Empower your IoT and electronics projects with the ESP32 Development Board. Featuring a 32bit dual-core 240MHz processor, this versatile board supports WiFi, Bluetooth, and fully integrates with the Arduino Programming IDE, making it ideal for a range of applications.

• Supply Voltage: 2.2V～3.6V
• Operating Temperature: -40°C～85°C
• Operating Current: 80mA
• Supports LWIP protocol and FreeRTOS
• Three Modes: AP, STA, and AP+STA
• Compatible with Lua programming
• Processor: 32bit dual-core 240 MHz Tensilica LX6
• SRAM: 520 KB, Flash: 16 MByte
• Wi-Fi Standards: FCC/CE/TELEC/KCC
• Wi-Fi Protocols: 802.11 b/g/n/d/e/i/k/r
• Bluetooth Protocols: BLEv4.2 BR/EDR
• Bluetooth Audio: CVSD and SBC
• Peripheral Interfaces: UART, SPI, I2S, ADC, DAC, I2C
• On-Chip Sensors: Hall Effect, Temperature
• Weight: 9g
• Size: 51.6mm x 28.5mm

• Supports Gravity 3-Pin interface for easy integration.
• Provides Analog output for versatile data interpretation.
• Ideal for monitoring garden plants and moisture detection in intelligent agriculture systems.

• Lithium Battery Charging: Charges lithium batteries with a voltage range of 3.3V to 4.2V.
• Boost Power Supply: Provides a 5V/1A boost power supply for efficient energy delivery.
• Recommended Charging Voltage: Works optimally with 5V charging voltage.
• Max. Charging Current: Supports a maximum charging current of 1A.

• High power 400W boost converter with constant current mode
• Adjustable output voltage from 10V to 60V
• Supports up to 15A input current (requires heat dissipation if exceeding 8A)
• High efficiency up to 96% for minimal power loss

• 2MP OV2640 camera sensor for sharp image capturing.
• CSI/DVP interface for seamless integration with IoT boards.
• Compatible with ESP32-CAM, ESP-EYE, STM32 (F4/F7), and other IoT boards.
• 66-degree field of view for versatile applications.

• 12-bit resolution for high-precision analog-to-digital conversion.
• Programmable sample rate ranging from 128 to 3300 samples/second.
• Wide power supply range from 2.0V to 5.5V, suitable for various microcontrollers.

• High-Quality Material: Made from durable acrylic, offering lightweight yet sturdy protection
• Stylish Design: Black and transparent panels give it a modern and sleek appearance
• Efficient Cooling: Comes with a cooling fan and screws for better heat dissipation

• High Power Output: Up to 1200W, ideal for high-power applications
• Step-Up Boost Converter: Converts 8-60V DC input to 12-80V DC output
• Adjustable Output: Voltage (12-80V) and Current (0.5-20A) are fully adjustable
• High Efficiency: Conversion efficiency up to 95%

• Wide voltage input range from 6V to 35V
• Quick Charge 3.0 support for fast and efficient charging
• Built-in MOS tube for anti-reverse connection protection (better than traditional diodes, preventing overheating and damage)
• Blue LED output indicator and Red LED quick charge status indicator

• 16 Button Matrix: Includes keys 0-9, #, *, and A-D, providing a wide range of input options.
• Easy Communication: Simple and direct communication with any microcontroller, perfect for Arduino projects.
• Compact Design: Space-efficient design ideal for embedded projects and prototyping.
• Durable Keys: High-quality switches for responsive performance.

• Converts SOP28, SOIC28, and SO28 to DIP28 format
• 1.27mm pin pitch for compatibility with various ICs
• 28-pin socket for versatile use
• Suitable for testing and programming ICs

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.

• 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.

• 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.

• Transmission distance up to 8 meters
• Effective angle of 60 degrees
• 20,000 estimated usage cycles
• Arduino compatible

• Wide supply voltage range: 3V to 5V
• Chip: X9C103S
• Compact PCB board size: 2.7 * 1.3 cm
• 10K span potentiometer for precise adjustments