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

• 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

• High Sensitivity: Maximum sensitivity at 570 nm with a wide half-angle of ±60° for better light detection
• Ambient Light Detection: Ideal for measuring ambient light intensity
• Visible Light Spectrum: Sensitive to visible light, while inhibiting infrared (IR) spectra
• Versatile Application: Can be used in applications where light intensity needs to be measured, such as in lighting control systems or environmental monitoring

• Onboard TTP229 Capacitive 16-Key Touch Sensing IC
• Supports 16 capacitive touch buttons for seamless touch control
• Onboard power indicator for status monitoring
• Adjustable output modes, key response, and power settings

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

• Durable Material: Made from high-quality aluminum for lightweight and durability.
• Precise Measurement: 0~1kg weighing range with excellent accuracy.
• Stable Output: Rated output of 1.0 ± 0.1mV/V ensures reliable data.
• High Insulation Resistance: Ensures safety and consistent performance.

HC-05 Bluetooth Module ( Refurbished)

• Compact and Lightweight ideal for small projects
• 5V DC Working Voltage easy to power with standard supply
• Short Detection Range suitable for detecting small metallic objects
• Simple to Use with clear instructions for connection

• 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

• Measures water flow accurately within a range of 0.3–6 L/min.
• Compact and lightweight design with durable construction.
• Operates on a wide voltage range (5~12 V) with low current consumption.
• Offers high precision with ±5% accuracy for flows of 0.3–3 L/min.

The 4-ARRAY Infrared Tracking Obstacle Avoidance Car Sensor is designed for Arduino projects, offering reliable tracking and obstacle avoidance capabilities. This sensor operates at 3.3V to 5V DC, providing adjustable detection distances between 1 mm to 60 cm. Ideal for robotics and smart car applications.

Key Features:

• Working Voltage: 3.3V to 5V DC

• Current Requirement: Use more than 1A power supply

• Working Temperature: -10°C to +50°C

• Detection Distance: 1 mm to 60 cm adjustable

• Installation: M3 screw aperture

• Control Plate Size: 44 mm x 30 mm x 8.5 mm

• Small Board Sensor (Obstacle Avoidance): 11 mm x 25 mm x 10 mm

• Small Plate Sensor (Tracking): 20 mm x 11 mm x 15 mm

• Optical Heart-Rate Monitor
• Pulse Oximetry Solution
• Small and compact design
• Ideal for wearable devices

• 49E Analog Hall Effect Sensor: Detects magnetic fields with precision.
• North and South Pole Detection: Differentiates between magnetic poles effectively.
• Magnetic Field Strength Detection: Provides analog output proportional to the magnetic field strength.
• Adjustable Digital Output: Triggers digital output when the magnetic strength exceeds the adjustable set-point.

• Accurate Turbidity Measurement: Detects water clarity using light transmission
• Analog & Digital Output: Supports both analog (0~4.5V) and digital signal output
• Adjustable Sensitivity: On-board potentiometer for threshold tuning
• LED Indicators: Red for power, green for digital output status

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

• Onboard TTP224 capacitive touch sensor IC
• Supports 4 touch keys for multi-button applications
• Flexible working voltage: 2.4V - 5.5V
• Adjustable output modes and key output modes