• Detects conductance of skin
• Includes finger straps for electrodes
• Compatible with 3.3V and 5V systems
• Compact and lightweight design

• Heating voltage: 5 ± 0.2V (AC direct current)
• Operating current: 5-10mA
• Detectable concentration range: PH0-14
• Test temperature range: 0-80 °C

• Triple axis magnetometer for precise magnetic field measurement
• Small and compact size for easy integration into various projects
• I2C communication protocol for efficient data transfer

• 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

• On-board micro-precision current transformer for accurate measurements
• Built-in sampling resistor for stable output
• Supports up to 5A AC current measurement with a corresponding 5mA analog output
• High precision with 0.2% linearity for accurate readings

The 1-Channel Flame Sensor Module for Arduino is an essential component for fire detection systems. With an adjustable precision potentiometer and wide voltage range, this sensor is perfect for various applications. Key features include:

• Operating voltage: 3.3V-5V
• LM393 comparator with wide voltage
• Small panel output interface for direct connection to microcontroller IO port
• Adjustable precision potentiometer for sensitivity adjustment
• Highly sensitive to flame and ordinary light
• Detection wavelength range: 760 nm to 1100 nm
• Detection angle: 60 degrees
• Output with clean signal, good waveform, strong driving ability (>15mA)
• Fixed bolt hole for easy installation

• Adjustable Detection Distance: Ranges from 3CM to 80CM
• Easy to Assemble: Suitable for robotics and assembly line applications
• Visible Light Interference Resistant: Operates well in various lighting conditions
• Compact Size: Lightweight and easy to integrate

The Buzzer Sensor 5V is a reliable component designed to deliver a continuous single tone at 70dB, making it ideal for various alert and notification applications. With a through hole mounting style, this sensor operates within a supply voltage range of 2-4V.

Key Features:

• 70dB sound level at 1 metre
• Continuous tone length
• Single tone
• Through hole mounting style
• Supply voltage: 2-4V
• Maximum decibel: 70dB
• Diameter: 6.7 mm
• Black body colour
• Operating temperature range: -30°C to +70°C

• Accurate temperature and humidity sensing
• I2C and one-wire bus communication
• Wide temperature measurement range (-40°C to 125°C)
• Compact and easy to integrate with Arduino

The FPM10 Fingerprint Recognition Module is versatile and easy to use with various microcontrollers and embedded systems. This module offers stable performance and comprehensive functions, including fingerprint collection, registration, comparison, and search. Ideal for security applications such as fingerprint door locks, safes, and access control systems.

• Supply Voltage: DC 3.6 ~ 6.0V
• Operating Current: <120mA
• Fingerprint Image Input Time: <1.0 seconds
• Window Area: 14 × 18 mm
• Storage Capacity: 1000 templates
• False Recognition Rate (FAR): <0.001%
• False Rejection Rate (FRR): <1.0%
• Host Computer Interface: UART (TTL logic level)
• Communication Baud Rate: (9600 × N) bps

• Wide Voltage Range: Supports a working voltage of 80 ~ 260VAC for various voltage applications.
• High Power Measurement: Can measure up to 100A current and 22000W power, making it ideal for high-power applications.
• Multiple Measurements: Measures Watt (power), Volt, Ampere (current), and Frequency for a complete understanding of the electrical system.
• Accurate: Provides a measurement accuracy of 1.0 for reliable readings.

• Photosensitive Switch: Detects light levels for automatic switching.
• High Load Power: Supports AC 250V/10A and DC 30V/10A for various electrical applications.
• Compact Design: Easy to integrate into projects and systems.

• Wide Voltage Range: Compatible with DC 5-24V, ideal for various voltage-based systems
• Adjustable Delay Close Time: Delay time adjustable between 33 to 300 seconds for versatile applications
• Long Detection Range: Can detect motion from up to 4-5 meters
• Output Connectors Included: Comes with both a DC male plug and a DC female plug for easy integration

• Nine Gesture Recognition Modes: Includes Up, Down, Left, Right, Push, Pull, CW, CCW, and Wave gestures.
• High Gesture Speed: Gesture speed ranges from 60°/s to 600°/s in Normal Mode and 60°/s to 1200°/s in Gaming Mode.
• Proximity Detection: Built-in proximity detection for improved performance.

Monitor temperature and humidity with the Temperature Sensor and Humidity Meter. This insert design sensor features a simple appearance and is powered by 2 x LR44 button batteries (included). It measures temperature within the range of -50°C to +110°C and operates in environments with temperatures from -5°C to +50°C and humidity levels from 5% to 80%. With an accuracy of ±1°C, this sensor is especially suitable for use in refrigerators, chillers, deep freezers, and more.

• Insert design for easy installation
• Temperature range: -50°C to +110°C
• Operating environment: Temperature: -5°C to +50°C, Humidity: 5% to 80%
• Accuracy: ±1°C
• Compact size: 47*28*14mm
• Weight: 22g
• Black and white color
• Includes 2 x LR44 button batteries
• Ideal for use in refrigerators, chillers, and deep freezers

MQ-135 Gas Sensor is designed for wide detecting scope including NH3, NOx, alcohol, Benzene, smoke, and CO2. This sensor offers fast response, high sensitivity, and long-term stability, making it ideal for various applications.

• Wide detecting scope
• Fast response and high sensitivity
• Stable and long life
• Operating Voltage: +5V
• Detects NH3, NOx, alcohol, Benzene, smoke, CO2
• Analog output voltage: 0V to 5V
• Digital output voltage: 0V or 5V (TTL Logic)
• Preheat duration: 20 seconds

Can be used as a digital or analog sensor, with adjustable sensitivity via potentiometer.

• Detects conductance of skin
• Includes finger straps for electrodes
• Compatible with 3.3V and 5V systems
• Compact and lightweight design

• Heating voltage: 5 ± 0.2V (AC direct current)
• Operating current: 5-10mA
• Detectable concentration range: PH0-14
• Test temperature range: 0-80 °C

• Triple axis magnetometer for precise magnetic field measurement
• Small and compact size for easy integration into various projects
• I2C communication protocol for efficient data transfer

• 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

• On-board micro-precision current transformer for accurate measurements
• Built-in sampling resistor for stable output
• Supports up to 5A AC current measurement with a corresponding 5mA analog output
• High precision with 0.2% linearity for accurate readings