WS72324Q-16/TR is a quad low-power operational amplifier featuring rail-to-rail input and output capability. It is optimized for low-voltage, battery-powered applications with ultra-low quiescent current while maintaining good AC performance. The device supports single-supply operation and includes four independent op-amps in a compact QFN 3×3 mm package. Engineering Specifications Manufacturer Will Semiconductor (Will Semi) Part Number WS72324Q-16/TR Device Type Quad Operational Amplifier (4 channels) Package QFN 3×3 mm, 16-pin, 0.5 mm pitch Mounting Type Surface Mount (SMD) Electrical Characteristics Supply Voltage Range 1.8 V to 5.5 V Quiescent Current 42 µA typ per amplifier Gain Bandwidth Product (GBWP) 1.5 MHz Slew Rate 1.1 V/µs Input Offset Voltage ±3 mV max Offset Voltage Drift 1 µV/°C Input Bias Current ~1 pA typ Common Mode Rejection Ratio (CMRR) 101 dB typ Power Supply Rejection Ratio (PSRR) 105 dB typ Output Current (Short Circuit) 43 mA source / 47 mA sink Total Harmonic Distortion + Noise -102 dB @ 1 kHz -90 dB @ 10 kHz Input / Output Characteristics Input Type Rail-to-rail input Output Type Rail-to-rail output Common Mode Input Range (V−) − 0.2 V to (V+) + 0.2 V Output Voltage Swing Near rail-to-rail (load dependent) Load Drive Capability Down to 2 kΩ load Operating Conditions Operating Temperature Range −40°C to +125°C Maximum Supply Voltage 6 V Package Mechanical Data (QFN3x3-16L) Body Size 3.0 mm × 3.0 mm nominal Pin Pitch 0.50 mm Pad Width (b) 0.20 – 0.30 mm Pad Length (L) 0.25 – 0.35 mm Functional Features Rail-to-rail input/output operation Ultra-low quiescent current for battery applications No phase reversal with overdriven inputs No crossover distortion High CMRR and PSRR Stable with capacitive loads Typical Applications Active filters Battery-powered systems Portable medical devices Gas/smoke sensing circuits Low-side current sensing #commonpartslibrary #integratedcircuit

The PICAXE-08M2 is a popular, low-cost 8-pin microcontroller chip known for its ease of use in education and hobbyist projects, offering enhanced features like parallel tasks, touch sensing, I2C, and configurable I/O pins for a small package, serving as a powerful upgrade to older PICAXE 08M chips. It supports up to 6 inputs/outputs, features a BASIC programming environment, and is ideal for getting started with embedded systems due to its simplicity and affordability. #CommonPartsLibrary #Microcontroller #PICAXE

The PICAXE-28X2 is a popular, enhanced X2 microcontroller, based on the PIC18F25K22, known for its power in hobbyist and educational projects, offering up to 22 I/O pins, analog/touch sensing, configurable I/O, I2C, SPI, and high-speed serial, running at up to 64MHz, and programmed with simple BASIC via free software, making it an accessible entry point to embedded systems. #microcontroller #PICAXE

The PICAXE-14M2 is a popular, low-cost microcontroller chip for education and hobbyists, known for its flexible, configurable I/O pins (up to 12 usable), support for parallel tasks, built-in touch sensing, and ringtone generation, all programmed via simple BASIC using free software like the PICAXE Editor. It's a compact 14-pin chip (available in DIP or surface-mount) offering 2048 bytes of memory, 512 bytes RAM, and capabilities for USB/serial data transfer, making it an excellent entry point for microcontroller projects. #Microcontroller #PICAXE

The PICAXE-14M2 is a popular, low-cost microcontroller chip for education and hobbyists, known for its flexible, configurable I/O pins (up to 12 usable), support for parallel tasks, built-in touch sensing, and ringtone generation, all programmed via simple BASIC using free software like the PICAXE Editor. It's a compact 14-pin chip (available in DIP or surface-mount) offering 2048 bytes of memory, 512 bytes RAM, and capabilities for USB/serial data transfer, making it an excellent entry point for microcontroller projects. #microcontroller #PICAXE

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

LoRaWAN Module #Module Enables long-range wireless LoRaWAN communication. This innovative module is engineered for robust, low-power IoT connectivity, making it an ideal solution for smart agriculture, industrial monitoring, and remote sensing applications. Designed with scalability and efficiency in mind, it offers reliable RF performance and seamless integration in diverse environments. The advanced architecture ensures stable and secure wireless communication over extended distances, empowering developers to build smart, connected systems for next-generation applications. #LoRaWAN #WirelessCommunication #IoT #TransceiverModule #LowPower #SmartAgriculture #IndustrialIoT #RemoteMonitoring #LongRangeCommunication

The PICAXE-20M2 is a compact, versatile microcontroller chip popular in education and hobby projects, offering up to 18 configurable I/O pins (with 11 analog/touch channels) and enhanced M2 features like parallel tasking, touch sensing, and music generation, making it a powerful, low-cost choice for home automation, data logging, and prototyping. It provides flexibility with its programmable pins (B.0, C.0, etc.) and supports advanced communication protocols like I2C and SPI. #microcontroller #PICAXE

10KF3950 is an NTC (Negative Temperature Coefficient) thermistor with a nominal resistance of 10 kΩ at 25°C and a B-value of 3950 K. Its resistance decreases as temperature increases, making it suitable for temperature sensing, compensation, monitoring, and control applications in electronic circuits. It is commonly available in compact SMD packages such as 0402, 0603, and 0805. Key Features Resistance at 25°C: 10 kΩ B Constant (25/50°C): 3950 K ±1% Resistance Tolerance: ±1% Operating Temperature Range: -40°C to +125°C Rated Power: 100 mW Fast thermal response due to small chip size High sensitivity to temperature changes RoHS compliant Available in 0402, 0603, and 0805 SMD packages for space-constrained designs Typical Applications Battery pack temperature monitoring Power supply thermal protection Consumer electronics Industrial control systems Automotive electronics HVAC equipment Smart home devices Temperature compensation circuits #CommonPartsLibrary #thermistor #NTC

Air Quality Sensors VOC and NOx (MOX) Gas Pollutant Sensor The SGP41-D-R4 is a compact digital gas sensor developed by Sensirion for indoor air quality monitoring applications. It is designed to detect volatile organic compounds (VOC) and nitrogen oxides (NOx) using Sensirion’s CMOSens® sensor technology. The device integrates sensing elements, analog front-end circuitry, calibration memory, and digital signal processing within a miniature surface-mount package, enabling accurate and reliable environmental sensing with minimal external components. The sensor communicates through a standard I²C digital interface and is optimized for low-power operation, making it suitable for battery-powered and portable electronic systems. The SGP41 is intended for use in air purifiers, HVAC systems, smart home devices, wearable electronics, environmental monitoring equipment, and other applications requiring real-time indoor air quality assessment. The device supports humidity-compensated measurements when paired with an external humidity and temperature sensor, improving long-term stability and measurement accuracy. Factory calibration eliminates the need for manual calibration during manufacturing. Key Features Digital VOC and NOx gas sensing CMOSens® technology integration I²C communication interface Fully calibrated and linearized output Humidity compensation capability Low power consumption operation Compact DFN surface-mount package Fast response and recovery characteristics Optimized for indoor air quality applications RoHS and halogen-free compliant Electrical Characteristics Supply voltage operation compatible with low-voltage embedded systems Low average current consumption suitable for portable devices Integrated digital signal processing and calibration memory I²C serial communication support with standard addressing Stable operation across industrial temperature ranges Mechanical Characteristics Small DFN package optimized for compact PCB layouts Surface-mount assembly compatible Low-profile package suitable for space-constrained designs Moisture-sensitive device requiring proper handling during assembly Functional Characteristics Simultaneous VOC and NOx sensing capability Real-time indoor air quality monitoring Compensation support for environmental humidity effects Long-term measurement stability Fast startup and measurement readiness Designed for continuous sensing applications Typical Applications Indoor air quality monitoring systems Smart thermostats and HVAC controllers Air purifiers and ventilation systems Smart home and IoT devices Portable environmental monitoring equipment Wearable health and wellness devices Building automation systems Consumer electronics requiring air quality detection #Sensor #Transducer #Gas#Sensor #SGP41

Connector Header Through Hole 6 position 0.100" (2.54mm) The PEC06SAAN is a compact, low-cost incremental rotary encoder manufactured by Bourns. It is designed for user interface applications requiring precise rotational input, such as volume controls, menu navigation, and position sensing. This encoder provides reliable quadrature output signals and is suitable for through-hole PCB mounting. Its robust mechanical design ensures long operational life and consistent performance in consumer and industrial electronics. Key Features Incremental (relative) rotary encoder Compact, space-saving design Through-hole mounting configuration Quadrature output (A and B channels) Optional integrated push switch (depending on variant) Detent and non-detent options available High reliability with long rotational life RoHS compliant Electrical Characteristics Supply voltage: Typically 5 VDC (logic-level output) Output type: Digital quadrature (A/B signals) Contact resistance: ≤ 100 mΩ Insulation resistance: ≥ 100 MΩ @ 250 VDC Dielectric strength: 300 VAC for 1 minute Mechanical Characteristics Rotation type: Incremental Number of pulses per revolution (PPR): Typically 6 to 24 (variant dependent) Detent positions: Variant dependent Rotational torque: 10 to 70 gf·cm (typical range) Shaft length: Varies by suffix (e.g., 15 mm typical) Shaft type: Knurled or D-cut (variant dependent) Mounting type: Through-hole PCB Terminal type: PC pins Environmental Specifications Operating temperature range: −30°C to +70°C Storage temperature range: −40°C to +85°C Humidity: Up to 85% RH (non-condensing) Mechanical Life Rotational life: Up to 30,000 cycles (typical) Physical Dimensions Body size: Approximately 12 mm × 11 mm × 5 mm (excluding shaft) Shaft diameter: Typically 6 mm Pin pitch: Standard 2.54 mm Applications Consumer electronics (audio controls, appliances) Industrial control panels Embedded systems and microcontroller interfaces Automotive user interfaces Instrumentation and test equipment #commonpartslibrary #connector #header

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

32 Bit Analog to Digital Converter 5, 10 Input 1 Sigma-Delta 28-TSSOP The ADS1263IPW is a high-precision, low-noise analog-to-digital converter designed for demanding industrial, instrumentation, and sensor measurement applications. Manufactured by Texas Instruments, this device integrates a delta-sigma ADC architecture with programmable gain amplification, precision voltage reference support, sensor biasing functions, and extensive diagnostic capabilities. It is optimized for applications requiring extremely high resolution and accuracy when measuring low-level analog signals. The device supports direct interfacing to bridge sensors, thermocouples, RTDs, pressure sensors, strain gauges, and other precision transducers. Integrated system monitoring and fault detection features simplify implementation in safety-critical and high-reliability systems. Flexible input multiplexing and multiple data-rate options allow the converter to be used across a wide range of precision data acquisition applications. The ADS1263IPW communicates through a standard SPI-compatible serial interface and operates from low-voltage analog and digital supplies. The device is packaged in a thermally efficient TSSOP package suitable for compact embedded system designs. Electrical Characteristics The converter utilizes a delta-sigma ADC core with extremely high effective resolution and low input-referred noise performance. It supports differential and single-ended analog input configurations with programmable gain settings for low-level sensor measurements. The integrated programmable gain amplifier supports multiple gain selections for direct amplification of small analog signals. The converter includes internal offset and gain calibration functions to improve system-level measurement accuracy. The device provides low drift characteristics and high common-mode rejection performance suitable for precision industrial environments. Analog Features The converter supports multiple analog input channels through an integrated input multiplexer. Internal sensor bias current sources are available for RTD and resistive sensor excitation applications. Integrated digital filtering options allow optimization between noise performance and conversion speed. Simultaneous rejection of power-line interference frequencies is supported for industrial measurement systems. The device includes internal temperature sensing and diagnostic monitoring functions for enhanced system reliability. Digital Interface Communication is implemented through an SPI-compatible serial interface supporting flexible host controller integration. The interface supports command-based register access, data readback, and configuration management. Programmable data rates allow balancing between throughput and precision requirements. Power Requirements The device operates from separate analog and digital supply rails to improve noise isolation and measurement accuracy. Low-power operating modes are supported for energy-sensitive applications. Protection and Diagnostics Integrated fault detection and monitoring functions include sensor open-circuit detection, reference monitoring, supply monitoring, and internal self-test capability. These features improve reliability in industrial and safety-oriented systems. Package Information The ADS1263IPW is supplied in a TSSOP package with fine-pitch lead spacing suitable for high-density PCB layouts and automated assembly processes. Typical Applications Industrial process control systems Precision data acquisition equipment Temperature measurement systems Pressure and bridge sensor interfaces Weigh scale and load-cell instrumentation Laboratory and test instrumentation Medical instrumentation Energy monitoring and metering systems #commonpartslibrary #integratedcircuit #analog #digital #converter

The ORP OEM™ Circuit is a compact, OEM-ready electrochemical interface board that provides accurate oxidation-reduction potential (ORP) measurement from an ORP probe to your embedded system. Designed for use by developers, engineers, and manufacturers, this board simplifies integration of ORP sensing into custom hardware and industrial products. #Module #Part

Pressure Sensor -0.57PSI ~ 0.57PSI (-3.92kPa ~ 3.92kPa) Gauge Male - 0.1" (2.5mm) Tube 7 b 12-SMD, No Lead, Top Port The MMR920C04ARE, manufactured by Mitsumi Electric, is a surface-mount pressure sensor that measures low differential (gauge) pressure with high accuracy. It integrates sensing, signal conditioning, and digital output in a single package, making it easy to interface with microcontrollers. Sensor Type: MEMS-based gauge pressure sensor Pressure Range: ±0.57 PSI (±3.92 kPa) Output Interface: Digital (supports I²C and SPI) Resolution: 7-bit output (internally higher-resolution processing available) Supply Voltage: 3.0 V to 3.6 V Accuracy: حوالي ±0.65% full scale Package: 12-SMD, no-lead, top-port (compact ~7×7×7.2 mm) Port Type: 2.5 mm tube (barbless) for airflow or gas connection Features: Built-in temperature compensation Fast sampling capability Factory-calibrated digital output #CommonPartsLibrary #Sensor #Pressure-Sensor #Transducer

24GHz mmWave Sensor for XIAO - Human Static Presence is a expansion board for Seeed Studio XIAO series. It is an antenna-integrated, high-sensitivity mmwave radar sensor that is based on the FMCW principle. Combined with radar signal processing and accurate human body sensing algorithms, it can identify human bodies in motion and stationary states.