• Integrated buttons & LED circuits for easy prototyping
• Exposed power pins (5V, GND, and Raw) for convenient connections
• SOIC pad for IC placement
• Mini breadboard with 170 tie points, attached with self-adhesive backing

• Input Voltage Range: 5V to 36V DC.
• Output Voltage Range: 1.25V to 32V DC (adjustable).
• Output Current: 0A to 5A.
• Built-in protections: thermal shutdown, current limit, and short-circuit protection.

• 2 million pixels for high-quality imaging
• 160-degree wide-angle view
• Compatible with ESP32, STM32, and other IoT boards
• Easy to integrate with CSI/DVP interface

• 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.

• High-Quality Materials: Ensures durability and reliability for long-term use.
• Compact Design: Delicate and space-saving appearance for easy installation.
• Smart Circuit Control: Detects solar panel voltage to manage output without additional lighting elements.
• Automatic Functionality: Charges during the day, turns lights on at night, and off during daylight.

• High sensitivity IR receiver
• Extremely sensitive to wavelengths between 760-1100nm
• Power supply indicator lamp
• Comparator output indicator lamp

• 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

• PN532 Chipset: Most popular NFC/RFID chip, used in many smartphones and NFC devices.
• Versatile Functionality: Supports reading & writing NFC tags/cards, phone communication, and NFC tag emulation.
• Compatible with Arduino: Designed for easy integration with Arduino, Raspberry Pi, and other microcontrollers.
• Multiple Protocols Supported: Works with I2C, SPI, and UART communication interfaces.

Enhance your robotics and electronics projects with the IR Module QTR-8A Reflectance Sensor Array. This sensor array features 8 infrared detectors, making it perfect for applications in robotics, smart cars, laboratories, and DIY projects.

• Operating Voltage: 5V
• 8-Channel Infrared Detector
• Applications: Robot, Smart Car, Laboratory, DIY

Package Includes: 1 x IR Module QTR-8A Reflectance Sensor Array

• Wide input voltage range: 7V - 32V
• Adjustable output voltage: 0.8V - 28V
• High power output: Up to 300W with 95% conversion efficiency
• Adjustable constant current range: 0.2A - 8A

Discover the 50Kg Resistance Train Half-Bridge Weight Sensor by Keyestudio, perfect for various electronic weighing devices in Bangladesh. This set includes four sensors, each with a total rated load of 50Kg, ideal for hopper scales, platform scales, and more.

• Detects soil moisture levels for irrigation and gardening applications.
• Corrosion-resistant probe for increased durability.
• Compatible with various microcontrollers like Arduino.
• Compact design for easy integration.

• 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)

• Adjustable voltage step-up converter for 18650 Li-ion batteries
• Supports both charging and discharging functions
• Compact PCB module design
• Ideal for DIY power bank projects

• High-Precision Laser Sensor: Measures absolute distance up to 2 meters
• Compact Design: Small form factor for easy integration
• I2C Communication: Simplifies connection with microcontrollers
• Wide Voltage Compatibility: Works with 3V to 5V power supply

• Diameter: 0.5" (12.5mm)
• Thickness: 0.1" (2.5mm)
• Protocol: 800 KHz speed
• Power Supply: 5-9VDC (Runs at 3.5V with dimmed colors)