• Non-Contact Switching: Detects magnetic fields without physical contact.
• Voltage Compatibility: Operates at DC 5V, making it ideal for microcontroller projects.
• KY-003 Model: Designed for magnetic, speed, and capacitance induction applications.
• Arduino Compatible: Perfect for DIY electronics and robotics projects.

• Non-contact gesture detection with proximity sensing capabilities
• Measures distance range from 10 to 20 cm (4-8 inches)
• I2C interface for easy communication with microcontrollers
• Low power consumption, ideal for battery-operated devices

• Dual bases for all Wemos D1 Mini modules and shields.
• Duplicate I/O and power supply for enhanced flexibility.
• Designed for 3.3V I/O compatibility only.

• Solid-State Relay (SSR): Offers fast and reliable switching for controlling high-voltage systems using low-voltage signals.
• Compact Size: Small and lightweight, making it easy to integrate into various applications.
• Low Trigger Voltage: Operates with an input signal voltage range of 0-1.5V for relay ON and 2.5-5V for relay OFF.
• Low Current Consumption: Very low trigger current (2mA) and quiescent current (0mA) for energy-efficient operation.

• 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).

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

• Operating voltage: DC12V (27A/12V battery x1)
• Operating Current: 10mA @ 12V 
• Radiated power: 10mw @ 12V
• Transmitting frequency: 315MHZ 
• Transmission distance :50-100M (Open field, the receiver sensitivity of -100dbm) 

• Boost Adjustable: Converts input voltage from 4.5-32V to an adjustable output range of 5-55V.
• High Safety: Equipped with over-voltage protection for stable and reliable performance.
• Professional Materials: Built with industrial-grade materials for a long service life.
• Portable Size: Compact and easy to carry for various applications.

• Compact Design: Small and efficient module with a size of 8.6mm x 12.33mm.
• Wide Input Voltage Range: Accepts 4.2V to 10V input voltage.
• Stable 3.3V Output: Provides a steady 3.3V output with a current of 800mA.
• Efficient Power Conversion: Ideal for small projects requiring reliable step-down voltage regulation.

• Non-contact temperature measurement
• Wide target temperature range: -40°C ~ 115°C
• High resolution of 0.02°C
• Low power consumption with 3V to 5V operating voltage

• Compact and Lightweight Design for easy integration
• Supports Type-C to 2.54mm Pin Conversion for versatile connectivity
• Stable DC 5V Operation for reliable performance
• Wide Operating Temperature Range for durability

• LCD Display for easy programming and time control
• Programmable Timer to automate power switching
• 24V Compatibility, ideal for various electrical applications
• Reliable Time Relay, suitable for street lamps, billboards, and automation systems

The Atmel ATtiny13A-PU is a picoPower 8-bit AVR RISC-based microcontroller designed for high performance and low power consumption. This microcontroller is ideal for a variety of applications, offering a compact and efficient solution with its powerful instruction set and versatile features.

• 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

• Triple axis magnetometer for precise magnetic field measurement
• Small and compact size for easy integration into various projects
• I2C communication protocol for efficient data transfer

The ATmega32A is a low-power, high-performance 8-bit AVR RISC-based microcontroller from Microchip. It is designed to deliver optimal performance with minimal power consumption, making it ideal for a wide range of embedded applications. This microcontroller features a rich set of functionalities, including self-programming flash memory, SRAM, EEPROM, and a JTAG interface for on-chip debugging.