• Efficient Charging: High-efficiency conversion up to 93%, ensuring quick charging
• Wide Input Range: Input voltage from 2.8V to 4.5V, ideal for 3.7V polymer lithium batteries
• Adaptive Output: Output current adapts to 5V 3A, 9V 2A, or 12V 2A based on the protocol
• Fast Charge Protocol Support: Supports QC2.0, QC3.0, Huawei FCP, DCP Protocols

• 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.

• STM8S103F3 Chip: Features 640 bytes of EEPROM for better data storage and retrieval.
• Flash Memory: 8K bytes of Flash memory (compared to the 4K bytes on STM8S103F2).
• Higher Endurance: Supports up to 10,000 Flash erase cycles, offering improved reliability for development.

• High-quality SIM808 module for GSM, GPRS, GPS, and Bluetooth communication
• Supports quad-band 850/900/1800/1900MHz for global compatibility
• Integrated GPS with A-GPS support for enhanced positioning
• AT command control for SMS, phone calls, GPRS, and GPS data

• Ultra-low power consumption (<50uA quiescent current)
• Wide working voltage range (DC 4.5V–20V)
• High sensitivity with <100° detection angle
• Compact and lightweight design

• Battery-Powered Smoke and Fire Alarm (Battery not included)
• Environmentally Friendly: No harmful radiation, smells, or risks
• Low Power Consumption: Sensor's service life of about 10 years
• Photoelectric Chamber: Ensures early detection of smoke from all directions

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

• 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

• Built-in WS2812 IC for easy control
• Supports full-color RGB lighting
• Operates at 4V - 5.5V DC
• Compact and lightweight design

• Non-isolated Buck Module: A reliable and efficient step-down power conversion.
• Wide Input Range: Input voltage from 6V to 36V.
• Adjustable Output Voltage: Output voltage adjustable from 1.25V to 32V, with a default output of 5V.
• MPPT Voltage Setting: MPPT range from 6V to 36V to optimize solar panel charging.

• Input Voltage: 6V to 40V DC (Recommended: 10V to 40V)
• Output Voltage: 1.2V to 36V DC
• Output Current: 20A max., 15A recommended
• Efficiency: 95% (at 24V to 12V, 20A)

• Waterproof and durable for outdoor use
• Operates at a DC 5V voltage with low power consumption
• Capable of measuring distances from 25cm to 4.5m
• Acoustic emission frequency of 40kHz for accurate distance detection

• Automatic Control: Fully automated water level management for pumps.
• High Output Capacity: Equipped with a 10A relay for reliable performance.
• Compact Design: Small size for easy installation in tight spaces.
• Durable Build: Supports AC/DC 12V input for versatile use.

• High-accuracy temperature measurement from -200°C to 1350°C.
• Compact and durable design for various applications.
• Compatible with K-type thermocouples.
• SPI communication interface for easy integration.

Discover the Arduino Uno R3 with SMD Atmega328 IC, a versatile microcontroller board designed for various electronic projects in Bangladesh. Operating at 5V with a recommended input voltage of 7-12V, it features 14 digital I/O pins, 6 PWM outputs, and 6 analog inputs, making it perfect for DIY electronics and prototyping.

• Onboard AMS1117-3.3 chip for stable 3.3V output
• DC input voltage range: 4.75V to 12V
• Self-locking switch: Easily turn power on/off during testing
• Power indicator light: Indicates whether the power is on