• Brand new and high quality.
• L293D is a monolithic integrated, high voltage, high current, 4-channel driver.
• Can drive DC motors and power supplies of up to 36V with a maximum current of 600mA per channel.
• H-Bridge configuration allows voltage to be applied across a load in either direction, ideal for motors.

• 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

• 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.

• Compact Design: Ideal for DIY projects and educational purposes
• 3 LED Colors: Red, Yellow, and Green for traffic signal simulation
• Wide Compatibility: Works with both 3.3V and 5V power supply
• Independent Control: Each LED can be controlled separately

• 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.

• Supply voltage: 3.3 V to 5V
• Output can directly connected to controller
• TTL level output
• Maximum output current : 15mA

Specifications:

• Mini DC Charging Fan Circuit Board
• 3 Level Speed Control & LED Indicator
• Ideal for Electrical Circuitry & Parts
• Best Choice To Replace Or Making a Mini Fan
• USB 5V Charging

Package:

1x Mini Rechargeable Fan Circuit Board with 3 Level Speed Control and Led Indicator

Discover the 5V MP3 WMA Decoder Board Audio Module, designed for seamless audio playback from USB and TF card sources in Bangladesh. This module supports MP3 and WMA formats, features an FM tuner, and operates at 5V, making it ideal for various audio projects.

• Utilizes a 24-bit high precision HX711 A/D converter chip
• Includes an integrated 128 times programmable gain amplifier
• Supports two analog input channels
• Ideal for pressure and weighing sensor applications

• 24pcs 5050 RGB LEDs with WS2812 chip for full-color effects
• Individually addressable LEDs with digital control
• Operates at 5V, making it energy-efficient

• Wide Input Voltage Range: Accepts input from 4V to 40V DC.
• Adjustable Output Voltage: Provides an adjustable output range of 1.25V to 37V DC.
• Current Output: Delivers a maximum output current of 2A.
• Digital Voltmeter: Equipped with an LED digital voltmeter showing voltage from 0 to 40V, with an error of only 0.1V.

• 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

• High-precision barometric pressure sensor for accurate air and water level detection
• Supports 3.3V-5V operation, making it compatible with Arduino and other microcontrollers
• 0-40KPa pressure range, ideal for liquid level and air pressure measurement
• Compact size (19x18mm) with a 2mm fixing hole for easy installation

Specifications:

• For Model: DS18B20
• Type: waterproof temperature sensor
• Feeler: stainless steel temperature sensor
• Temperature measuring range: -55 ° C -125 ° C
• Accuracy over the range of -10 ° C - 85 ° C: ± 0.5 ° C
• Adjustable resolution: 9 - 12 bit
• Voltage supply: 3.0 - 5.5V

Package:

1x DS18B20 Temperature Sensor Adapter Shield

• 16pcs 5050 RGB LEDs with built-in WS2812 chip for full-color effects
• Individually addressable LEDs with digital control
• Operates at 5V, suitable for low-power applications

• 3.2-inch TFT LCD screen with Ultra HD resolution
• Screen resolution: 480x320 pixels
• High-quality backlight with 6 white LEDs
• Wide power supply range (5V/3.3V)