• 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

• 10-segment LED bar graph with multi-color display (red, yellow, green, blue)
• Ideal for battery level and power indication
• Compact design with standard 2.54mm pin pitch
• Efficient power usage with low forward current

• Flame and Fire Detection: Detects flame or fire using infrared technology.
• High Power Load: Supports AC 250V/10A and DC 30V/10A for controlling heavy-duty devices.
• Versatile Ports: Includes public side, normally open, and normally closed ports for easy integration.
• Compact Design: Lightweight and easy to install with a net weight of 16g.

• Wide Detection Range: 120°/180° detection angle with a range of up to 12 meters (± 2m)
• Adjustable Settings: Ambient light sensitivity and time-delay (5 seconds to 12 minutes) can be adjusted
• High Load Capacity: Suitable for 500W resistive load (e.g., incandescent lamps) and 150W inductive load (e.g., LED, energy-saving lamps)
• Weatherproof Design: IP44 rated, ideal for both indoor and outdoor use

• Multi-functional maintenance tester for frontline maintenance personnel
• Supports various testing modes: 5V mode, 3.3V mode, automatic mode, etc.
• Compatible with 74ch series, 74ls series, osmo series, CD4000 series, HEF400 series, 4500 series, and more
• Built-in database with over 1300 chip data models and 420 transistor data models

• Mini WIFI board based on the ESP-8266EX chipset
• 11 digital input/output pins, with interrupt/pwm/I2C/one-wire support (except D0)
• 1 analog input (max 3.3V input)
• Micro USB connection for easy integration

• 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

• 802.11 b/g/n Wi-Fi protocol
• 2.4 GHz frequency, supports WPA/WPA2 encryption
• Ultra-compact size: 11.5mm x 11.5mm
• Integrated 10-bit ADC and TCP/IP protocol stack

• 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.

• PLL digital phase lock for stable performance
• 16-level digital volume adjustment
• Frequency range: 87.0-108.0MHz
• Operating voltage: 3-5V

• Quad-band GSM: 850/900/1800/1900 MHz
• GPRS multi-slot class 12/10
• Supports A-GPS with Integrated GPS/CNSS
• Controlled via AT commands

• Accurate Liquid Level Detection with 48mm depth
• Wide Voltage Compatibility from 2.0V to 5.0V
• Analog Output for smooth data processing
• Compact Design with 2.0mm mounting holes

ESP8266 NodeMCU DevKit Development Board is a powerful tool for IoT projects. This board integrates ESP8266 (ESP-12), USB to Serial, and NodeMCU firmware, making it easy to develop applications with minimal peripherals.

• Incorporates ESP8266 (ESP-12)
• USB to Serial integrated
• NodeMCU firmware pre-installed
• 10 GPIO ports
• Supports AT Command and Lua programming

Ideal for developing applications with ease.

• 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

• All GPIOs can be configured as external interrupt input and wake-up source
• One full-duplex UART with a maximum rate of 3 Mbps
• Supports I2C, DAC, PWM, and multiple interfaces
• Built-in 242 KB high-speed SRAM

The Arduino Uno R3 is a versatile and powerful microcontroller board based on the ATmega328P. It is designed for a wide range of applications, from simple projects to complex systems. This board is perfect for beginners and experienced developers alike, offering a robust platform for prototyping and development.