Microcontrollers

The PJ-320A is a panel-mount or PCB-mount DC barrel power jack connector designed for low-voltage DC power input applications in embedded and consumer electronic systems. This connector provides a reliable interface for external DC power adapters and is commonly used in development boards, communication devices, industrial electronics, portable equipment, and power distribution modules. The connector is engineered for stable mechanical retention and consistent electrical contact performance during repeated insertion and removal cycles. Its compact construction and standardized barrel interface support broad compatibility with common DC plug adapters used in low-voltage electronic systems. The PJ-320A is widely implemented in embedded hardware, battery charging systems, portable electronics, instrumentation equipment, and microcontroller-based applications requiring secure external power connectivity. Its durable housing and solderable terminal structure support reliable PCB integration and automated assembly processes. Engineering Specification Device Type DC barrel power jack connector Connector Function External DC power input interface Mounting Style PCB mount or panel mount depending on implementation Connector Configuration Coaxial barrel-style power connector Electrical Characteristics Designed for low-voltage DC power transmission Contact Structure Spring-contact conductive interface for stable plug retention Mechanical Features Durable insertion and extraction cycle performance Housing Material Insulated high-strength connector body Terminal Configuration Solderable PCB terminal interface Reliability Features Stable contact resistance and secure mechanical retention Assembly Compatibility Suitable for automated and manual PCB assembly processes Package Structure Compact embedded connector form factor Applications Embedded systems Portable electronics Power adapter interfaces Microcontroller development boards Battery charging systems Industrial electronics Consumer devices Communication equipment Instrumentation systems Low-voltage DC power distribution Manufacturer Commonly associated with generic DC power connector manufacturers #commonpartslibrary #dcjack #powerconnector #barreljack #embeddedhardware #electronicsdesign #powerelectronics #pcbconnectors #consumerelectronics #surfacemountcomponents #throughholecomponents #powerinput #industrialelectronics #microcontroller #electromechanical

Microcontroller – 32-bit ARM® Cortex®-M0+ microcontroller operating at up to 64 MHz, featuring 32 KB Flash memory, 8 KB SRAM, and 17 programmable I/O pins. Operates from a 2.0 V to 3.6 V supply and integrates a 13-channel 12-bit ADC, internal and external oscillator support, and communication interfaces including I²C, SPI, UART/USART, IrDA, LIN, and SmartCard. Includes DMA, I²S, PWM, power-on reset (POR), and watchdog timer (WDT) peripherals. Housed in a 20-pin TSSOP package. #STMicroelectronics #STM32 #STM32G030F6P6 #Microcontroller #ARMCortexM0Plus #32BitMCU #64MHz #32KBFlash #8KBSRAM #ADC #I2C #SPI #UART #LIN #SmartCard #TSSOP20 #EmbeddedSystems

32-bit ARM® Cortex®-M4F wireless microcontroller with 2.4 GHz multi-protocol radio supporting Bluetooth® 5, Bluetooth mesh, Thread, Zigbee®, IEEE 802.15.4, ANT, and proprietary 2.4 GHz protocols. Features 1 MB Flash, 256 KB RAM, 48 GPIOs, and integrated USB 2.0 (Full-Speed), I²C, I²S, SPI, UART, and QSPI interfaces. Operates from a 1.7 V to 5.5 V supply, provides up to +8 dBm transmit power, −96 dBm receiver sensitivity, supports data rates up to 2 Mbps, and is housed in a 73-pin aQFN (7 × 7 mm) package. #NordicSemiconductor #nRF52840 #NRF52840QIAAR #WirelessMCU #Bluetooth5 #BluetoothMesh #Thread #Zigbee #IEEE802154 #ANT #ARMCortexM4F #2_4GHz #USB #SPI #I2C #UART #QSPI #EmbeddedSystems

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

The ESP32-CAM Ai-Thinker is a compact, low-cost Wi-Fi and Bluetooth-enabled camera development module based on the ESP32-S dual-core microcontroller. It integrates an OV2640 2MP camera sensor, onboard Flash memory, PSRAM, and a MicroSD card slot, making it suitable for IoT vision applications, wireless surveillance, image capture, video streaming, face recognition, and smart home projects. The module combines wireless connectivity and image processing capabilities in a small form factor while maintaining low power consumption. Key Features ESP32-S Dual-Core Processor Tensilica Xtensa LX6 dual-core 32-bit CPU Operating frequency up to 240 MHz Computing performance up to 600 DMIPS Integrated Camera Equipped with OV2640 CMOS image sensor Maximum image resolution: 1600 × 1200 (UXGA, 2MP) Supports JPEG image compression and video streaming Memory 4 MB Flash memory External PSRAM for frame buffering and image processing 520 KB internal SRAM Wireless Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth 4.2 BR/EDR and BLE support Storage Built-in MicroSD/TF card slot Supports local storage of images, videos, and data logs Peripheral Interfaces UART SPI I²C PWM ADC DAC GPIO expansion pins Power Supply Operating voltage: 5 V Low-power operation with deep-sleep capability for battery-powered applications Compact Design Module size approximately 27 mm × 40.5 mm PCB antenna onboard Optional external antenna connection on some variants

Sensor Evaluation Boards RoHS The OV2640 Camera Board integrates the OV2640 2MP CameraChip™ sensor with onboard circuitry to simplify interfacing with microcontrollers. It captures images up to UXGA resolution (1622 × 1200 / 1632 × 1232 depending on configuration) and supports both raw and compressed output formats. The sensor also includes an internal image signal processor (ISP), allowing direct JPEG compression without external processing. This makes it especially suitable for low-cost embedded systems where bandwidth and MCU resources are limited. ⭐ Key Features 📸 Image Performance 2 Megapixel CMOS sensor (OV2640) Max resolution: UXGA (up to ~1600 × 1200 class) Frame rates (typical): UXGA / SXGA: up to ~15–30 fps (depending on mode) SVGA: up to 30 fps CIF: up to 60 fps 🎨 Output Formats Supports multiple image data formats: JPEG (hardware compressed) YUV 422 / 420 RGB565 / RGB555 YCbCr 4:2:2 8-bit raw / compressed output modes ⚡ Electrical Characteristics Supply voltage: 3.3V I/O voltage range: 1.7V – 3.3V Low-power CMOS design optimized for embedded devices

ARM® Cortex®-M7 S32K3 Microcontroller IC 32-Bit 160MHz 4MB (4M x 8) FLASH 172-QFP (16x16) S32K344EHT1VPBST is an automotive-grade 32-bit microcontroller from NXP Semiconductors based on the Arm Cortex-M7 core architecture. The device is designed for high-performance real-time automotive body, chassis, powertrain, and domain control applications requiring functional safety, security, and advanced communication interfaces. It integrates high-speed processing capability, extensive peripheral integration, hardware security acceleration, and deterministic control functions suitable for safety-critical embedded systems. The microcontroller operates with an Arm Cortex-M7 CPU core running at high frequency with floating-point support and DSP extensions for computationally intensive applications. Integrated flash memory and SRAM provide embedded program and data storage optimized for automotive embedded control systems. The device supports hardware-assisted security features including secure boot, cryptographic acceleration, and tamper protection for secure automotive network communication and firmware integrity. The S32K344EHT1VPBST includes multiple communication peripherals supporting CAN FD, FlexCAN, LIN, SPI, UART, I2C, and Ethernet interfaces for distributed automotive networking and gateway applications. Advanced analog integration includes ADC modules, timers, PWM generators, watchdogs, and motor-control-oriented peripherals enabling precision sensing and control functionality. The device supports functional safety development aligned with ISO 26262 requirements and includes error correction, memory protection, fault monitoring, and safety management features. Power management functionality supports low-power operating modes for energy-efficient automotive electronic control units. The microcontroller is housed in a thermally enhanced LQFP package suitable for automotive operating environments with extended temperature capability and AEC-Q100 qualification for automotive reliability standards. #commonpartslibrary #integratedcircuit #microcontroller #arm #m7

LED Driver IC 16 Output Linear PWM Dimming 25mA 5.5V 28-TSSOP PCA9685PW,118 is a 16-channel, 12-bit PWM LED controller with an I²C interface designed for LED dimming, RGB/RGBA lighting, and servo motor control applications. It provides independent PWM control for up to 16 outputs, allowing precise brightness or position control while minimizing MCU GPIO usage. The device supports Fast-mode Plus I²C communication up to 1 MHz and operates from a 2.3 V to 5.5 V supply range. It is commonly used in robotics, LED backlighting, automation systems, and PWM expansion modules for microcontrollers such as Arduino, ESP32, and Raspberry Pi. Key Features 16 independent PWM output channels 12-bit PWM resolution (4096 steps) Programmable PWM frequency from approximately 24 Hz to 1526 Hz I²C Fast-mode Plus compatible interface up to 1 MHz Six hardware address pins allowing up to 62 devices on one I²C bus Programmable open-drain or totem-pole outputs Output capability: 25 mA sink current 10 mA source current Internal 25 MHz oscillator with optional external clock input Individual programmable LED ON/OFF timing for reduced EMI and current surges Supports software reset and group addressing (All Call/Sub Call) 5.5 V tolerant inputs and outputs Operating voltage range: 2.3 V to 5.5 V Package: 28-pin TSSOP (PW suffix) #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LEDdriver

ARM® Cortex®-M4 series Microcontroller IC 32-Bit Single-Core 168MHz 1MB (1M x 8) FLASH 64-LQFP (10x10) Arm® Cortex®-M4 32b MCU+FPU, 210DMIPS, up to 1MB flash/192+4KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces, and camera Includes ST state-of-the-art patented technology • Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait state execution from flash memory, frequency up to 168 MHz, memory protection unit, 210 DMIPS/ 1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions • Memories – Up to 1 Mbyte of flash memory – Up to 192+4 Kbytes of SRAM including 64- Kbyte of CCM (core coupled memory) data RAM – 512 bytes of OTP memory – Flexible static memory controller supporting CompactFlash™, SRAM, PSRAM, NOR and NAND memories • LCD parallel interface, 8080/6800 modes • Clock, reset, and supply management – 1.8 V to 3.6 V application supply and I/Os – POR, PDR, PVD and BOR – 4-to-26 MHz crystal oscillator – Internal 16 MHz factory-trimmed RC (1% accuracy) – 32 kHz oscillator for RTC with calibration – Internal 32 kHz RC with calibration • Low-power operation – Sleep, Stop, and Standby modes –VBAT supply for RTC, 20×32-bit backup registers + optional 4 KB backup SRAM • 3×12-bit, 2.4 MSPS A/D converters: up to 24 channels and 7.2 MSPS in triple interleaved mode • 2×12-bit D/A converters • General-purpose DMA: 16-stream DMA controller with FIFOs and burst support • Up to 17 timers: up to twelve 16-bit and two 32- bit timers up to 168 MHz, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input • Debug mode – Serial wire debug (SWD) & JTAG interfaces – Cortex-M4 Embedded Trace Macrocell™ • Up to 140 I/O ports with interrupt capability – Up to 136 fast I/Os up to 84 MHz – Up to 138 5 V-tolerant I/Os • Up to 15 communication interfaces – Up to 3 × I2C interfaces (SMBus/PMBus) – Up to 4 USARTs/2 UARTs (10.5 Mbit/s, ISO 7816 interface, LIN, IrDA, modem control) – Up to 3 SPIs (42 Mbits/s), 2 with muxed full-duplex I2S to achieve audio class accuracy via internal audio PLL or external clock – 2 × CAN interfaces (2.0B Active) – SDIO interface • Advanced connectivity – USB 2.0 full-speed device/host/OTG controller with on-chip PHY – USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, on-chip full-speed PHY and ULPI – 10/100 Ethernet MAC with dedicated DMA: supports IEEE 1588v2 hardware, MII/RMII #commonpartslibrary #integratedcircuit #microcontroller

USB to Serial Interface, SSOP-28 FTDI USB Serial SSOP*5.3x10.2mm*P0.65mm* The FT232RL is a full-speed USB 2.0 to asynchronous serial data transfer IC. It integrates all the necessary USB protocol handling and UART interface logic, making it very easy to add USB connectivity to embedded devices without requiring complex firmware development. It is commonly used in development boards (like Arduino clones), USB-to-TTL converters, and debugging interfaces. Key Features USB Interface Fully compliant with USB 2.0 Full-Speed (12 Mbps) Integrated USB transceiver (no external components required) Supports USB suspend/resume modes Internal EEPROM for storing USB descriptors (no external EEPROM needed) Serial (UART) Interface Supports standard UART communication (TX, RX) Configurable baud rates from 300 bps up to 3 Mbps Supports hardware flow control (RTS/CTS, DTR/DSR) Bit-bang mode for simple GPIO control Integrated Components Built-in clock generator (no external crystal required) Internal EEPROM for configuration Integrated voltage regulator (3.3V output available for external use) Power Features Operates from 3.3V to 5V Can be powered directly from USB (bus-powered) Low power consumption with sleep mode Driver Support Virtual COM Port (VCP) drivers available for: Windows Linux macOS Also supports direct D2XX driver for advanced applications Package Typically available in SSOP-28 package Common Applications USB-to-serial converters (TTL/RS232) Microcontroller programming and debugging Embedded system communication Industrial and instrumentation interfaces