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

I2C Isolator with Bidirectional Clock and Data and two 2/0 Auxiliary GPIOs, SOIC-16 i2c isolator additional gpio SOIC*7.5x10.3mm*P1.27mm*

ARM® Cortex®-M0+ - Microcontroller IC 32-Bit Dual-Core 133MHz External Program Memory 56-QFN (7x7) Part Description The RP2040 by Raspberry Pi is an ARM® Cortex®-M0+ microcontroller featuring a 32-Bit Dual-Core processor capable of running at 133MHz. It supports external program memory and integrates a comprehensive set of peripherals including I2C, IrDA, QSPI, SPI, UART/USART, USB, and more. This IC is packaged in a 56-pin QFN (7x7) with exposed pads, making it ideal for surface-mount applications and high-density designs. Additional features include integrated data converters (4x12b SAR A/D), 264K x 8 RAM, and robust connectivity along with peripherals like brown-out detection, DMA, I2S, LCD control, POR, PWM, and Watchdog Timer. Note that the image is a representation only; exact specifications must be confirmed via the product datasheet. Manufacturer Lead Time: 8 Weeks Packaging Options: Tape & Reel (TR) Cut Tape (CT) Digi-Reel® Hashtags #RP2040 #ARM #CortexM0Plus #DualCore #133MHz #Microcontroller #Embedded #RaspberryPi #56QFN #SurfaceMount #ExternalMemory #TapeAndReel #CutTape #DigiReel

This project is a reference design for an ESP32-WROOM-32D based device. It features USB-C for power and data transfer, onboard voltage regulation, and multiple peripheral connections. It also includes a CH340C for USB to serial conversion #referenceDesign #Module #ESP32 #ESP32WROOM #RF #WIFI #MCU

SDRAM - Mobile LPDDR4X Memory IC 64Gbit Parallel 2.133 GHz 3.5 ns 200-TFBGA (10x14.5) Mobile LPDDR4X SDRAM provides 64Gb (2G × 32-bit) volatile memory for high-speed, low-power embedded and automotive applications. It supports data rates up to 4266 MT/s (2133 MHz clock), operates with 1.1 V nominal core supply and 0.6 V VDDQ, features a 16n prefetch DDR architecture with 8 banks per channel, and is housed in a 200-ball TFBGA package. #Micron #LPDDR4X #SDRAM #DRAM #Memory #64Gbit #2Gx32 #4266MTs #2133MHz #200TFBGA #Embedded #Automotive #HighSpeedMemory #LowPowerMemory #PCBLibrary

I2C Isolator, 2.5 kVrms, Unidirectional Clock, Bidirectional data, SOIC-8 digital isolator i2c SOIC*3.9x4.9mm*P1.27mm*

Battery Power Management IC Multi-Chemistry 14-TSSOP The bq34210-Q1 1-Series Cell System-Side CEDV Fuel Gauge provides fuel gauging and End-of-Service (EOS) Determination for 1-series cell batteries in applications that encounter infrequent discharge, such as eCall systems and uninterruptible power supplies (UPS) for backup during power failures, where batteries may stay connected to a charging power source most of their lifetime until needed. The bq34210-Q1 fuel gauge supports multiple battery chemistries, including Li-Ion, LiFePO4, and NiMH. The gas gauging function uses voltage, current, and temperature data along with Compensated End-ofDischarge (CEDV) technology to provide State-ofCharge (SOC) and State-of-Health (SOH) data. The device's EOS Determination function alerts when battery capability has degraded and is approaching the end of its usable service. Battery fuel gauging with the bq34210-Q1 fuel gauge requires connections only to PACK+ (P+) and PACK– (P–) for a removable battery pack or embedded battery management system. Features 1• Automotive-Qualified AEC-Q100, Grade 3 • 1-Series Cell Battery Fuel Gauge Supports Li-Ion, LiFePO4, and NiMH (3-Cell) Chemistries – Resides on System Board – Powers Directly from the Battery with Integrated LDO – Supports a Low-Value External Sense Resistor (10 mΩ) • Learning Load Enable (LEN) from Host • Ultra-Low Power Consumption in NORMAL (50 µA) and SLEEP (9 µA) Modes • Supports Replacement Batteries • Accurate End-of-Service (EOS) Determination for Batteries in Rarely Discharged Applications • CEDV Gas Gauge for 1-Series Cell Batteries, Providing: – State-of-Charge (SOC) – Time-to-Empty (TTE) – State-of-Health (SOH) • High-Side and Low-Side Current Sensing Options • Internal Temperature Sensor OR External Thermistor • Microcontroller Peripheral Interface Supports: – 400-kHz I 2C™ Serial Interface – Configurable Interrupt (ALERT) for SOC, Battery Levels, Temperature Faults, and Charge/Discharge Status 2 Applications • eCall Systems • Telematics Backup Systems • Uninterruptible Power Supply (UPS) Backup Systems • Emergency Battery Power Modules #BatteryFuelGauge #BatteryManagement #FuelGaugeIC #AutomotiveElectronics #TexasInstruments #LiIonBattery #LiFePO4 #I2C #PowerManagement #AECQ100 #BackupBattery #UPS #EmbeddedSystems

24 Bit Analog to Digital Converter 4, 8 Input 4 Sigma-Delta 56-VQFN (7x7) The ADS127L14 (quad) and ADS127L18 (octal) are 24-bit, delta-sigma (ΔΣ), analog-to-digital converters (ADCs) based on the single-channel ADS127L11. The devices provide simultaneous sampling of four or eight channels with data rates up to 512kSPS (wideband filter mode) and 1365kSPS (low-latency filter mode). Features • Simultaneously measure four or eight channels • Wideband filter mode: up to 512kSPS • Low-latency filter mode: up to 1365kSPS • Power-scalable speed modes: – Max speed: 512kSPS • 83mW (ADS127L14) • 165mW (ADS127L18) – High speed: 400kSPS • 64mW (ADS127L14) • 128mW (ADS127L18) – Mid speed: 200kSPS • 37mW (ADS127L14) • 74mW (ADS127L18) – Low speed: 50kSPS • 12mW (ADS127L14) • 24mW (ADS127L18) • AC performance with DC precision: (High-Speed Mode) – Dynamic range at 200kSPS: 112dB (typical) – THD: –118dB (typical) – INL: 1ppm of FSR (typical) – Offset drift: 10nV/°C (typical) – Gain drift: 0.5ppm/°C (typical) • Precharge buffered signal inputs • Programmable by pin setting or SPI • Frame-sync port for output data • Internal or external clock operation • Analog supply voltage: 2.85V to 5.5V 2 Applications • Test and measurement: – Data acquisition (DAQ) – Shock and vibration instruments – Acoustics and dynamic strain gauges • Factory automation and control: – Condition monitoring • Aerospace and defense: – Sonar • Medical: – Electroencephalograms (EEG) • Grid Infrastructure: – Power quality analyzers #ADS127L14IRSHT #TexasInstruments #ADC #DeltaSigmaADC #24BitADC #SimultaneousSampling #DataAcquisition #IndustrialAutomation #MedicalInstrumentation #PowerQuality #PrecisionMeasurement #EmbeddedSystems

4-Bit Unidirectional Voltage-Level Translator – Four-channel fixed-direction voltage-level translator for logic-level shifting between mixed-voltage digital interfaces. Operates with independent VCCA and VCCB supplies from 1.08 V to 5.5 V, supports data rates up to 200 Mbps, and features Schmitt-trigger inputs for improved noise immunity. Provides 3-state outputs (OE control), push-pull output drivers, partial power-down support (Ioff), and is 5.5 V tolerant on the I/O side when powered appropriately. Specified for operation over a −40°C to +125°C temperature range and housed in a 14-pin TSSOP package. #TexasInstruments #TXU0304 #TXU0304PWR #LevelTranslator #VoltageTranslator #LogicLevelShifter #4BitTranslator #SchmittTrigger #TriStateOutput #DigitalLogic #TSSOP14 #EmbeddedSystems

M.2 PCIe Gen4 Edge Card Connector – 67-position M.2 Key E edge card connector for PCI Express® Gen4 module interconnection. Features a 0.50 mm pitch, right-angle surface-mount solder termination, 67 contacts, 16 Gb/s data rate, and 1 A current rating. Supports 0.80 mm PCB/module thickness and includes board guides, 30 µin (0.76 µm) gold-plated copper alloy contacts, and a liquid crystal polymer (LCP) housing. Specified for an operating temperature range of −40°C to +85°C. #Amphenol #AmphenolICC #MDT420E01411 #M2Connector #PCIeGen4 #KeyE #EdgeCardConnector #67Position #0_5mmPitch #SurfaceMount #HighSpeedConnector #EmbeddedSystems

1/1 Transceiver Half CANbus 8-SON (3x3) CAN Transceiver, 3.3-V to 5-V CAN FD and CAN interface device supporting high-speed differential communication. Features a 1-Mbps CAN FD data rate, ±58-V bus fault protection, standby mode, and operates from a 4.5-V to 5.5-V supply. Available in a VSON-8 package. #CANTransceiver #CANFD #DifferentialCommunication #TexasInstruments

High-Speed Logic Output Optocoupler – Single-channel high-speed optocoupler designed for digital signal isolation, industrial automation, PLCs, motor drives, switching power supplies, data communication, microcontroller interfaces, and embedded control systems. Features an open-collector TTL-compatible output with a 15 MBd data rate, 5 kVrms isolation voltage, and 10 kV/µs minimum common-mode transient immunity (CMTI) for reliable operation in noisy electrical environments. Provides 75 ns maximum propagation delay, 22 ns typical rise time, 6.9 ns typical fall time, and supports up to 50 mA output current. The input consists of a GaAs infrared LED with a 1.38 V typical forward voltage and 20 mA maximum forward current. Operates from a 4.5 V to 5.5 V output-side supply, over a −40°C to +85°C temperature range, and is housed in a compact 8-pin SOIC (SMD) package for space-efficient PCB designs. #LiteOn #6N137STA1 #6N137 #Optocoupler #LogicOptocoupler #DigitalIsolation #HighSpeedIsolation #IndustrialAutomation #MotorDrive #PLC #EmbeddedSystems

25-Position Right-Angle D-Sub Receptacle Connector – Right-angle PCB-mount D-Sub receptacle designed for industrial control systems, communication equipment, instrumentation, embedded computing, test equipment, and data interface applications. Part of the TE Connectivity AMPLIMITE HD-20 Series, it features 25 female signal contacts in a 2-row DB-25 layout with 2.77 mm (0.109") contact pitch. Supports through-hole solder termination, board-lock retention, and 4-40 female screwlocks for secure mating and vibration resistance. Rated for 3 A per contact, it uses gold-plated copper alloy contacts, a nickel-plated steel shell, and a glass-filled PBT housing (UL94 V-0) for excellent durability and signal reliability. Designed for board-mount applications, it operates over a −55°C to +105°C temperature range and is housed in a right-angle through-hole configuration for space-efficient PCB layouts. #TEConnectivity #23117661 #AMPLIMITEHD20 #DB25 #DSubConnector #RightAngleConnector #PCBConnector #BoardMount #IndustrialElectronics #CommunicationEquipment #EmbeddedSystems

8 Channel AFE 24 Bit 42 mW 64-TQFP (10x10) Analog front-end (AFE) for biopotential measurements, designed to acquire low-amplitude signals such as EEG and other electrophysiological data. It integrates eight simultaneous 24-bit delta-sigma ADCs with programmable gain amplifiers (gains of 1, 2, 4, 6, 8, 12, and 24), supports a 2.7 V to 5.25 V analog supply and a 1.65 V to 3.6 V digital supply, communicates through an SPI-compatible interface, and is housed in a 64-pin TQFP package. Hashtags: #AnalogFrontEnd #AFE #Biopotential #EEG #24BitADC #DeltaSigmaADC #ProgrammableGainAmplifier #SPI #EightChannel #TQFP64 #TexasInstruments #MedicalElectronics #ADS1299

2.4 GHz Wi-Fi® + Bluetooth® 5 SoC – High-performance dual-core Xtensa® LX7 wireless System-on-Chip (SoC) for IoT devices, smart home products, industrial automation, AIoT, wearable electronics, HMI systems, and embedded wireless applications. Operates at up to 240 MHz with 512 KB on-chip SRAM and supports external SPI Flash and PSRAM. Integrates Wi-Fi 802.11 b/g/n (2.4 GHz) and Bluetooth® 5 (LE) with Long Range and 2 Mbps PHY, delivering up to +21 dBm transmit power and 150 Mbps maximum Wi-Fi data rate. Features native USB 2.0 OTG, AI vector instructions for machine learning acceleration, 30 GPIOs, SPI, I²C, I²S, UART, RMT, LCD/Camera interface, TWAI® (CAN-compatible), PWM, ADC, capacitive touch sensing, AES-128/256, SHA, RSA, ECC, HMAC, Flash encryption, Secure Boot, and a True Random Number Generator (TRNG) for secure embedded applications. Operates from a 3.0 V to 3.6 V supply, over a −40°C to +105°C temperature range, and is housed in a 56-pin QFN (7 × 7 mm) package. #EspressifSystems #ESP32S3 #WirelessSoC #WiFi #Bluetooth5 #DualCore #XtensaLX7 #USBOTG #AIoT #IoT #SecureBoot #FlashEncryption #EmbeddedSystems

Elevated Through-Hole Socket Strip Connector – 64-position dual-row elevated socket connector designed for board-to-board interconnects, PC/104 embedded systems, industrial control equipment, data acquisition, test instrumentation, and embedded electronics. Part of the Samtec ESQ Series, it features a 2.54 mm (0.100") pitch, through-hole PCB mounting, and 5.7 A current rating per contact with a 550 VAC voltage rating. Constructed with forked phosphor bronze contacts and 20 µin (0.51 µm) gold-plated mating contacts for high reliability and low contact resistance. Features an 11.05 mm elevated LCP (Liquid Crystal Polymer) insulator, square posts, push-pull mating, and solder termination, making it ideal for stacked PCB designs and embedded computing applications. Operates over a −55°C to +125°C temperature range and complies with UL94 V-0 flammability requirements. #Samtec #ESQ13214GD #ESQSeries #SocketStrip #BoardToBoardConnector #PC104 #ThroughHoleConnector #DualRowConnector #GoldPlatedContacts #IndustrialElectronics #EmbeddedSystems

6 GHz / 12 Gbps Clock / Data 1:2 Fanout Buffer with Internal Termination, TQFN-16 buffer clock data TQFN*1EP*3x3mm*P0.5mm*

Optical Sensor I2C Output Optical heart rate and SpO₂ sensor module that integrates a PIN photodiode, three programmable LED drivers, a low-noise analog front end with a 19-bit ADC, ambient light cancellation, and a 128-word FIFO for optical data acquisition. It operates from a 3.0 V to 5.5 V LED supply, supports an I²C-compatible interface, and is designed for reflective heart rate and pulse oximetry measurements in low-power wearable applications. #OpticalSensor #HeartRateSensor #SpO2Sensor #OpticalModule #BiometricSensor #I2C #AnalogDevices

Dual 4-to-1 Data Selector/Multiplexer – Dual independent 4-channel to 1-channel data selector/multiplexer with common address select inputs and individual active-low enable (strobe) inputs. Operates from a 2 V to 6 V supply, features typical 9 ns propagation delay, ±6 mA output drive at 5 V, CMOS-compatible inputs, and supports parallel-to-serial data conversion and cascading. Housed in a 16-pin PDIP package and specified for an operating temperature range of −40°C to +85°C. #TexasInstruments #SN74HC153N #SN74HC153 #Multiplexer #DataSelector #DualMultiplexer #4To1Multiplexer #CMOSLogic #DigitalLogic #ParallelToSerial #PDIP16 #EmbeddedSystems