• Serial Baud Rate: Supports baud rates from 1200 to 460800bps.
• Working Frequency Band: Operates on 850/900/1800/1900 MHz.
• Control Mode: Uses AT commands (3GPP TS27.007).
• GPRS: Supports PPP connection and embedded TCP/IP protocol.

• 3.2-inch 480x320 TFT LCD screen with high-quality image display and wide viewing angle.
• Equipped with SD card socket and SPIFLASH circuit for enhanced functionality.
• Compatible with Arduino UNO & MEGA 2560 development boards.
• Supports UTFT, UTFT_Buttons, and Utouch libraries for easy integration.

• 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 humidity sensor with ±3% RH accuracy.
• Temperature measurement with ±0.4°C accuracy.
• Wide operating range from 0% to 100% RH and -40°C to +125°C.
• Low power consumption with 150 μA active current and 60 nA standby current.

• 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.

• Ideal for Prototyping: Perfect for building custom circuits, especially for Arduino projects.
• Single-Sided Design: Simplifies soldering and circuit design.
• Durable Construction: Made from high-quality material with a copper thickness of 1 oz.
• Customizable Design: Can be easily modified to fit specific project needs.

• 4pcs 50kg Half-bridge strain gauge load cells for accurate weight measurement
• Includes 1x HX711 AD Weight Module for high-precision measurements
• Suitable for use in electronic scales, including body scales
• HX711 uses a 24-bit high precision A/D converter chip

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

• Compact size with a physical dimension of 48 x 29 x 22 mm, perfect for small spaces.
• Self-powered; requires no external power supply, making it easy to install and use.
• High accuracy measurement with a range of 7V to 100V, ±(1% + 1 Digit).
• Clear red LED display with three 0.56-inch digital tubes for easy readability.

• 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.

• 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

• Lithium Battery Charging: Charges lithium batteries with a voltage range of 3.3V to 4.2V.
• Boost Power Supply: Provides a 5V/1A boost power supply for efficient energy delivery.
• Recommended Charging Voltage: Works optimally with 5V charging voltage.
• Max. Charging Current: Supports a maximum charging current of 1A.

Optimize your motor performance with the PWM Motor Speed Controller 1203BK. This versatile controller supports a wide range of input voltages from DC 6V to 28V and can handle a maximum current of 3A, making it perfect for various applications.

• Model: 1203BK
• Function: Speed control
• Power Source: Electric
• Input Voltage: DC 6V - 28V
• Maximum Current: 3A
• Material: Plastic/Metal
• Size: Approx. 50 x 32 x 15 mm

Package Includes: 1 x PWM DC speed controller

• Onboard Precision Micro Voltage Transformer
• High-Precision Operational Amplifier Circuit for exact signal sampling and compensation
• Adjustable Output Mode for measuring AC voltage up to 250V
• Output Signal: Sine wave with a median (DC component)

• Wireless charging transmitter module, compatible with WPC standard wireless receivers
• Supports up to 5W charging power for fast and efficient charging
• Foreign body detection (FOD) function to ensure safety
• Low static power consumption with high efficiency

• Reserved M3 mounting holes for easy fixing in small car models
• Compact size: 2.5cm x 1.9cm
• Ideal for collision detection in robots or car models
• Simple pin configuration for easy connections

• Serial Baud Rate: Supports baud rates from 1200 to 460800bps.
• Working Frequency Band: Operates on 850/900/1800/1900 MHz.
• Control Mode: Uses AT commands (3GPP TS27.007).
• GPRS: Supports PPP connection and embedded TCP/IP protocol.

• 3.2-inch 480x320 TFT LCD screen with high-quality image display and wide viewing angle.
• Equipped with SD card socket and SPIFLASH circuit for enhanced functionality.
• Compatible with Arduino UNO & MEGA 2560 development boards.
• Supports UTFT, UTFT_Buttons, and Utouch libraries for easy integration.

• 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 humidity sensor with ±3% RH accuracy.
• Temperature measurement with ±0.4°C accuracy.
• Wide operating range from 0% to 100% RH and -40°C to +125°C.
• Low power consumption with 150 μA active current and 60 nA standby current.

• 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.