooth data processing
• Compact Design with 2.0mm mounting holes

• High-quality ABS material ensures durability and long-lasting use.
• Designed to securely hold two 18650 batteries.
• Compact and lightweight design for easy integration into projects.
• Hard pin connections provide stable and reliable performance.

• All GPIOs can be configured as external interrupt input and wake-up source
• One full-duplex UART with a maximum rate of 3 Mbps
• Supports I2C, DAC, PWM, and multiple interfaces
• Built-in 242 KB high-speed SRAM

• 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

• 1.5-inch RGB OLED display with 128x128 resolution
• 65K high-color (16-bit) depth for vibrant visuals
• Supports both 4-wire SPI and 3-wire SPI interfaces
• Wide viewing angle of over 160°

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

• Ideal for Prototyping: Perfect for building custom circuits, especially for Arduino projects.
• Single-Sided Design: Simplifies soldering and circuit design.
• Durable Construction: Made from high-quality material with a copper thickness of 1 oz.
• Customizable Design: Can be easily modified to fit specific project needs.

• Compact Design for easy integration into projects with limited space
• Multiple Voltage Options: Available in both 3.3V and 5V versions
• Versatile I/O Pins: 12 Digital I/O Pins (5 with PWM output) and 8 Analog Inputs
• Low Power Consumption ideal for battery-powered 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 (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)

Specifications:

• Mini DC Charging Fan Circuit Board
• 3 Level Speed Control & LED Indicator
• Ideal for Electrical Circuitry & Parts
• Best Choice To Replace Or Making a Mini Fan
• USB 5V Charging

Package:

1x Mini Rechargeable Fan Circuit Board with 3 Level Speed Control and Led Indicator

• 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.

Specifications:

• Operating Voltage: DC 5V - 36V
• Trigger Source: Digital high-low (DC 3.3V - 20V), supports microcontroller IO port, PLC interfaces, DC power, and PWM signal (frequency 0-20KHz)
• Output Capacity:
  • Voltage: DC 5V - 36V
  • Current: 15A continuous at room temperature, up to 30A with auxiliary cooling
  • Power: 400W
• Operating Temperature: -40°C to 85°C

Package:

1x 15 A 400 W high-power MOS FET trigger switch drive module PWM regulator control panel

• Compact DIY kit to create a USB-powered mist maker or humidifier.
• Operates at a safe and efficient 5V DC.
• Ultrasonic technology generates fine mist for humidification.
• Durable components, including atomization films and absorbent cotton cores.

• Motor drive module comes with four L9110S chips
• Supports 4 DC motors or two 4-wire 2-phase stepper motors
• Supply voltage: 2.5V - 12V
• Maximum operating current: 0.8A

• Automatic Switching: Designed to automatically switch to battery backup when the main power fails.
• Wide Voltage Range: Suitable for applications with DC voltage from 5V to 48V.
• High Charging Current: Capable of handling up to 10A charging current for efficient performance.
• Compact Size: Small footprint (61mm x 30mm x 18mm) makes it easy to integrate into various setups.

• Dual Wi-Fi (802.11b/g/n/e/i) and Bluetooth (4.2BR/EDR and BLE) connectivity.
• Built-in OV2640 camera for image capturing.
• Supports various communication interfaces like UART, SPI, I2C, PWM.
• Equipped with 32Mbit SPI flash and 520KB internal RAM, plus 8MB external PSRAM.