• Imported normally-open reed switch for reliable performance
• Comparator output with clear signal and clean waveform
• High driving ability with more than 15mA output

The Ublox NEO-6M GPS Module offers high precision and sensitivity, making it ideal for various applications, including cars and other mobile setups. Key features include:

• High precision binary output
• High sensitivity for indoor applications
• Battery for power backup
• EEPROM for storing configuration settings
• Flexible mounting with ufl cable connected antenna
• Serial TTL output with four pins: TX, RX, VCC, and GND
• Configurable from 4800 Baud to 115200 Baud rates (default 9600)
• Cold start time: 38s, Hot start time: 1s
• SuperSense ® Indoor GPS: -162 dBm tracking sensitivity
• Operating temperature: -40 to 85°C
• 5Hz position update rate
• UART TTL socket
• Dimension: 22x30x13 mm
• Weight: 12g

• Dual Output Voltages: 5.0V and 3.3V
• Input: Can be powered via DC wall wart or USB port
• Voltage Selection: 2-pin shunt jumper for output voltage selection
• Independent Control: Each rail can be

• 4-Line Display: 20 characters per line, ideal for detailed data visualization.
• I2C Interface: Simplifies wiring and reduces required pins for Arduino and similar controllers.
• Adjustable Backlight & Contrast: Includes potentiometer and jumper for easy adjustments.
• High Compatibility: Works seamlessly with microcontrollers like Arduino and Raspberry Pi.

The 5V 4-Channel Relay Module is ideal for controlling multiple devices with a single microcontroller. With a maximum output of DC 30V/10A and AC 250V/10A, it ensures reliable switching and robust performance for various projects.

• High-quality ABS material ensures durability and long-lasting use.
• Designed to securely hold two 18650 batteries.
• Compact and lightweight design for easy integration into projects.
• Hard pin connections provide stable and reliable performance.

• Ultra-low power consumption (<50uA quiescent current)
• Wide working voltage range (DC 4.5V–20V)
• High sensitivity with <100° detection angle
• Compact and lightweight design

The 8x8 LED Matrix Module (60x60mm) QFT2388ASR is ideal for building custom LED displays that can be interfaced with an Arduino microcontroller. This module includes 64 LEDs, capacitors, resistors, and a MAX7219CNG serially interfaced 8-digit LED display driver, making it perfect for DIY projects.

Key Features:

• LEDs: 64 x 5mm White LEDs
• Capacitors: 1 x 10uF electrolytic, 1 x 0.1uF ceramic
• Resistors: 1 x 10k ohm resistor
• Driver IC: MAX7219CNG Serially Interfaced 8-Digit LED Display Driver
• Power Supply: Compatible with Arduino
• Dimensions: 60x60mm

• Non-Contact Switching: Detects magnetic fields without physical contact.
• Voltage Compatibility: Operates at DC 5V, making it ideal for microcontroller projects.
• KY-003 Model: Designed for magnetic, speed, and capacitance induction applications.
• Arduino Compatible: Perfect for DIY electronics and robotics projects.

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

• Supports static to 1/32S scan mode
• Wi-Fi and U-Disk communication port
• Displays full-color text, images, time, and temperature
• 999 programs with remote switch support

• Converts SOP28, SOIC28, and SO28 to DIP28 format
• 1.27mm pin pitch for compatibility with various ICs
• 28-pin socket for versatile use
• Suitable for testing and programming ICs

The DS3231 Real Time Clock Module is a high-accuracy timekeeping solution designed for various applications. Key features include:

• Chipset: DS3231
• Interface: I2C
• Operating Voltage: 3.3V to 5.5V
• Temperature Range: -40°C to +85°C
• Accuracy: ±2ppm from 0°C to +40°C, ±3.5ppm from -40°C to +85°C
• Timekeeping Current: < 500nA
• Battery Backup: CR2032 (included)
• Memory: 32kHz crystal oscillator and 2-wire I2C interface
• Dimensions: Varies depending on the manufacturer, but typically small and PCB-sized

This package includes one DS3231 Real Time Clock Module.

• Compact Size: With a size of 8.6mm x 12.33mm, this module is small and suitable for tight spaces.
• Low Input Voltage: Accepts input voltages ranging from 4.2V to 10V.
• Stable Output: Provides a stable 3.3V output with a current output of 800mA.
• Efficient Power Conversion: Ideal for stepping down voltage in small electronic projects.

• Voltage Support: 3.3V and 5V
• Chipset: FT232RL
• Overcurrent Protection: 500mA self-reset fuse
• Communication Indicator: RXD/TXD transceiver indicator

• Supports HUB75 port full color module, including ICN2038 IC
• Supports static to 1/32S scan mode
• Control range: 768*128, with a maximum width of 1280 and height of 256
• Communication ports: Wi-Fi and U-Disk