• Wide Input Voltage Range: Supports input from 5V to 32V for versatile usage.
• Wide Output Voltage Range: Adjustable output from 1.25V to 35V.
• High Conversion Efficiency: With a built-in 4A MOSFET, it achieves up to 94% efficiency.
• High Switching Frequency: Operates at 400KHz for reduced ripple.

• Dual-axis XY Joystick for precise control
• 2 potentiometers for controlling two axes
• Integrated switch for additional functionality
• Compact size, ideal for Arduino projects

The CP2102 USB to TTL UART Serial Converter is ideal for reliable and versatile communication between your USB and serial devices. Key features include:

• 3.3V and 5V dual power output.
• Self-recovery fuse for protection against short circuits.
• Compatible with 3.3V and 5V Arduino boards.
• Power, data reception, and data transmission indicator LEDs.
• 640 byte receive buffer and 512 byte transmit buffer.
• Supports baud rates from 300 bps to 1 Mbps.

• One-button operation for easy countdown timer setting.
• Wide time setting range from 1 to 999 minutes.
• Controls devices with 12V DC output.
• High control capacity of 10A for powerful devices.

• 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

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

Key Features:

• Max output power: +20 dBm
• Working current in transmit mode: 115mA
• Working current in receiver mode: 45mA
• Current in standby mode: 4.2µA
• Operating temperature: -20 to 70 degrees Celsius
• Receiver sensitivity: -92dBm in 2Mbps mode, -95dBm in 1Mbps mode, -104dBm in 250kbps mode
• PA gain: 20dB
• LNA gain: 10dB
• LNA noise figure: 2.6dB
• Antenna gain: 2dBi
• 2M rate range: 520 meters

• Brand New and High Quality
• Resolution: 128x64
• Display Area: 29.42 x 14.7mm (1.16" x 0.58")
• Operating Voltage: 3.3V to 5V

Introducing the ISD1820 Audio Sound Recording Module with Speaker. This versatile module is perfect for various audio applications and features:

• Main chip: ISD1820
• Size: 38mm x 42.5mm
• Working voltage: DC 3-5V
• Easy-to-use 10-second voice recording and playback
• High-quality, natural voice restoration
• Can be used as a megaphone module
• Loop play, jog play, single play function
• Directly drives 8 ohm 0.5W small speakers

Package includes: 1x ISD1820 Audio Sound Recording Module with Speaker

The MQ-6 LPG Gas Sensor Module is designed to detect LPG and Butane gases with high accuracy. Operating at 5V, this sensor provides both TTL digital and analog outputs, making it ideal for environmental monitoring and safety systems.

Key Features:

• Operating Voltage: +5V
• Gas Detection: LPG, Butane
• Analog Output Voltage: 0V to 5V
• Digital Output Voltage: 0V or 5V (TTL Logic)
• Preheat Duration: 20 seconds
• Versatile Use: Can be used as both Digital or Analog sensor
• Adjustable Sensitivity: Sensitivity of the Digital pin can be adjusted using the potentiometer

• USB Type-C Input: Supports 5V Type-C USB input for easy charging and power supply.
• Overcharge Protection: Prevents overcharging with a cut-off voltage of 4.28V.
• Over-discharge Protection: Stops discharge when the battery voltage drops to 3.2V.
• Maximum Output Current: Can provide a charging current of up to 1A (1000mA).

• 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.

• Input Voltage: AC 85 ~ 265V (50/60Hz) for wide compatibility.
• Output Voltage: DC 12V with a tolerance of ±0.2V.
• Output Current: 400mA.
• Power Output: 4.5W.

• Wide Input Voltage Range: 5V to 80V
• Adjustable Output Voltage: 5V to 20V
• Minimum Voltage Drop: 1V
• Maximum Switch Current: 0.8A

The High Frequency Response Probe is designed for easy and quick high-frequency response detection. Suitable for DTL, TTL, and CMOS, this probe offers instant indication and pulse memory function. Key features include:

• Handy, Quick, and Easy to Use
• For DTL, TTL, and CMOS
• High Frequency Response
• Instant Indication
• Pulse Memory Function

• Original chip for reliable Bluetooth communication.
• Compatible with Arduino and other microcontrollers.
• Easy to interface with laptops and mobile phones with Bluetooth.
• Supports multiple communication speeds (baud rates).