LM35 Precision Temperature Sensor

The LM35 is a precision temperature sensor with an analog output voltage linearly proportional to the Celsius temperature. Key features include:

• Calibrated directly in Celsius (Centigrade)
• Linear output with a scale factor of 10 mV/°C
• Accuracy of ±0.5°C at 25°C
• Operating range: -55°C to 150°C
• Low self-heating: less than 0.1°C in still air
• Low power consumption: less than 60 µA
• Low output impedance: 0.1 Ω for 1 mA load
• Non-linearity: only ±0.01°C typical

• High-Precision Oximeter Sensor for heart rate and SpO2 monitoring.
• I2C Interface for easy microcontroller integration.
• Compact & Lightweight design.
• Low Power Consumption, ideal for battery-powered applications.

Monitor heart rates accurately with the PulseSensor Pulse Heartbeat Rate Sensor for Arduino. Key features include:

• Biometric pulse rate or heart rate detection
• Plug and play type sensor
• Operating Voltage: +5V or +3.3V
• Current Consumption: 4mA
• Inbuilt amplification and noise cancellation circuit
• Diameter: 0.625”
• Thickness: 0.125”

Perfect for Arduino projects to measure heart rates accurately and reliably.

The GY-BME/BMP280-3.3 is a precision altimeter and atmospheric pressure sensor module featuring the Bosch Sensortec BME/BMP280 Temperature, Humidity, and Pressure Sensor. The breakout board includes selectable I2C address jumpers, I2C pull-up resistors, a 7-pin header (2.54mm), and two mounting holes (3.5mm). It supports both single and dual power rail configurations with Vdd and Vdd_IO options. This module is perfect for various environmental monitoring applications, offering reliable and accurate measurements.

• BME/BMP280 sensor for temperature, humidity, and pressure
• Selectable I2C address jumper
• I2C pull-up resistors
• 7-pin header (2.54mm)
• Two mounting holes (3.5mm)
• Single or dual power rail configuration (Vdd and Vdd_IO)

• Low current consumption: 5 mA at 5 VDC, ideal for energy-efficient designs
• Wide voltage range: Operates effectively between 3 VDC to 12 VDC
• High-temperature tolerance for various applications (-40°C to 150°C)
• Excellent ESD protection, up to ±4 kV

Easily measure pH levels with the Digital LCD pH Meter Pen. This high-accuracy tester features a large LCD display, fast results, and a compact design, making it ideal for aquariums, swimming pools, spas, school laboratories, and more.

Key Features:

• Easy to Use: Simply immerse the electrode for quick readings on a large LCD display
• Wide Application: Ideal for aquariums, fishing, pools, spas, laboratories, food & beverage, drinking water
• Auto Calibrated: Built-in calibration with 2 buffer powders, just press a button to calibrate
• Fast and Accurate Results: Resolution of 0.1 pH, Accuracy: ±0.1 pH
• Compact Portable Design: Lightweight and pocket-sized for easy carrying

• Compact Size: Ideal for space-constrained installations
• Lightweight Design: Easy to handle and install
• Sealed Case: Resists baking, ensuring high accuracy
• Long Service Life: Rated for 10,000+ cycles at the rated load

• Compact Size: Ideal for space-saving installations
• Lightweight Design: Easy to handle and install
• Sealed Case: Resistant to baking, providing durability and longevity
• High Accuracy: Precise temperature control

• High-precision 50kg capacity load cell for accurate weight measurement
• Half-bridge strain gauge technology for enhanced performance
• Suitable for use in body scales and other weighing systems
• Output sensitivity of 1.0±0.1 mV/V

• Wide Supply Voltage: Operates within DC 10-30V.
• High Output Current: Supports 200mA current output.
• Accurate Detection: Capable of detecting both metal and non-metal materials within a range of 1-10mm.
• Fast Response: 100Hz response frequency ensures quick detection.

Discover the MQ-3 Gas Sensor Module, a reliable component for detecting alcohol levels in various applications in Bangladesh. Operating at 5VDC, it features both digital and analog outputs, making it ideal for integrating with microcontrollers and DIY projects.

Introducing our 2.2" Flex Sensor, designed for high-precision bend sensing applications. Patented by Spectra Symbol, this flex sensor increases resistance as it bends, offering accurate and reliable performance. With a connector spacing of 0.1", it is breadboard friendly and easy to integrate into various projects.

Key Features:

• 2.2" length for precise bend sensing
• Patented technology by Spectra Symbol
• Used in the original Nintendo Power Glove
• Resistance increases with bending
• Breadboard-friendly with 0.1" connector spacing

• MEMS-based pressure sensor for accurate air pressure measurement
• Wide operating temperature range from -40°C to 125°C
• Multipurpose application in automotive, industrial, and medical fields
• Compact DIP-6 package for easy integration into circuits

The MQ-2 Gas Sensor Module is designed to detect various gases, including LPG, Alcohol, Propane, Hydrogen, CO, and Methane. Operating at +5V, this versatile sensor provides both analog and digital outputs, with adjustable sensitivity via a potentiometer.

Key Features:

• Operating Voltage: +5V

• Gas Detection: LPG, Alcohol, Propane, Hydrogen, CO, Methane

• Analog Output Voltage: 0V to 5V

• Digital Output Voltage: 0V or 5V (TTL Logic)

• Preheat Duration: 20 seconds

• Versatile Use: Can be used as both Digital or Analog sensor

• Adjustable Sensitivity: Digital pin sensitivity can be adjusted using the potentiometer

• Reliable temperature control switch for overheat protection
• NC (Normal Close) contact type for safety
• Designed with a metal case for durability
• Rated for 250V and 5A, suitable for various applications

• Wide Voltage Support: Operates on 5-30V DC, ensuring compatibility with various power sources.
• PH Measurement Range: Measures soil pH levels from 3 to 9, suitable for agricultural and environmental monitoring.
• High Accuracy: Provides reliable readings with an accuracy of ±0.3 pH.
• Durable Design: Features IP68-rated water protection, ideal for outdoor and wet environments.