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

JST PH Connector Header Through Hole 2-pin 0.079" (2.00mm) battery connector JST PH 2 pin The B2B-PH-K-S is a 2-position vertical header connector with a 2.0 mm pitch, designed for mating with JST PH series crimp housings (e.g., PHR-2). It is commonly used in consumer electronics, battery connections, and small embedded systems due to its compact size and secure locking mechanism. Key Features Series: JST PH Series Number of Pins: 2 Pitch: 2.0 mm Mounting Type: Through-hole (vertical) Contact Type: Male pin header Mating Type: Friction lock (secure connection) Current Rating: ~2 A (typical, depends on wire and conditions) Voltage Rating: ~100 V Contact Material: Copper alloy (tin-plated) Housing Material: UL94V-0 rated plastic (flame-retardant) Operating Temperature: Typically -25°C to +85°C Typical Applications Battery connectors (Li-ion/LiPo packs) Power supply connections in small devices Embedded systems (e.g., Arduino, sensors) Consumer electronics (fans, LEDs, small appliances) #CommonPartsLibrary #Connector #Header #JST-PH

Small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x) #Module #ArduinoNano

STM32F767, mbed-Enabled Development Nucleo-144 STM32F7 ARM® Cortex®-M7 MCU 32-Bit Embedded Evaluation Board #nucleo #stm32 #m7 #stm32f7 #arduino

M2302 DHT22 Temperature and Humidity Sensor for Arduino and Raspberry Pi #commonpartslibrary #dht22 #am2302

- 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

NRF24L01+ 2.4GHz Wireless RF Transceiver Module #commonpartslibrary #RF #wireless #arduino

TFT Display 1.28 Inch TFT LCD Display Module Round RGB 240*240 GC9A01 Driver 4 Wire SPI Interface 240x240 PCB For Arduino #TFT #Arduino #GC9A01

This module involves the design of a keypad lock system. It utilizes an ATMEGA328P microcontroller, buzzers, LEDs for indicator functions and a 4x3 matrix keypad. An in-circuit serial programming (ISP) header is also present for programming the microcontroller. #template #lock #keypad #reusable #module #simple-embedded #microchip #arduino #atmega328 #TPS613222A #ISP #buzzer #sublayout