• Monitors ECG (Electrocardiogram) signals
• Measures heart rate and pulse with high accuracy
• Compact and easy to integrate with Arduino or other microcontrollers
• Low power consumption

• 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

• 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

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

• Low Power Consumption: Operates on a supply voltage of 2.4V-3.6V, typically 3.0V, and consumes only 0.12mA of current.
• Wide Measuring Range: Measures light intensity from 1lx to 65535lx.
• I2C Communication: Uses I2C bus for data transmission, making it easy to integrate with microcontrollers.
• High Accuracy: Offers ±20% accuracy in light measurements.

• Wide Supply Voltage Range: 1.8V to 3.6V
• Low Power Consumption: 0.5µA at 1Hz
• I2C Interface for easy integration
• Max I2C Speed: 3.5MHz

• Capacitive touch sensing with high sensitivity
• Easy to use with minimal external components required
• Small and compact design for easy integration
• Low power consumption for efficient operation

• High-sensitivity microphone for capturing subtle sound changes
• Compatible with Arduino and other microcontroller platforms
• Analog output with threshold level output flip for flexibility
• Equipped with a power indicator and comparator output light for easy monitoring

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

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

• Light Detection: Detects ambient brightness and light intensity.
• Adjustable Sensitivity: Sensitivity can be adjusted via the blue digital potentiometer.
• Wide Voltage Range: Operates within 3.3V to 5V voltage range.
• Digital Output: Provides digital switching outputs (0 and 1) via the D0 pin.

• 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.

• Wide Input Voltage Range: Supports DC voltage from 0V to 25V.
• High Voltage Detection Precision: Detects voltages between 0.02445V and 25V.
• Analog Voltage Resolution: Provides an analog voltage resolution of 0.00489V.
• Easy to Connect: Connects easily with Arduino AD pins via a 3P connector.

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

Specifications:

• Module supply voltage: DC 5V
• Working environment temperature: -40 ° C ~ 85 ° C
• Communication interface: IIC
• Ultra low power consumption: programmable sample rate and LED current
• Save power; ultra-low standby current (0.7μA, typical)
• Size: 5.6mm x 3.3mm x 1.55mm

Package:

1x High Accuracy I2C MAX30105 Particle Optical Sensor Photodetectors Board Module Smoke Detection Flame Module 1.8V

• Voltage: 3.3V
• Resolution: 500dpi
• Backlight Color: Blue
• Interface: TTL Serial