4 Pin crystal, GND on pins 2 and 4

12MHz 20pF ±10ppm -40℃~+85℃ SMD3225-4P Crystals ROHS #crystal #oscillator #components #parts

12 MHz Crystal Oscillator Circuit Module #Module This module is designed to generate a highly stable and precise 12 MHz clock signal using a crystal oscillator. It incorporates a carefully selected load capacitor network and proper grounding techniques to ensure minimal frequency drift and robust performance across digital applications. This circuit is optimized for use in timing-critical systems where consistent frequency output is essential. #CrystalOscillator #CircuitModule #ClockSignal #EmbeddedSystems #DigitalCircuits #PCBDesign

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz PCB Trace Surface Mount The ESP32-S3-WROOM-1-N16R8 is a high-performance Wi-Fi + Bluetooth Low Energy (BLE) module developed by Espressif Systems. It is built around the ESP32-S3 SoC, featuring a dual-core Xtensa LX7 32-bit processor running up to 240 MHz. This module integrates 16 MB Flash memory and 8 MB PSRAM, making it suitable for memory-intensive applications such as AI, image processing, and advanced IoT systems. It also includes an onboard PCB trace antenna, RF circuitry, crystal oscillator, and power management components—allowing designers to quickly integrate wireless connectivity into compact embedded designs. Key Features Processing & Memory Dual-core Xtensa LX7 CPU, up to 240 MHz 384 KB ROM, 512 KB SRAM + 16 KB RTC SRAM 16 MB Flash (Quad SPI) 8 MB PSRAM (Octal/Quad SPI) Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth 5 (LE) + Mesh support Integrated PCB antenna Peripherals & Interfaces Up to 36 GPIOs Interfaces: UART, SPI, I2C, I2S, PWM, ADC, USB OTG Built-in USB Serial/JTAG support Supports touch sensors, timers, watchdogs, CAN (TWAI) Electrical Characteristics Supply voltage: 3.0 V – 3.6 V TX power: up to ~20.5 dBm RX sensitivity: ~-103.5 dBm Operating temp: −40 °C to +65 °C (typical) Advanced Capabilities Optimized for AI acceleration (vector instructions) Suitable for voice recognition, image processing, and edge AI Low-power modes for battery-operated devices| Typical Applications IoT devices and sensor hubs Smart home & home automation AIoT (voice/image recognition) Industrial automation & monitoring Wearables and health devices USB-connected embedded systems #Module #RF-Transceiver #ESP32-S3

ESP32-S3-MINI-1-N8 is a compact, low-power Wi-Fi and Bluetooth module from Espressif Systems based on the ESP32-S3 SoC. It integrates a dual-core Xtensa LX7 processor, 8 MB flash memory, crystal oscillator, RF matching circuitry, and a PCB antenna in a small SMD package, making it ideal for IoT devices, smart home products, industrial automation, HMI applications, AIoT edge devices, and USB-connected embedded systems. Key Features Dual-core 32-bit Xtensa LX7 CPU Up to 240 MHz operating frequency Includes single-precision floating-point unit (FPU) for enhanced processing performance. Integrated Memory 8 MB Quad SPI Flash (N8 variant) 512 KB SRAM 384 KB ROM 16 KB RTC SRAM. Wireless Connectivity 2.4 GHz Wi-Fi 4 (802.11 b/g/n) Data rates up to 150 Mbps Bluetooth 5 LE with Bluetooth Mesh support Simultaneous Wi-Fi and Bluetooth operation through an integrated coexistence mechanism. Rich Peripheral Set Up to 39 GPIOs USB 2.0 OTG USB Serial/JTAG SPI, I²C, I²S, UART PWM, MCPWM SDIO Host ADC Touch sensing Temperature sensor TWAI® (CAN 2.0 compatible) Timers and watchdogs. Integrated Components On-board 40 MHz crystal oscillator PCB antenna RF matching network Compact certified module design. Operating Conditions Supply voltage: 3.0 V to 3.6 V Operating temperature: −40°C to +85°C. Compliance RoHS and REACH compliant RF-certified module for simplified product development. #RF_transceiver #Module #Esp32

802.15.4, Bluetooth, WiFi Bluetooth v5.0, Zigbee Transceiver Module 2.4GHz PCB Trace Surface Mount The ESP32-C6-WROOM-1-N8 integrates a 32-bit RISC-V single-core processor running up to 160 MHz, along with 8 MB of embedded SPI flash memory. It supports multiple wireless communication protocols, including: Wi-Fi 6 (802.11ax) in the 2.4 GHz band for improved efficiency and lower latency Bluetooth Low Energy (BLE 5) for short-range communication IEEE 802.15.4 for protocols such as Thread and Zigbee The module features a built-in PCB antenna, RF circuitry, crystal oscillator, and passive components, making it a complete solution that simplifies hardware design. It provides a wide range of GPIO pins and peripheral interfaces such as UART, SPI, I2C, PWM, ADC, and more, enabling flexible integration with sensors and external devices. Designed for low power consumption, it includes multiple power-saving modes, making it suitable for battery-powered applications. Typical Applications Smart home and IoT devices Wireless sensors and control systems Industrial automation Smart lighting and energy management Matter-compatible devices (via Thread support)

40 MHz ±10ppm Crystal 8pF 50 Ohms 4-SMD, No Lead #commonpartslibrary #crystal #oscillator

8 MHz ±50ppm Crystal 8pF 500 Ohms 2-SMD, No Lead #commonpartslibrary #crystal #oscillator #NX3225GD

25 MHz ±30ppm Crystal 18pF 30 Ohms 2-SMD, No Lead #commonpartslibrary #crystal #oscillator #resonator