- ESP32-WROOM-32UE Transceiver; 802.11 b/g/n (Wi-Fi, WiFi, WLAN), Bluetooth® Smart Ready 4.x Dual Mode 2.4GHz Evaluation Board The ESP32-DEVKITC-32UE is a development board based on the ESP32 series SoC designed by Espressif. It is widely used for IoT, embedded systems, and wireless communication applications due to its built-in Wi-Fi and Bluetooth capabilities. Microcontroller: ESP32 dual-core Tensilica LX6 processor Wireless Connectivity: Wi-Fi (802.11 b/g/n) and Bluetooth (Classic + BLE) Flash Memory: Integrated SPI flash (varies by module version) Development Interface: USB-to-UART bridge for easy programming and debugging Power Supply: Typically powered via USB or external 5V input GPIO Pins: Multiple multifunction GPIOs supporting ADC, DAC, PWM, SPI, I2C, UART, etc. Supports deep sleep and ultra-low power modes Multiple peripheral interfaces (SPI, I2C, UART, SDMMC, PWM) Compatible with ESP-IDF, Arduino IDE, and MicroPython Built-in antenna (UE variant uses U.FL or external antenna option depending on module design) IoT devices and smart home systems Wireless sensor networks Data logging and monitoring systems Robotics and automation Embedded control systems #commonpartslibrary #developmentboard #esp32 #wroom

USB-C (USB TYPE-C) USB 2.0 Receptacle Connector 24 (16+8 Dummy) Position Board Edge, Cutout; Surface Mount; Through Hole, Right Angle The USB4520-03-0-A from Global Connector Technology (GCT) is a mid-mount USB Type-C connector that supports USB 2.0 signaling. It is engineered for space-saving PCB layouts, combining both surface-mount and through-hole (hybrid) mounting for improved mechanical strength and reliability. It features a right-angle, board-edge design, making it suitable for devices where the USB-C port needs to be accessible from the edge of the enclosure. Electrical & Interface USB Type-C receptacle (female) Supports USB 2.0 data transfer 24 total positions (16 active + 8 dummy pins) for mechanical compatibility Reversible plug orientation (standard USB-C feature) Mechanical Design Mid-mount (mid-plane) design → partially recessed into PCB for lower profile Right-angle orientation for edge-mounted applications Hybrid mounting: Surface-mount signal pins Through-hole shell tabs for mechanical reinforcement Designed for board-edge cutout integration Form Factor & Durability Compact footprint for space-constrained designs Robust retention due to through-hole anchor tabs Typically rated for thousands of mating cycles (standard for USB-C connectors) Application Use Cases Embedded systems (e.g., ESP32-based boards) Consumer electronics (chargers, hubs, IoT devices) Industrial control interfaces Portable devices requiring USB-C power/data Design Notes (Important for PCB Layout) Requires PCB cutout for mid-mount placement Pay attention to: Keepout zones under the connector Differential pair routing (D+ / D−) for USB 2.0 Ensure proper mechanical anchoring to avoid stress on SMT pads #commonpartslibrary #connector #usb #typec

Humidity, Temperature 0 ~ 100% RH I2C ±2% RH 8 s Surface Mount The SHTC3-TR-2.5KS is a digital humidity and temperature sensor from Sensirion, designed for high accuracy, low power consumption, and compact integration. It utilizes a fully calibrated capacitive humidity sensor and bandgap temperature sensor, providing precise environmental measurements via an I²C interface. The device is optimized for battery-powered and space-constrained applications, featuring ultra-low power consumption and sleep modes, making it ideal for IoT, wearable, and mobile devices. Key Features Relative humidity and temperature sensing in a single package Fully calibrated and linearized digital output I²C interface (up to 1 MHz fast mode) Ultra-low power consumption with sleep mode High accuracy and fast response time Small DFN package for compact designs Factory calibrated, no external calibration required Mechanical Characteristics Package Type: DFN (Dual Flat No-Lead) Package Size: ~2.0 mm × 2.0 mm × 0.75 mm Mounting Type: Surface mount (SMT) Terminals: Bottom pads Electrical Characteristics Supply Voltage (VDD): 1.62 V to 3.6 V Average Supply Current: Measurement: ~170 µA Sleep Mode: ~0.3 µA Interface: I²C (address selectable) Output: Digital (temperature and relative humidity) Sensing Performance Humidity Range: 0 to 100 %RH Humidity Accuracy: ±2 %RH (typical) Temperature Range: -40°C to +125°C Temperature Accuracy: ±0.2°C (typical) Response Time (τ63%): ~8 seconds (humidity) Functional Features Low-power measurement modes (normal and low power) Sleep mode for minimal energy consumption CRC checksum for data integrity Clock stretching support (optional) Environmental Specifications Operating Temperature Range: -40°C to +125°C Storage Temperature Range: -40°C to +125°C Packaging Information Packaging Type: Tape & Reel (TR) Reel Quantity: 2,500 units (2.5KS) Lead-Free / RoHS compliant Typical Applications Wearable devices Smartphones and mobile electronics IoT sensors and nodes Smart home devices (thermostats, air quality monitors) HVAC systems Environmental monitoring #CommonPartsLibrary #Sensor #Transducer #Humidity #Moisture-Sensor

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz Antenna Not Included, U.FL Surface Mount #WiFi #Bluetooth #ARM #ESP32 #S3 #IoT

LoRaWAN Transceiver Module 868MHz, 915MHz Antenna Not Included Surface Mount #SeeedStudio #LoRaWAN #stm32 #arm #iot

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz Antenna Not Included, U.FL Surface Mount The ESP32-S3-WROOM-1U-N16R8 is a high-performance embedded module designed for IoT and edge computing applications, featuring integrated wireless connectivity and enhanced processing capabilities. Processor: Dual-core Xtensa LX7, up to 240 MHz Wireless Connectivity: Wi-Fi 2.4 GHz (802.11 b/g/n) Bluetooth LE 5.0 Memory Configuration (N16R8): 16 MB Flash memory 8 MB PSRAM Antenna Type: U.FL connector for external antenna (“1U” variant) Indicates support for an external antenna via U.FL connector Allows improved RF performance and flexible antenna placement #commonpartslibrary #rf #wireless #transceiver #module

Arduino Nano RP2040 Connect allows you to build your next smart project. Ever wanted an automated house? Or a smart garden? Well, now it’s easy with the Arduino IoT Cloud compatible boards.

USB Controller USB 2.0 I2C Interface 24-QFN (4x4) The STUSB4500QTR is a standalone USB Type-C Power Delivery (PD) controller from STMicroelectronics designed for power sink applications (devices that receive power, like chargers, IoT devices, or battery-powered systems). It enables automatic negotiation of USB Power Delivery contracts (up to 100 W: 20 V / 5 A) without requiring an external microcontroller, thanks to its built-in auto-run algorithm. Power profiles (PDOs) can be pre-configured and stored in internal non-volatile memory, simplifying system design and reducing component count. The device is optimized for modern USB-C designs, offering robust protection, high-voltage tolerance, and support for operation even from a dead battery state. Key Features Power Delivery & Control Standalone USB Type-C™ and USB PD sink controller Supports up to 100 W (20 V, 5 A) power negotiation Auto-run mode (no MCU required) for PD negotiation Up to 3 configurable sink PDO profiles stored in NVM Power Management Dead battery mode support (can start with no battery power) Dual power supply inputs: V_SYS: 3.0 V – 5.5 V V_DD: 4.1 V – 22 V Integrated VBUS monitoring and control Integrated Functions Built-in VBUS switch gate drivers (PMOS) Internal/external VBUS discharge paths I²C interface for configuration and monitoring Protection & Reliability Short-to-VBUS protection on CC pins (up to 22 V) High-voltage tolerance: Up to 28 V on VBUS pins ESD protection: 3 kV HBM / 1.5 kV CDM Physical & Environmental Package: QFN-24 (4×4 mm) Operating temperature: –40°C to +105°C Industrial-grade reliability Compliance & Compatibility Certified for: USB Type-C Rev 1.2 USB PD Rev 2.0 Interoperable with USB PD 3.0 #commonpartslibrary #integratedcircuit #usbcontroller

USB-C (USB TYPE-C) USB 2.0 Receptacle Connector 24 (16+8 Dummy) Position Surface Mount, Right Angle; Through Hole, USB Type-C receptacle 16 pin power only The UJ20-C-H-G-SMT-2-P16-TR is a USB Type-C receptacle connector designed for USB 2.0 applications. It features a right-angle, surface-mount (SMT) configuration with additional through-hole retention tabs for improved mechanical strength on the PCB. This connector supports reversible USB-C plug insertion, making it suitable for modern embedded systems, consumer electronics, and charging/data interfaces. It is optimized for compact designs while maintaining reliable electrical and mechanical performance. Key Features Electrical Characteristics USB Standard: USB 2.0 (up to 480 Mbps data rate) Rated Current: up to 5 A (VBUS) Rated Voltage: 48 VDC max Mechanical / Physical Connector Type: USB Type-C receptacle Mounting: Surface Mount (SMT) + through-hole stakes Orientation: Right-angle (horizontal) Number of Contacts: 24 positions (16 active + 8 dummy) Contact Plating: Gold (≈3 µin) for durability Mating Cycles: ~10,000 insertions Materials & Build Shielding: Fully shielded (metal shell, SUS304) Insulator Material: UL94 V-0 rated (flame-retardant) Operating Temperature: -25°C to +85°C Packaging: Tape & Reel (TR) for automated assembly Series: UJ20 (Same Sky / former CUI Devices) Typical Applications Embedded systems (e.g., MCU/SoC boards) Power + data interface for IoT devices Consumer electronics (chargers, hubs, accessories) Development boards and custom PCB designs Quick Insight (Design Tip) Even though it’s a USB-C connector, this specific part is USB 2.0 only—so: No SuperSpeed (TX/RX) lines Only VBUS, GND, CC1/CC2, D+ / D- are typically used #CommonPartsLibrary #Connector #USB

2-Layer Pump Controller PCB with MOSFET Driver, Integrated Buck Converter, and ESP32-C3 Footprint (Reference Only; No Connectors)