ESP32-S3 Schematics
The ESP32-S3 is Espressif's dual-core Xtensa LX7 microcontroller with 2.4 GHz Wi-Fi and Bluetooth 5 (LE). It adds vector instructions for AI and signal-processing workloads, native USB OTG, and up to 45 programmable GPIOs, making it a popular choice for camera, display, voice, and other edge AI devices. Common modules and boards include the ESP32-S3-WROOM-1, ESP32-S3-MINI-1, ESP32-S3-DevKitC-1, and the Seeed Studio XIAO ESP32-S3. They are used in smart home controllers, wearables, HMI panels with SPI or RGB displays, and battery-powered IoT sensors. Flux.ai has a large community-driven public library of ESP32-S3 parts, modules, and reference designs, with footprints, symbols, datasheets, and 3D models, so you can drop the ESP32-S3 into a schematic and PCB and start designing right away.
OMGS3-01
OMGS3 ultra-compact ESP32-S3 board/module, based on dual-core Xtensa LX7 32-bit processor up to 240MHz with RISC-V ultra-low-power coprocessor, 2.4GHz Wi-Fi 802.11b/g/n and Bluetooth LE 5.0, 8MB QSPI Flash and 2MB QSPI PSRAM, integrated 3D high-gain antenna, RGB LED, PMIC, MAX17048G+T10 fuel gauge, 700mA 3.3V LDO regulator, LiPo battery charging, native USB and USB Serial/JTAG support, Qwiic/QT connector, 17 GPIOs, ultra-low deep sleep current, compact 25 x 10mm size. Search Keywords: OMGS3, Unexpected Maker OMGS3, ESP32-S3 module, ESP32-S3 board, ultra compact ESP32-S3, ESP32-S3 WiFi Bluetooth board, ESP32-S3 8MB flash 2MB PSRAM, ESP32-S3 LiPo charger, ESP32-S3 fuel gauge, MAX17048 fuel gauge, Qwiic ESP32-S3 board, tiny ESP32-S3 module Hashtags: #OMGS3 #UnexpectedMakerOMGS3 #ESP32S3 #ESP32S3Board #ESP32S3Module #WiFiBluetoothBoard #BLE5 #8MBFlash #2MBPSRAM #LiPoCharger #FuelGauge #MAX17048 #QwiicConnector #TinyESP32S3 #IoTModule
3 Uses0 StarsESP32-S3-MINI-1-N8
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
695 Uses0 StarsCONTROL_RF_PCB
Production-prototype ESP32-S3 control/RF/GNSS/sensor board for an outdoor livestock collar. Includes LoRa 915 MHz, GNSS, I2C/I2S sensors, local actuator drivers, battery-cell solder pads, solar pass-through, soldered flex-tail zones, HV electrode isolation, test points, and a 120 mm x 80 mm 4-layer FR4 target stackup.
0 Uses0 StarsESP32-S3R8
IC RF TxRx + MCU Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 2.412GHz ~ 2.484GHz 56-VFQFN Exposed Pad The ESP32-S3R8 is a high-performance wireless microcontroller system-on-chip manufactured by Espressif Systems. This device integrates dual-core processing, Wi-Fi connectivity, Bluetooth Low Energy communication, embedded memory resources, and advanced peripheral interfaces within a compact package optimized for embedded and IoT applications. The microcontroller is based on the Xtensa LX7 architecture and is designed to support edge computing, wireless communication, human-machine interfaces, audio processing, AI acceleration, and low-power connected systems. The ESP32-S3R8 includes integrated flash and RAM resources, advanced security functions, vector instruction acceleration, and extensive GPIO/peripheral capability for modern embedded development. The device is widely used in IoT devices, industrial automation systems, smart home equipment, wearable electronics, wireless sensor nodes, edge AI applications, USB-enabled embedded systems, and portable consumer electronics. Its integrated wireless functionality and high processing performance reduce external component count while simplifying system-level design for connected embedded platforms. Engineering Specification Device Type Wireless microcontroller system-on-chip Processor Architecture Dual-core Xtensa LX7 microcontroller architecture Wireless Connectivity Integrated Wi-Fi and Bluetooth Low Energy communication Processing Features High-performance embedded processing with vector instruction acceleration Memory Resources Integrated RAM and embedded memory architecture Communication Interfaces SPI I2C UART I2S USB PWM ADC GPIO interfaces Wireless Features Secure wireless networking and low-power communication support USB Capability Integrated USB communication and device functionality AI and DSP Features Vector instruction support for AI and digital signal processing workloads Security Features Hardware encryption and secure boot support Power Characteristics Low-power operating modes for battery-powered systems Package Type QFN surface-mount package Mounting Style Surface mount technology Applications IoT devices Wireless embedded systems Industrial automation Smart home electronics Edge AI applications Wearable devices Consumer electronics USB-enabled systems Sensor networks Embedded communication platforms Manufacturer Espressif Systems #commonpartslibrary #esp32 #esp32s3 #wirelessmcu #microcontroller #iot #embeddedhardware #wifi #bluetoothlowenergy #espressif #surfaceountcomponents #electronicsdesign #edgeai #wirelesscommunication #consumerelectronics
82 Uses0 StarsXIAO Lapel Audio Recorder CNC Prototype
70x50 mm CNC-friendly raw-laminate XIAO ESP32S3 lapel audio recorder prototype with socketed XIAO, dual external INMP441 microphones, LiPo connector, button/status LED, and SD-card recording support. Layout prioritizes hand soldering, replaceable parts, wide traces, and generous isolation clearances over compactness.
0 Uses0 StarsESP32-S3-PICO-1-N8R8
The ESP32-S3-PICO-1-N8R8 is a highly integrated System-in-Package (SiP) module from Espressif based on the ESP32-S3 SoC. It is designed for compact, low-power IoT applications requiring strong wireless performance, rich peripherals, and minimal external components. This variant (N8R8) integrates 8 MB of SPI flash and 8 MB of PSRAM, making it suitable for memory-intensive applications such as AIoT, voice processing, and graphical user interfaces. The module integrates RF circuitry, crystal oscillator, power management, and memory into a single package, significantly reducing PCB size and BOM cost while improving reliability. ⚡ Key Features Processor & Performance Dual-core Xtensa LX7 microprocessor Up to 240 MHz clock speed Hardware acceleration for AI/ML and vector operations Memory 8 MB SPI Flash 8 MB PSRAM Internal SRAM for fast access tasks Wireless Connectivity 2.4 GHz Wi-Fi 802.11 b/g/n Bluetooth 5 (LE) support Integrated RF front-end Peripherals GPIO, SPI, I2C, UART, ADC, PWM USB 1.1 OTG support RMT, I2S, SD/MMC interface Touch sensor support Power & Efficiency Low-power sleep modes for battery-powered devices Integrated power management circuitry (SiP-level integration) Wide operating voltage: 3.0V – 3.6V Integration Advantages Built-in crystal oscillator Integrated RF matching components Reduced external component count (SiP design) Compact footprint for space-constrained designs 📌 Typical Applications Smart home devices IoT sensors and controllers Voice-enabled AI devices Wearables HMI (Human Machine Interface) Industrial monitoring systems
7 Uses0 StarsESP32-S3-WROOM-2-N16R8V
2.4 GHz Wi-Fi (802.11b/g/n) and Bluetooth® 5 module Built around ESP32-S3 series of SoCs, Xtensa® dual-core 32-bit LX7 microprocessor Flash up to 32 MB (Octal), PSRAM up to 16 MB (Octal) 33 GPIOs, rich set of peripherals On-board PCB antenna1.0 Espressif Manufacturer Recommendations 3.25mm ESP32-S3-WROOM-2-N32R8V
7 Uses0 Stars
