• Supports up to 80 voice commands, each up to 1500ms long.
• Can recognize a maximum of 7 voice commands simultaneously.
• High accuracy (99%) in ideal conditions.
• Easy to control via UART or GPIO.

The Mini 5A PWM DC Motor Speed Controller is an essential module for precise speed control of DC motors and LED dimming. With an operating voltage range of 3V to 35V and a maximum power control of 90W, this compact controller ensures efficient performance in a variety of applications.

• Operating Voltage: DC3V-35V
• Control Power: 90W (maximum)
• Quiescent Current: 0.015A (standby)
• PWM Duty Cycle: 1% -100%
• PWM Frequency: 10kHz
• Size: 24 x 30mm (0.94 x 1.18 inches)

• Compatible with ESP8266 D1 Mini Pro for Wi-Fi applications.
• Supports real-time clock (RTC) and SD card for data logging.
• Includes male and female pin headers for easy connections.
• Battery type CR1220 (Battery not included).

• Operating Voltage: 12V DC
• LED Indicators: Two separate LEDs for On/Off status indication of the relay
• Triggering Input Voltage: 3.3V – 5V
• Back EMF Protection: Protects against back electromotive force

• 2MP OV2640 camera sensor with night vision capabilities.
• 160-degree wide field of view for enhanced coverage.
• Compatible with ESP32-CAM, ESP-EYE, STM32 (F4/F7), and other IoT boards.
• CSI/DVP interface for seamless integration.

Discover the ENC28J60 Ethernet LAN Network Module, perfect for adding Ethernet connectivity to your Arduino, SPI AVR, PIC, LPC, and STM32 projects in Bangladesh. This module features a 25MHz crystal and a blue color design.

• High-quality materials for guaranteed durability
• Chip-designed card reading circuit
• Low voltage, compact contactless card reader module
• Communicates with host via SPI mode

• Designed for Arduino UNO R3 for easy expansion
• Supports multiple sensors, servos, relays, and modules
• Buckled ports for VCC, GND, and Output for easy connections
• Reset Button for quick board reset

• Wide operating voltage range (5V-12V)
• Low noise and AC ripple
• Supports various microphone types (electret, condenser, dynamic)
• Compact and lightweight design

• Android ADK Support: Compatible with Google Android ADK for seamless Android device connection
• Wide Android Device Compatibility: Supports Android phones (G1, Nexus One, Nexus S, Droid X) and tablet PCs with Android versions 2.3.4+ (Phones) and 3.1+ (Tablets)
• Versatile Arduino Compatibility: Works with Arduino Uno 328, Arduino

• Adjustable Output Frequency: Provides 50Hz fixed frequency sine wave and adjustable frequencies from 0-100Hz and 0-400Hz.
• Modulation Modes: Supports both unipolar and bipolar modulation modes for versatile applications.
• Dead-Time Control: Features four different dead-time settings (300nS, 500nS, 1.0uS, 1.5uS) for precise control.
• Real-Time Feedback: Monitors voltage, current, and temperature in real-time, ensuring optimal performance and protection.

• Adjustable Detection Distance: Ranges from 3CM to 80CM
• Easy to Assemble: Suitable for robotics and assembly line applications
• Visible Light Interference Resistant: Operates well in various lighting conditions
• Compact Size: Lightweight and easy to integrate

• Quad-band compatibility: Works on GSM networks worldwide (850 / 900 / 1800 / 1900 MHz).
• Allows communication via SMS, MMS, GPRS, and audio through UART with AT commands.
• Includes 12 GPIOs, 2 PWMs, and an ADC from the SIM900 module.
• Compatible with Arduino and Arduino clones.

The MQ-5 Gas Sensor Module is designed to detect natural gas and methane with high accuracy. Operating at 5V, this sensor provides both TTL digital and analog outputs, with a detection concentration range of 300-10000ppm. Ideal for environmental monitoring and safety systems.

Key Features:

• Gas Detection: Natural gas/Methane
• Detection Concentration: 300-10000ppm
• Input Voltage: DC 5V
• Power Consumption: 150mA
• Digital Output (DO): TTL 0 and 1 (0.1 and 5V)
• Analog Output (AO): 0.1-0.3V, max 4V at high concentration
• Chip Used: AT89S52
• Crystal: 11.0592MHZ
• Baud Rate: 9600

• Quad-band GSM: 850/900/1800/1900 MHz
• GPRS multi-slot class 12/10
• Supports A-GPS with Integrated GPS/CNSS
• Controlled via AT commands

• WS2812 Chip: Integrated, addressable RGB LEDs.
• 5050 RGB LEDs: Full-color highlighting for vibrant lighting effects.
• 5V Operation: Works efficiently with a 5V power supply.