IOT weather monitoring system with ESP32

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Humidity, Pressure, Temperature 0 ~ 100% RH I²C, SPI ±3% 1 s Surface Mount BME280 I2C breakout module The BME280 integrates three sensors—temperature, relative humidity, and pressure—along with a high-performance digital interface. It communicates via I²C or SPI, making it easy to interface with microcontrollers like Arduino, ESP32, and STM32. It is designed for low power consumption, making it suitable for battery-powered applications such as portable weather stations and smart home devices. Key Features Environmental Sensing Measures: Temperature Relative Humidity Barometric Pressure Enables altitude estimation based on pressure readings High Accuracy Temperature: ±1.0°C (typical) Humidity: ±3% RH (typical) Pressure: ±1 hPa (typical) Low Power Consumption Typical current: ~0.6 µA (sleep mode) ~3.6 µA (measurement mode) Ideal for battery-operated devices Communication Interfaces Supports: I²C (up to 3.4 MHz) SPI (3-wire / 4-wire) Easy integration with most microcontrollers Compact Package Small footprint: 2.5 × 2.5 × 0.93 mm LGA package Suitable for space-constrained designs Built-in Features Factory-calibrated coefficients stored in NVM Configurable oversampling and filtering Integrated ADC for high-resolution measurements #commonpartslibrary #sensor #humidity #pressure

Humidity, Temperature 0 ~ 100% RH I2C ±1.8% RH 4 s Surface Mount The SHT41I-AD1B-R2 is a high-accuracy digital humidity and temperature sensor from Sensirion designed for industrial and harsh-environment applications requiring reliable environmental monitoring. The device integrates calibrated relative humidity and temperature sensing elements with signal processing and digital communication in a compact surface-mount package. It provides fully calibrated digital output through an I²C interface, enabling straightforward integration into embedded systems, industrial controllers, HVAC equipment, environmental monitoring systems, portable instrumentation, and IoT devices. The sensor incorporates low power consumption, fast response time, and enhanced long-term stability for precision sensing applications. Engineering Specification Manufacturer: Sensirion AG Manufacturer Part Number: SHT41I-AD1B-R2 Device Type: Digital Relative Humidity and Temperature Sensor Sensor Functions: Relative Humidity Measurement and Temperature Measurement Humidity Sensing Range: Full Relative Humidity Range Support Temperature Sensing Range: Wide Industrial Temperature Operating Range Humidity Accuracy: High-Precision Calibrated Measurement Temperature Accuracy: High-Precision Calibrated Measurement Output Interface: I²C Digital Serial Interface Supply Voltage: Low Voltage Operation Compatible with Embedded Systems Power Consumption: Ultra-Low Power Consumption Calibration: Factory Calibrated and Linearized Response Time: Fast Environmental Response Repeatability: High Measurement Repeatability Long-Term Stability: Optimized for Industrial Reliability Integrated Features: Signal Conditioning, Analog-to-Digital Conversion, Temperature Compensation, CRC Data Integrity Checking Package Type: Surface-Mount DFN Package Mounting Style: Surface Mount Technology Application Areas: Industrial Automation, HVAC Systems, Environmental Monitoring, Smart Sensors, Portable Devices, Data Loggers, IoT Equipment, Building Automation, Weather Monitoring Systems Compliance Features: RoHS Compliant and Halogen-Free Packaging Support #CommonPartsLibrary #Sensor #Transducer #Moisture-Sensor #SHT4

Pressure Sensor 4.35PSI ~ 18.13PSI (30kPa ~ 125kPa) Absolute 10-WFLGA The BMP581 is a high-precision digital barometric pressure sensor designed for altitude tracking, environmental monitoring, navigation, weather sensing, and industrial measurement applications. It integrates a MEMS pressure sensing element with a low-noise analog front end and digital signal processing to deliver highly accurate pressure and temperature measurements over a wide operating range. The device supports low-power operation, making it suitable for portable, battery-powered, and always-on sensing systems. The sensor communicates through standard digital interfaces and includes configurable sampling, filtering, and interrupt features for flexible system integration. Its compact package enables use in space-constrained embedded designs such as wearables, mobile devices, drones, smart home systems, IoT devices, and industrial instrumentation. Engineering Specification Device Type Digital barometric pressure and temperature sensor Manufacturer Bosch Sensortec Pressure Measurement High-resolution absolute pressure measurement with integrated temperature compensation Temperature Measurement Integrated digital temperature sensing for environmental monitoring and pressure compensation Pressure Range Wide atmospheric pressure sensing range suitable for altitude and environmental applications Interface Support I²C and SPI digital communication interfaces Supply Voltage Low-voltage operation optimized for embedded and portable systems Power Consumption Ultra-low power modes with configurable performance and sampling settings Measurement Features Oversampling support with programmable output data rate and internal filtering Accuracy High absolute and relative pressure accuracy for precise altitude estimation and environmental sensing Noise Performance Low-noise sensor architecture for stable pressure readings and improved altitude resolution Interrupt Features Configurable interrupt generation for data-ready and threshold-based events FIFO Support Integrated FIFO buffering for efficient sensor data management Operating Temperature Industrial temperature operating capability for consumer and industrial environments Package Type Compact surface-mount package optimized for small PCB footprint designs Applications Altitude tracking, indoor navigation, weather stations, drones, wearable electronics, IoT sensing, HVAC systems, industrial monitoring, and portable devices #CommonPartsLibrary #Sensor #Transducer #PressureSensor

Pressure Sensor 203.05PSI (1400kPa) Absolute 24 b 8-SMD Module The MS580314BA01-00 is a high-resolution digital absolute pressure sensor module from TE Connectivity Measurement Specialties. It integrates a precision MEMS pressure sensing element, a 24-bit ΔΣ ADC, and factory-calibrated coefficients to provide highly accurate digital pressure and temperature measurements. The sensor supports both I²C and SPI communication interfaces, making it easy to interface with a wide range of microcontrollers while requiring minimal external components. It is designed for low-power, high-accuracy applications such as altimeters, depth measurement systems, weather monitoring, industrial pressure sensing, and portable instrumentation. Key Features Digital absolute pressure sensor with integrated MEMS sensing element High-resolution 24-bit ΔΣ ADC with factory calibration Supports I²C and SPI digital interfaces Pressure range up to 14 bar (1400 kPa / 203 psi) Supply voltage: 1.8 V to 3.6 V Integrated temperature measurement for compensation and monitoring Low power consumption, suitable for battery-powered devices Operating temperature range: −40°C to +85°C Excellent long-term stability with low hysteresis Compact 8-SMD module for surface-mount PCB assembly Requires few or no external components for operation #PressureSensor #MEMS #AbsolutePressure #DigitalSensor #24BitADC #I2C #SPI #LowPower #IndustrialElectronics #Altimeter #DepthMeasurement #WeatherMonitoring #TEConnectivity #SurfaceMount #EmbeddedSystems

Pressure Sensor 4.35PSI ~ 18.13PSI (30kPa ~ 125kPa) 9-LGA The BMP585 is a high-precision digital barometric pressure sensor designed for accurate altitude and environmental pressure measurement in compact, low-power embedded systems. It integrates a MEMS sensing element with advanced signal conditioning and digital compensation circuitry to provide highly stable and reliable pressure and temperature data across a wide operating range. The device is optimized for portable electronics, industrial sensing, indoor navigation, weather monitoring, drones, and IoT applications requiring precise atmospheric measurements. The sensor supports digital communication through standard serial interfaces, enabling straightforward integration with modern microcontrollers and processors. Its low noise performance, high resolution, and fast response characteristics make it suitable for applications involving motion tracking, vertical positioning, and environmental monitoring. The compact surface-mount package allows efficient PCB layout integration in space-constrained designs. The BMP585 incorporates configurable sampling, filtering, and power management features to balance measurement accuracy, bandwidth, and energy consumption. Internal calibration and compensation algorithms reduce system-level complexity while improving long-term stability and measurement consistency. The device is designed for robust operation under varying environmental conditions and supports low-power modes for battery-operated systems. Engineering Specification Device Type Digital barometric pressure and temperature sensor Sensor Functions Atmospheric pressure sensing Temperature sensing Altitude estimation support Pressure Measurement High-resolution MEMS pressure sensing element Integrated digital compensation and calibration Low-noise pressure measurement architecture Temperature Measurement Integrated temperature sensing for environmental monitoring and pressure compensation Communication Interface I²C interface support SPI interface support Power Features Low-power operation Configurable performance and sampling modes Sleep and standby operating capability Signal Processing Integrated digital filtering Configurable oversampling Internal compensation engine Package Information Compact surface-mount package RoHS-compliant construction Operating Characteristics High measurement stability Fast response time Designed for portable and industrial environments Application Areas Wearable devices Indoor navigation systems Portable weather stations Industrial monitoring IoT sensing nodes Drones and altitude tracking systems Consumer electronics #commonpartslibrary #integratedcircuit #pressuresensor

MCP9808 - Temperature Sensor Evaluation Board The Adafruit 1782 MCP9808 Temperature Sensor Breakout is a compact sensor evaluation board that enables high-accuracy digital temperature measurement using the MCP9808 sensor IC. It supports an I²C communication interface, allowing simple connection to microcontrollers while maintaining high precision over a wide operating temperature range. Key Features High Accuracy Temperature Sensing: Typical accuracy of ±0.25°C for reliable temperature monitoring. Wide Temperature Range: Measures temperatures from -40°C to +125°C. Digital I²C Interface: Simple two-wire communication interface for easy integration with embedded systems. High Resolution: Provides temperature resolution up to 0.0625°C. Wide Supply Voltage Range: Operates from 2.7V to 5.5V, compatible with common logic levels. Multiple Device Addressing: Configurable address pins allow multiple sensors to share the same I²C bus. Compact Breakout Board Design: Includes supporting components and headers for quick prototyping. Low Power Consumption: Suitable for battery-powered and portable applications. Applications IoT environmental monitoring Weather stations Industrial temperature monitoring Battery management systems Data logging equipment Embedded control systems Hashtags #Adafruit1782 #MCP9808 #TemperatureSensor #DigitalSensor #I2C #EmbeddedSystems #IoT #Arduino #RaspberryPi #SensorModule #ElectronicsDesign #HardwareDevelopment

Humidity, Temperature 0 ~ 100% RH I2C ±1.8% RH 4 s Surface Mount The SHT41-AD1B-R3 is a high-precision digital humidity and temperature sensor developed by Sensirion. It integrates calibrated sensing elements, analog signal processing, and a digital communication interface within a compact surface-mount package optimized for space-constrained embedded applications. The device is designed for accurate environmental monitoring across industrial, consumer, HVAC, portable electronics, and IoT systems. The sensor utilizes Sensirion CMOSens® technology to provide stable long-term performance, fast response time, and excellent repeatability under varying environmental conditions. Factory calibration enables direct digital output without the need for external calibration circuitry. The integrated I²C interface simplifies system integration with microcontrollers and embedded processors. The SHT41-AD1B-R3 is engineered for low-power operation, making it suitable for battery-powered and energy-efficient designs. Its compact DFN package supports automated assembly processes and high-density PCB layouts. The device also incorporates advanced internal diagnostics and checksum protection to improve communication reliability and data integrity. Features High-accuracy relative humidity sensing High-accuracy temperature measurement Fully calibrated and linearized digital output I²C digital communication interface Low power consumption optimized for portable systems Fast response and measurement conversion time Excellent long-term stability and repeatability Integrated heater functionality for condensation mitigation Wide operating voltage range Compact surface-mount DFN package Factory-trimmed and tested performance High immunity to environmental stress and contamination Low drift over product lifetime Suitable for reflow soldering processes Electrical Characteristics Supply voltage supports low-voltage embedded systems Digital communication compatible with standard I²C hosts Low standby current consumption Optimized active measurement current Integrated CRC data protection for communication integrity Environmental Characteristics Wide operating temperature range Wide relative humidity operating range Designed for high reliability in industrial and consumer environments Resistant to moisture-induced performance degradation Supports long operational lifetime with stable calibration Package Information Compact DFN surface-mount package Moisture-sensitive device suitable for automated assembly RoHS compliant and halogen-free construction Tape-and-reel packaging configuration for production assembly Applications Environmental monitoring systems HVAC and climate control equipment Smart home and IoT devices Portable electronics Industrial automation systems Data loggers and instrumentation Weather monitoring equipment Indoor air quality monitoring Battery-powered sensor nodes Consumer electronic products #commonpartslibrary #sensor #temperature #humidity #environmentalsensor #i2c #embedded #industrial #iot #sensirion

The AS3935 Lightning Detector gives you lightning detection for your next weather project. #IoT #sensor #AS3935

Fully calibrated temperature and humidity sensor with digital output and I²C interface The AHT30 is a high-precision digital temperature and humidity sensor developed by AOSONG Electronics. It integrates a capacitive humidity sensing element, a temperature sensor, and a dedicated ASIC in a compact DFN package. The device provides fully calibrated digital output through an I²C interface, offering low power consumption, excellent long-term stability, and reliable performance in demanding environmental conditions. It is widely used in smart home devices, HVAC systems, industrial controls, weather monitoring equipment, IoT devices, and consumer electronics. Key Features Fully calibrated digital temperature and humidity sensor I²C digital communication interface Relative humidity measurement range: 0% to 100% RH Temperature measurement range: -40°C to +85°C High accuracy: up to ±2% RH and ±0.3°C (typical) Wide operating voltage: 2.2 V to 5.5 V Low power consumption Fast response time Excellent long-term stability Strong anti-interference capability Compact DFN package suitable for reflow soldering Optimized ASIC with improved MEMS sensing technology Applications Smart home and IoT devices HVAC and air quality monitoring Weather stations Consumer electronics Medical equipment Industrial monitoring and control systems Refrigerators, dehumidifiers, and air conditioners Hashtags #AHT30 #AOSONG #TemperatureSensor #HumiditySensor #EnvironmentalSensor #I2C #MEMS #SmartHome #IoT #HVAC #IndustrialAutomation #WeatherMonitoring #EmbeddedSystems #ElectronicsDesign #PCBDesign

Humidity, Temperature 0 ~ 100% RH I2C ±2% RH 8 s Surface Mount The SHTC3-TR-10KS is an ultra-low-power digital humidity and temperature sensor from Sensirion designed for space-constrained and battery-powered applications such as wearables, mobile devices, IoT sensors, smart home products, and environmental monitoring systems. It integrates calibrated humidity and temperature sensing elements with a digital I²C interface in a compact 2 mm × 2 mm DFN package. Key Features Measures both relative humidity and temperature Humidity accuracy of up to ±2% RH Wide humidity measurement range: 0% to 100% RH Integrated digital I²C interface Ultra-low power consumption optimized for battery-operated devices Supply voltage range: 1.62 V to 3.6 V Compact 4-pin DFN (2 × 2 mm) surface-mount package Fully calibrated and temperature compensated Fast response time suitable for real-time environmental sensing Operating temperature range: −40°C to +125°C Supports sleep and low-power operating modes for portable electronics Typical Applications Wearable devices Smartphones and tablets HVAC and smart thermostats IoT environmental monitoring Home automation systems Portable weather stations Consumer electronics #CommonPartsLibrary #Sensor

Sensor Modules BME280 Environmental Sensor LGA-8_BME280_BL LCSC Part Number: C431940 JLCPCB Part Class: Extended Part Manufactured by Waveshare(微雪电子) Bosch BME280 combined digital humidity, barometric pressure and temperature environmental sensor, compact metal-lid LGA package with 2.5 x 2.5mm footprint and 0.93mm height, low power consumption for battery-powered devices, high accuracy humidity and pressure measurement, integrated temperature sensor for compensation and ambient temperature estimation, SPI and I2C interfaces, 1.71V to 3.6V sensor supply range, 1.2V to 3.6V interface supply range, sleep/normal/forced operating modes, current consumption down to 0.1µA in disabled state, suitable for indoor navigation, home automation, health care, GPS refinement and weather monitoring applications. Search Keywords: BME280, Bosch BME280, Bosch Sensortec BME280, BME280 environmental sensor, BME280 humidity pressure temperature sensor, BME280 barometric pressure sensor, BME280 temperature humidity sensor, BME280 I2C SPI sensor, BME280 LGA, 2.5x2.5mm sensor, low power environmental sensor, digital humidity sensor, digital pressure sensor, BMP280 compatible sensor, BME280 datasheet Hashtags: #BME280 #BoschBME280 #BoschSensortec #EnvironmentalSensor #HumiditySensor #PressureSensor #TemperatureSensor #BarometricPressureSensor #DigitalSensor #I2CSensor #SPISensor #LowPowerSensor #LGA8 #25x25mmSensor #IndoorNavigationSensor #WeatherSensor

Pressure Sensor 2.9PSI ~ 36.26PSI (20kPa ~ 250kPa) Absolute Male - 0.19" (4.93mm) Tube 0.2 V ~ 4.9 V 6-SIP Module The MPX4250AP is an integrated silicon pressure sensor designed for measuring absolute pressure in automotive, industrial, and embedded control applications. Utilizing advanced piezoresistive sensing technology, the device provides a highly accurate analog voltage output that is directly proportional to the applied pressure. It incorporates on-chip signal conditioning, temperature compensation, and calibration circuitry to deliver stable and reliable performance across varying environmental conditions. The sensor is commonly used in engine management systems, manifold absolute pressure monitoring, altitude measurement, pneumatic controls, weather monitoring equipment, and general-purpose pressure sensing applications requiring precise and repeatable measurements. Engineering Specifications Manufacturer: NXP Semiconductors Part Number: MPX4250AP Device Type: Absolute Pressure Sensor Sensor Technology: Silicon Piezoresistive Pressure Measurement: Absolute Pressure Output Type: Analog Voltage Signal Conditioning: Integrated Temperature Compensation: Integrated Calibration: Factory Calibrated Supply Configuration: Single Supply Operation Response Time: Fast Dynamic Response Accuracy: High Accuracy Pressure Measurement Sensitivity: Optimized for Automotive and Industrial Applications Package Type: Through-Hole Unibody Package Mounting Style: Through-Hole Port Style: Single Pressure Port Operating Temperature Range: Automotive and Industrial Grade RoHS Compliant: Yes Applications: Automotive Engine Control, Manifold Pressure Monitoring, Altitude Measurement, Industrial Automation, Pneumatic Systems, Environmental Monitoring, Embedded Control Systems Key Features Integrated signal conditioning circuitry Temperature-compensated output Factory-calibrated performance High reliability and long-term stability Analog voltage output proportional to pressure Suitable for harsh automotive environments Fast response and accurate pressure sensing Simplified system integration with minimal external components #MPX4250AP #PressureSensor #AbsolutePressureSensor #NXP #PiezoresistiveSensor #AutomotiveElectronics #EngineManagement #MAPSensor #IndustrialAutomation #EmbeddedSystems #AnalogSensor #EnvironmentalMonitoring #ControlSystems #SensorTechnology #ElectronicComponents #PCBDesign #SignalConditioning #PressureMeasurement #AutomotiveSensor #IndustrialElectronics

15 µH Shielded Drum Core, Wirewound Inductor 3.5 A 92mOhm Max Nonstandard The SRP7050TA-150M is a high-performance photovoltaic module designed for utility-scale and large commercial solar power applications. The module utilizes advanced monocrystalline cell technology to deliver high energy conversion efficiency, reliable power generation, and long-term operational stability under varying environmental conditions. Its robust mechanical construction and optimized electrical characteristics provide dependable performance in demanding outdoor installations, including regions exposed to high wind loads, elevated temperatures, and extended solar irradiance. The module is engineered to support high system voltage configurations while maintaining low degradation rates and enhanced energy yield over its service life. The design incorporates reinforced framing, tempered high-transmission glass, and weather-resistant encapsulation materials to ensure durability against moisture ingress, ultraviolet exposure, and mechanical stress. The product is suitable for fixed-tilt and tracker-based mounting systems and is compatible with standard industry installation practices. Electrical performance is optimized for maximum power output with improved temperature behavior and reduced resistive losses. The module supports efficient integration into modern photovoltaic systems requiring high-density energy production and reliable long-term operation. Safety and quality compliance are aligned with internationally recognized photovoltaic module standards for performance, durability, and environmental resilience. The SRP7050TA-150M is intended for grid-connected solar energy systems where high efficiency, operational reliability, and reduced balance-of-system costs are critical project requirements. #commonpartslibrary #inductor