The ESP32-WROOM-32E (16MB) is a highly integrated Wi-Fi + Bluetooth + Bluetooth Low Energy (BLE) module developed by Espressif. It is based on the ESP32-D0WD-V3 chip and features a dual-core processor, rich peripherals, and large flash memory—making it ideal for IoT, embedded systems, and wireless applications. This module is part of the upgraded WROOM-32E series, offering improved RF performance, better stability, and enhanced reliability compared to earlier versions like the 32D. Key Features (16MB Variant) Processor & Memory Dual-core Xtensa® 32-bit LX6 CPU, up to 240 MHz 520 KB SRAM + 448 KB ROM 16 MB SPI Flash (large storage for firmware/data) Optional variants with PSRAM for memory-intensive tasks Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth v4.2 (BR/EDR + BLE) Integrated PCB antenna (no external antenna needed) Peripherals & Interfaces Up to 26–38 GPIOs (depending on usage) Supports: UART, SPI, I2C, I2S PWM (LED & motor control) ADC, DAC Capacitive touch sensors SD/SDIO/MMC, CAN (TWAI) Electrical & Physical Operating voltage: 3.0V – 3.6V Operating temperature: –40°C to +85°C (industrial range) Compact size: 18 × 25.5 × 3.1 mm Typical Applications Smart home devices (lighting, appliances) IoT sensors and gateways Industrial automation systems Wearables and smart gadgets Audio/voice processing (thanks to dual-core + large flash) #module #ESP32 #16MB

Accelerometer X, Y, Z Axis ±2g, 4g 1.5kHz 14-CLCC (6x6) General Description The ADXL354BEZ is a low noise, low drift, low power, 3-axis MEMS accelerometer designed for high precision sensing applications. It provides analog voltage outputs proportional to acceleration along the X, Y, and Z axes. The device is optimized for applications requiring high resolution and long-term stability, including structural health monitoring, condition monitoring, tilt sensing, and seismic measurements. The sensor features excellent temperature stability, minimal offset drift, and selectable measurement ranges. Its very low noise density makes it suitable for vibration analysis and other sensitive measurement environments. Key Features 3-axis MEMS accelerometer with analog outputs Selectable measurement ranges of ±2 g, ±4 g, and ±8 g Ultra-low noise density of approximately 20 µg/√Hz Low offset drift across temperature Low power consumption of approximately 150 µA (typical) High resolution and measurement stability Integrated temperature sensor output Hermetically sealed package for improved environmental robustness Functional Description The ADXL354BEZ measures acceleration using capacitive MEMS sensing elements arranged along three orthogonal axes. When acceleration is applied, the internal sensing structure experiences displacement, causing a change in capacitance. This change is converted into an analog voltage output for each axis. Each axis produces a continuous-time analog signal, allowing direct interfacing with external analog-to-digital converters or signal conditioning circuits. Internal signal conditioning ensures low noise performance and stable output behavior. Electrical Characteristics (Typical) The device operates with a supply voltage ranging from 2.25 V to 3.6 V. Typical supply current during normal operation is approximately 150 µA. The noise density for all three axes is around 20 µg/√Hz. The bandwidth is user selectable and can reach up to approximately 1.5 kHz. The output signals are analog and ratiometric with respect to the supply voltage. Mechanical Characteristics The ADXL354BEZ is housed in a compact leadless chip carrier (LCC) package with approximate dimensions of 5 mm by 5 mm. It is designed for surface-mount installation. The sensing axes are aligned orthogonally to provide accurate three-dimensional acceleration measurement. Performance Characteristics High resolution suitable for precision sensing applications Low temperature coefficient and minimal drift over time High linearity across the full-scale measurement range Excellent long-term stability Low cross-axis sensitivity for improved accuracy Pin Configuration Overview The device includes power supply and ground connections, along with individual analog outputs for each axis labeled XOUT, YOUT, and ZOUT. A self-test pin is provided for functionality verification, and a temperature output pin allows monitoring of internal device temperature. Operating Conditions The device is designed to operate over a temperature range from −40°C to +125°C. Storage temperature ranges from −65°C to +150°C. The recommended supply voltage range is 2.25 V to 3.6 V. Applications Structural health monitoring Industrial condition monitoring Seismic and geophysical sensing Tilt and inclination measurement Platform stabilization systems Vibration analysis Advantages Extremely low noise performance for high sensitivity applications Stable operation across wide temperature ranges Simple analog interface without the need for digital communication protocols Robust packaging suitable for harsh environments Compliance and Reliability The ADXL354BEZ is RoHS compliant and designed for industrial-grade applications. It offers high reliability and long-term performance stability in demanding operating conditions. #commonpartslibrary #sensor #accelerometer

2.4GHz -98dBm SMD,19.2x18mm RF Transceiver Modules and Modems RoHS The ESP32-WROOM-32UE-N16 is a 2.4 GHz wireless MCU module built around the ESP32 SoC. It combines a dual-core processor, integrated Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 (Classic + BLE), along with rich peripherals. The “UE” variant specifically uses a U.FL / IPEX connector for an external antenna, making it ideal for applications that require better RF performance or flexible antenna placement (e.g., enclosed products or long-range communication). The “N16” indicates 16 MB external flash memory, suitable for large firmware, OTA updates, and data-heavy applications. Processing Dual-core Xtensa LX6 32-bit CPU Clock speed up to 240 MHz Memory 16 MB Flash (N16 variant) ~520 KB SRAM + 448 KB ROM Connectivity Wi-Fi: 802.11 b/g/n (up to 150 Mbps) Bluetooth: v4.2 (BR/EDR + BLE) Frequency: 2.4 GHz band Antenna External antenna via U.FL connector Better range and flexibility vs PCB antenna Interfaces / Peripherals GPIO (≈26 usable pins) UART, SPI, I2C, I2S, SDIO ADC, DAC PWM (LED & motor control) Capacitive touch sensing Security Hardware encryption: AES, SHA, RSA Secure boot & flash encryption support Power Operating voltage: 3.0V – 3.6V (typ. 3.3V) Multiple low-power modes for battery applications Environmental Operating temperature: -40°C to +85°C Physical Surface-mount module (~38 pins / 52 pads depending on reference) Compact and RF-shielded design Typical Applications Smart home devices (IoT) Industrial automation Wireless sensors and data loggers Wearables and consumer electronics Remote monitoring systems #Module #ESP32

Standard (General Purpose) Amplifier 2 Circuit Rail-to-Rail 8-SOIC The MCP6042-I/SN specification defines the engineering requirements for a low-power dual operational amplifier designed for precision analog signal conditioning applications. This specification establishes the functional, electrical, mechanical, environmental, and quality requirements necessary to ensure stable and accurate analog performance across a wide range of embedded, industrial, and consumer electronic systems. The device is intended for use in applications requiring low offset voltage, low input bias current, and stable operation under low supply conditions. It is suitable for signal buffering, sensor signal conditioning, filtering, and general-purpose analog amplification in battery-powered and low-energy electronic systems. Engineering Requirements The operational amplifier shall be manufactured using advanced CMOS process technology to ensure low power consumption, high input impedance, and stable analog performance. The device shall maintain consistent operation under defined electrical, thermal, and environmental conditions without degradation of signal integrity. The amplifier architecture shall support dual independent channels with stable gain characteristics and predictable linear response across the intended operating range. Output performance shall remain stable under capacitive loading and dynamic signal conditions typical of embedded analog systems. Electrical characteristics shall ensure low noise operation, low offset behavior, and reliable signal amplification with minimal distortion. The device shall maintain functional stability during power-up, power-down, and transient operating conditions. Mechanical and package construction shall be suitable for surface-mount assembly and shall ensure robust handling during manufacturing, soldering, and system integration. Workmanship shall be free from defects such as contamination, cracks, bonding issues, or structural inconsistencies that could affect electrical or mechanical reliability. Inspection, validation, and testing shall be performed using controlled procedures and calibrated measurement systems to ensure compliance with all applicable engineering and quality requirements. Any deviation from this specification shall require formal engineering review, documented justification, and approval through established change control processes. Documentation Supporting documentation shall include official datasheets, electrical characterization reports, qualification data, inspection records, and revision-controlled manufacturing documentation. All records shall be maintained under formal configuration management and quality assurance systems to ensure traceability and consistency. Revision Control Any modification to this specification shall be managed through the formal engineering change control system. All revisions shall undergo technical review, validation, and approval prior to implementation to ensure continued compliance with design intent and applicable standards. #EngineeringSpecification #OperationalAmplifier #AnalogIC #MicrochipTechnology #LowPowerDesign #SignalConditioning #EmbeddedSystems #ElectronicsDesign #QualityAssurance #EngineeringDocumentation

2.4GHz Wi-Fi+Bluetooth LE SoC ESP32-S3FH4R2 is a highly integrated low-power Wi-Fi and Bluetooth LE System-on-Chip (SoC) from Espressif Systems. It is based on a dual-core Xtensa® LX7 processor running at up to 240 MHz and is designed for IoT, smart home, industrial control, AIoT, audio processing, and embedded applications. The ESP32-S3FH4R2 variant includes 4 MB of in-package Quad SPI Flash and 2 MB of in-package Quad SPI PSRAM, reducing external component count and simplifying PCB design. Key Features Dual-core Xtensa® LX7 CPU Up to 240 MHz operating frequency 32-bit architecture with floating-point unit (FPU) SIMD instructions for AI and signal-processing workloads Integrated Memory 4 MB in-package Flash 2 MB in-package PSRAM 512 KB on-chip SRAM 384 KB ROM Additional RTC memory for low-power operation Wireless Connectivity IEEE 802.11 b/g/n 2.4 GHz Wi-Fi Bluetooth® 5 Low Energy (LE) Long-range and low-power wireless communication support Rich Peripheral Set Up to 45 programmable GPIOs USB OTG and USB Serial/JTAG SPI, I²C, I²S, UART, SDIO TWAI® (CAN 2.0 compatible) Camera interface LCD interface PWM, pulse counter, RMT, DMA controller Analog Features Two 12-bit SAR ADCs Temperature sensor 14 capacitive touch sensing inputs Security Features Secure Boot Flash Encryption AES, SHA, RSA, HMAC hardware accelerators True Random Number Generator (RNG) Digital Signature peripheral Low-Power Operation Multiple power-saving modes ULP-RISC-V coprocessor ULP-FSM coprocessor Deep-sleep support with RTC memory retention

The TTP223-BA6 is a single-channel capacitive touch sensor integrated circuit designed to replace traditional mechanical push buttons with a reliable touch-sensitive interface. The device utilizes capacitive sensing technology to detect human touch through conductive and non-conductive surfaces, enabling sleek and durable user interface designs. It features low power consumption, stable operation, high sensitivity, and simple implementation, making it suitable for consumer electronics, home appliances, industrial controls, smart devices, and embedded applications requiring touch-based input functionality. Engineering Specification Device Type Capacitive Touch Sensor Controller Sensing Method Capacitive Touch Detection Channel Configuration Single Touch Input Channel Output Configuration Digital Logic Output Operating Mode Momentary Touch Mode Toggle Touch Mode Sensitivity Control External Adjustment Capability Response Characteristics Fast Touch Detection Response Noise-Resistant Operation Stable Capacitive Sensing Performance Power Characteristics Low Power Consumption Optimized for Battery-Powered Applications Low Standby Current Operation Interface Compatibility Microcontrollers Embedded Processors Digital Logic Systems Human-Machine Interface Circuits Protection Characteristics High Immunity to Environmental Interference Reliable Touch Detection Performance Package Style SOP Surface-Mount Package Mounting Type Surface Mount Technology Applications Touch Buttons Consumer Electronics Home Appliances Smart Switches Control Panels Portable Devices IoT Products Industrial User Interfaces Lighting Controls Interactive Embedded Systems Features Single-Key Capacitive Touch Interface Mechanical Button Replacement Low Power Operation High Sensitivity Detection Adjustable Touch Parameters Compact Package Design Simple Circuit Integration Stable Environmental Performance Long Operational Life RoHS Compliant Construction Manufacturer TONTEK Design Technology #commonpartslibrary #integratedcircuit #touchsensor #capacitivetouch #humanmachineinterface #embeddedsystems #consumerelectronics #industrialelectronics #iot #controlpanel #smartdevices #sensorinterface #digitalinterface #lowpower #electroniccomponents

16 Bit Digital to Analog Converter 1 10-VSSOP The DAC80501MDGSR is a high-precision, single-channel digital-to-analog converter developed by Texas Instruments for industrial, instrumentation, and embedded control applications requiring accurate voltage output generation. The device integrates a low-drift voltage reference, precision output buffer, and serial peripheral interface communication into a compact low-power solution optimized for high-resolution signal generation. Designed for applications such as programmable power supplies, process control systems, automated test equipment, and sensor calibration, the device delivers excellent linearity, low noise performance, and stable output characteristics across varying environmental conditions. The integrated architecture minimizes external component requirements while maintaining high accuracy and long-term reliability. The converter supports rail-to-rail output operation and offers flexible reference configurations to accommodate different system architectures. Its SPI-compatible digital interface enables straightforward integration with microcontrollers, processors, and FPGA-based systems. Electrical Characteristics The device operates from a single analog supply and supports precision voltage output generation with monotonic performance across the full operating range. Integrated precision reference circuitry provides low temperature drift and stable output characteristics suitable for high-accuracy measurement and control systems. Low glitch energy, low offset error, and low gain error characteristics improve output stability during code transitions. The output amplifier is capable of driving moderate capacitive loads while maintaining signal integrity and settling performance. Interface and Control Communication is implemented through a high-speed SPI-compatible serial interface supporting standard synchronous digital communication protocols. The interface allows direct programming of DAC output codes and internal configuration registers. The device supports daisy-chain capable serial communication architecture for simplified expansion in multi-device systems. Internal registers provide control of reference operation, power management, and output configuration functions. Power Management The DAC80501MDGSR incorporates low-power operating modes intended for energy-sensitive applications. Integrated power-down functionality reduces current consumption during inactive system states while preserving configuration integrity. Internal circuitry is optimized for low quiescent current operation without compromising output precision or dynamic response performance. Package Information The device is supplied in a compact VSSOP surface-mount package suitable for space-constrained industrial and embedded designs. The package configuration supports automated assembly processes and standard PCB manufacturing techniques. Typical Applications Typical applications include industrial automation, programmable voltage sources, data acquisition systems, sensor simulation, instrumentation equipment, motor control systems, and precision calibration platforms. The device is particularly suitable for systems requiring stable and repeatable analog voltage generation with minimal external circuitry. #commonpartslibrary #integratedcircuit #analog #digital #converter

Buck Switching Regulator IC Adjustable 1 Output 1000mA SOT-23-6 The LGS5145 is a step-down DC/DC regulator with internal switching, featuring SKIP control mode, which combines low quiescent current with high switching frequency to achieve high efficiency over a wide range of load currents. The SKIP mode uses a short “burst” cycle to switch the inductor current through the internal power MOSFETs, followed by a sleep cycle in which the power switch is turned off and the load current is supplied by the output capacitor. At light loads, the burst cycle is a fraction of the total cycle time, minimizing the average supply current and greatly improving efficiency at light loads. The LGS5145 has a wide input voltage range of 4.5V55V, minimizing the need for external surge suppression components.The LGS5145 features an integrated low resistance 0.6Ω high-side power MOSFET that provides at least 1A of output current capability with excellent load and line transient response. Junction temperature range from -40°C to +125°C ■ All ports are ESD protected to 3000V (HBM). ■ Wide input voltage range: 4.5V-55V ■ 600mΩ High Side Metal Oxide Semiconductor Field Effect Transistors ■ At least 1000mA continuous current output capability ■ Up to 90% efficiency ■ SKIP mode provides very high light load efficiency ■ 1.2MHz fixed operating frequency ■ Internal compensation helps reduce solution size, cost and design complexity ■ Supports capacitive start for large loads ■ Cycle-by-cycle overcurrent protection ■ Output short circuit protection ■ thermal shutdown protection ■ Available in ultra-small package SOT23-6 package #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Voltage-regulator #Switching-regulator

ESP32-S3 interactive capacitive-touch multi-LED controller, 5V input with 3.3V regulation, SPI ILI9341 TFT, shared I2C touch plus 16x2 LCD, and exactly three NPN LED driver channels with test points and debug annotations