• Wide Input Range: Input voltage from 4.5V to 28V.
• Adjustable Output: Output voltage range from 0.8V to 20V.
• High Efficiency: Conversion efficiency up to 96%.
• Compact Size: Small size of 22mm * 17mm, perfect for DIY 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

• 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.

• 16-button keypad for microcontroller expansion
• 4x4 matrix layout for easy interfacing
• Durable PCB design for long-term use
• Compatible with Arduino and other MCUs

• ESP32 Chipset: 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
• Memory: 4MB QSPI flash, 8MB PSRAM
• GSM/GPRS Module: Supports Nano SIM cards for GSM communication
• Wi-Fi & Bluetooth: 802.11 b/g/n (150Mbps) and Bluetooth v4.2BR/EDR & BLE

The ATtiny85 is a high-performance, low-power 8-bit AVR RISC-based microcontroller from Microchip. Featuring 8KB ISP flash memory, 512B EEPROM, and 512B SRAM, it includes 6 general purpose I/O lines, 32 working registers, and various timers and counters. Ideal for industrial and automotive applications, it operates between 2.7-5.5 volts and achieves up to 20 MIPS at 20 MHz.

Key Features:

• Memory: 8KB ISP flash, 512B EEPROM, 512B SRAM
• I/O Lines: 6 general purpose
• Timers: One 8-bit timer/counter with compare modes, one 8-bit high-speed timer/counter
• AD Converter: 4-channel 10-bit
• Operating Voltage: 2.7-5.5 volts
• Performance: Up to 20 MIPS at 20 MHz
• Debugging: debugWIRE for on-chip debugging
• Safety Applications: Suitable for IEC 61508 and ISO 26262 standards

• Monitors ECG (Electrocardiogram) signals
• Measures heart rate and pulse with high accuracy
• Compact and easy to integrate with Arduino or other microcontrollers
• Low power consumption

• Automatically controls temperature, activating when below or above the set value.
• Supports both high and low-temperature triggering modes.
• Directly drives the relay to control AC (220V) or DC (30V) devices.

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

• 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 PIC16F628 is a powerful and easy-to-program CMOS Flash-based 8-bit microcontroller from Microchip. It features the robust PIC® architecture, making it suitable for a wide range of applications, including automotive, industrial, appliances, and consumer electronics. This microcontroller is designed for low voltage programming and offers a variety of features that enhance its versatility and performance.

• High Brightness: ≥5500 cd/sqm for clear visibility in outdoor settings
• Long Working Life: Up to 100,000 hours of usage
• Wide Viewing Distance: Best viewing distance of ≥6m
• High Pixel Density: 27,777 dots/sqm for sharper image quality

• Contactless Data Transmission: No battery required, energy is supplied by the reader.
• Anti-collision Technology: Multiple cards can be read at the same time without interference.
• Printable Surface: Can be customized for branding or identification purposes.

• USB interface: Full-speed 12 Mbits/s USB connection to host PC for seamless programming
• Real-time execution: Supports real-time debugging and execution of code
• MPLAB IDE compatible: Includes a free copy of MPLAB IDE for development
• Over-voltage/short circuit monitor: Built-in protection for safe operation

• PWM Control: Uses Pulse Width Modulation (PWM) to control the speed of a DC motor, offering smooth and precise speed adjustments.
• LED Display: Features a large 0.56 inch, 3-number LED display that shows the speed percentage from 0% to 100%, making it easy to monitor the motor speed under various conditions.
• Adjustable Speed Range: Speed can be adjusted from 0% to 100%, suitable for DC motors or DC loads with a current draw of less than 5A.
• Push Button: Incorporates a push button that can switch the controller between on and off states.

• Dual-core ESP32 processor with Wi-Fi and Bluetooth capabilities.
• 4MB Flash Memory for efficient data storage and programming.
• Integrated battery management system with 500mA charging current.