• Connects Arduino or other microcontroller projects to a WiFi network.
• Prototype IoT products with just a few Lua script lines.
• Fast development with NodeMCU Firmware.
• Built-in Micro-USB port, flash, and reset switches.

• Wide Input Voltage Range: Operates with DC 5V to 12V input voltage.
• High Power Output: Delivers 120W of power for induction heating.
• Efficient Induction Heating: Designed for high-frequency induction heating applications.
• Compact Size: 8x4cm in size, easy to integrate into various setups.

• Functions like the Arduino Mega 2560 with ATmega2560 (16MHz) for stable and reliable operation
• Uses CH340G chip for UART-USB conversion, ensuring stable data exchange at 12MHz
• Connects to the computer via micro USB cable, compatible with most Android smartphones

The AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller from Atmel, featuring 8K bytes of in-system programmable Flash memory. This microcontroller is designed for a wide range of applications, offering robust performance and flexibility. It includes several standard features that make it suitable for embedded control applications.

• Wide Voltage Range: Supports DC 9V to 60V for various motor applications.
• High Power Handling: Can sustain 18A continuously and control up to 20A.
• Smooth Speed Control: 0% to 100% adjustable speed for precise operation.
• Forward & Reverse Control: Easily switch motor rotation direction.

Specifications:

• CORE-ESP32-C3
• ESP32-C3 main control, main frequency 160MHz
• On board 4MB flash,
• CH343P chip
• SPL Flash: 1 channel, onboard 4MB
• UART interface: 2-way, UART0~UART1
• 12 bit ADC: 2 channels, with a maximum sampling rate of 100KSPS
• Low speed SPI interface: 1 channel, supporting main mode
• IIC controller: 1 channel
• PWM interface: 4 channels
• GPIO external pins: 15 channels, reusable
• LED indicator lights: 2 channels
• Reset button: 1 channel
• BOOT button: 1 channel
• USB to TTL download and debugging port: 1 channel, supporting automatic download
• 2.4G PCB onboard antenna
• Size: 21mm x 51mm

Package:

1x ESP32 Development Board ESP32-C3 CORE-ESP32-C3 CH343P WiFi + Bluetooth Module Core Board For Arduino Microphone UART GPIO SPI

• Compact optical dust sensor for accurate dust and particle detection.
• Compatible with GP2Y1010AU0F and GP2Y1010AUOF for versatile use.
• Low power consumption, operating at DC5 ± 2V.
• High sensitivity of 0.5V / (0.1mg / m³), suitable for detecting fine particles like smoke and pollen.

Discover the Raspberry Pi 3 Model B, a powerful and versatile single-board computer perfect for various projects. Features include a Quad Core 1.2GHz Broadcom BCM2837 64-bit CPU, 1GB RAM, built-in WiFi and Bluetooth, and extensive connectivity options.

• Easy Operation: Simply plug in USB or micro USB to output 1.2V-24V adjustable voltage
• One-Key Off: Easily turn off the output with a single button
• Precise Adjustment: Multi-loop precise adjustable potentiometer for fine voltage control
• Power-Off Storage: Saves settings before power-off

• Supports Wi-Fi IEEE 802.11 b/g/n protocol with up to 150 Mbps data rate.
• Dual-band Wi-Fi with 20 MHz and 40 MHz bandwidth in the 2.4 GHz band.
• Bluetooth 5 support with Low Energy (LE) and Mesh functionality.
• Supports up to 4x Virtual Wi-Fi interfaces for flexible networking.

• 5MP OV5647 Sensor: Delivers high-resolution images and videos.
• Infrared LED Light Compatibility: Screw holes to attach infrared LEDs for enhanced night vision.
• Adjustable Focal Length: 1.85mm focal length, providing flexible focus adjustments.
• Wide Viewing Angle: 130° diagonal angle for a broad field of view.

• 17mm diameter for compact design
• 5V 3Bit WS2812 RGB LED technology
• 5050 RGB LED for vibrant color output
• Round shape ideal for decorative lighting

• I2C Interface: Easy integration with other devices and communication over the I2C protocol
• Accuracy: Offers typical accuracy of ±2% RH and ±0.3°C for temperature measurements
• Compact Size: Small form factor, measuring 28.3mm x 26mm
• Compatibility: Specifically designed for the WEMOS D1 Mini

• Type: YL-99 Impact Switch Module
• Product Name: YL-99 Impact Switch Module sensor for r3
• Condition: YL-99 Impact Switch Module

• 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.

• Original chip for reliable Bluetooth communication.
• Compatible with Arduino and other microcontrollers.
• Easy to interface with laptops and mobile phones with Bluetooth.
• Supports multiple communication speeds (baud rates).