ESP32 Projects

The ESP32-C3FH4 is a highly integrated wireless microcontroller designed for Internet of Things, smart devices, industrial automation, consumer electronics, and embedded connectivity applications. It combines a low-power RISC-V processor with integrated Wi-Fi and Bluetooth Low Energy connectivity, providing a cost-effective and secure platform for wireless communication and edge computing. The device incorporates embedded flash memory, advanced security features, low-power operating modes, and a rich set of peripheral interfaces, making it suitable for battery-powered and always-connected systems. Its compact design and comprehensive software ecosystem enable rapid development of connected products while maintaining high reliability and energy efficiency. The ESP32-C3FH4 is widely used in smart sensors, home automation devices, wearable electronics, industrial monitoring systems, wireless control modules, and cloud-connected embedded products. Features Integrated RISC-V microcontroller core Built-in Wi-Fi connectivity Integrated Bluetooth Low Energy support Embedded flash memory Low-power operation for battery-powered applications Hardware cryptographic acceleration Secure boot capability Flash encryption support Multiple GPIO interfaces Integrated UART, SPI, I²C, I²S, PWM, and ADC peripherals Real-time processing capability Wireless networking and cloud connectivity support OTA firmware update support Compact surface-mount package Industrial-grade reliability Electrical Characteristics Wireless microcontroller architecture Integrated RF subsystem Low-power operating modes High-performance embedded processing Secure communication support Multi-protocol wireless connectivity Flexible peripheral expansion capability Optimized power consumption for IoT devices Applications Internet of Things devices Smart home automation Wireless sensor networks Industrial monitoring systems Asset tracking devices Wearable electronics Smart appliances Remote control systems Data acquisition platforms Edge computing applications Connected consumer products Embedded wireless gateways Package Information Surface-mount package Compact footprint for embedded applications Suitable for automated assembly processes Optimized thermal and electrical performance PCB-friendly package design #commonpartslibrary #integratedcircuit #microcontroller #wirelessconnectivity #wifi #bluetoothlowenergy #iot #embeddedsystems #espressif #smartdevices #industrialautomation #edgecomputing #wirelessmodule #internetofthings #electronicsdesign #riscv #embeddedelectronics #lowpowerdesign

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

The ESP32-WROOM-32E (16MB) is a highly integrated Wi-Fi + Bluetooth + Bluetooth Low Energy (BLE) module developed by Espressif. It is based on the ESP32-D0WD-V3 chip and features a dual-core processor, rich peripherals, and large flash memory—making it ideal for IoT, embedded systems, and wireless applications. This module is part of the upgraded WROOM-32E series, offering improved RF performance, better stability, and enhanced reliability compared to earlier versions like the 32D. Key Features (16MB Variant) Processor & Memory Dual-core Xtensa® 32-bit LX6 CPU, up to 240 MHz 520 KB SRAM + 448 KB ROM 16 MB SPI Flash (large storage for firmware/data) Optional variants with PSRAM for memory-intensive tasks Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth v4.2 (BR/EDR + BLE) Integrated PCB antenna (no external antenna needed) Peripherals & Interfaces Up to 26–38 GPIOs (depending on usage) Supports: UART, SPI, I2C, I2S PWM (LED & motor control) ADC, DAC Capacitive touch sensors SD/SDIO/MMC, CAN (TWAI) Electrical & Physical Operating voltage: 3.0V – 3.6V Operating temperature: –40°C to +85°C (industrial range) Compact size: 18 × 25.5 × 3.1 mm Typical Applications Smart home devices (lighting, appliances) IoT sensors and gateways Industrial automation systems Wearables and smart gadgets Audio/voice processing (thanks to dual-core + large flash) #module #ESP32 #16MB

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

2.4GHz -98dBm SMD,19.2x18mm RF Transceiver Modules and Modems RoHS The ESP32-WROOM-32UE-N16 is a 2.4 GHz wireless MCU module built around the ESP32 SoC. It combines a dual-core processor, integrated Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 (Classic + BLE), along with rich peripherals. The “UE” variant specifically uses a U.FL / IPEX connector for an external antenna, making it ideal for applications that require better RF performance or flexible antenna placement (e.g., enclosed products or long-range communication). The “N16” indicates 16 MB external flash memory, suitable for large firmware, OTA updates, and data-heavy applications. Processing Dual-core Xtensa LX6 32-bit CPU Clock speed up to 240 MHz Memory 16 MB Flash (N16 variant) ~520 KB SRAM + 448 KB ROM Connectivity Wi-Fi: 802.11 b/g/n (up to 150 Mbps) Bluetooth: v4.2 (BR/EDR + BLE) Frequency: 2.4 GHz band Antenna External antenna via U.FL connector Better range and flexibility vs PCB antenna Interfaces / Peripherals GPIO (≈26 usable pins) UART, SPI, I2C, I2S, SDIO ADC, DAC PWM (LED & motor control) Capacitive touch sensing Security Hardware encryption: AES, SHA, RSA Secure boot & flash encryption support Power Operating voltage: 3.0V – 3.6V (typ. 3.3V) Multiple low-power modes for battery applications Environmental Operating temperature: -40°C to +85°C Physical Surface-mount module (~38 pins / 52 pads depending on reference) Compact and RF-shielded design Typical Applications Smart home devices (IoT) Industrial automation Wireless sensors and data loggers Wearables and consumer electronics Remote monitoring systems #Module #ESP32

WiFi 802.11a/b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz PCB Trace The ESP32-S3-WROOM-1-N8R2 is a compact, low-power Wi-Fi and Bluetooth® Low Energy (BLE) module developed by Espressif Systems. It is based on the ESP32-S3 system-on-chip (SoC), which integrates a dual-core Xtensa® LX7 processor optimized for high performance and edge AI processing. This module includes 8 MB of external SPI flash memory and 2 MB of PSRAM, enabling efficient handling of memory-intensive applications such as graphical interfaces, buffering, and embedded machine learning workloads. Designed for flexibility and scalability, the module integrates RF components, power management, and a wide range of peripherals into a surface-mount package suitable for IoT, industrial, and consumer electronics applications. Key Features Dual-core Xtensa® LX7 processor operating up to 240 MHz Integrated 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth 5 Low Energy support Embedded 8 MB SPI flash memory Integrated 2 MB PSRAM AI acceleration through vector instruction support USB OTG (full-speed) capability Multiple low-power operating modes Built-in hardware security features Extensive peripheral interface support Functional Overview The module consists of several integrated subsystems, including a dual-core processing unit, memory subsystem (flash and PSRAM), RF subsystem for wireless communication, peripheral interface controllers, power management circuitry, and a hardware-based security engine. Electrical Characteristics Operating voltage range: 3.0 V to 3.6 V (typical 3.3 V) Operating temperature range: -40°C to +85°C RF operating frequency: 2.4 GHz Current consumption varies depending on operating mode, ranging from microamp levels in deep sleep to hundreds of milliamps during active transmission Processor and Memory The module features a dual-core Xtensa® LX7 CPU capable of running at frequencies up to 240 MHz. It includes approximately 512 KB of internal SRAM, supplemented by 8 MB of external flash memory and 2 MB of PSRAM for extended data storage and processing. Wireless Connectivity The ESP32-S3-WROOM-1-N8R2 supports Wi-Fi communication compliant with 802.11 b/g/n standards in the 2.4 GHz band. It also supports Bluetooth 5 Low Energy for short-range wireless communication. The module includes an integrated PCB antenna and supports RF output power up to approximately +20 dBm. Peripheral Interfaces The module provides a wide range of interfaces, including general-purpose input/output (GPIO) pins, SPI, I2C, UART, and I2S for audio applications. It also supports PWM for LED control, a 12-bit analog-to-digital converter (ADC), and USB OTG functionality. Pin functions are multiplexed to maximize flexibility. Power Management Power efficiency is achieved through multiple operating modes, including active mode, modem sleep, light sleep, and deep sleep. The module includes an RTC subsystem for low-power timekeeping and supports dynamic frequency scaling to optimize performance and energy consumption. Security Features The module incorporates several hardware-based security mechanisms, including secure boot, flash encryption, and digital signature verification. It also includes a hardware random number generator and cryptographic accelerators supporting AES, SHA, RSA, and ECC algorithms. Mechanical Characteristics The module is designed for surface-mount integration and measures approximately 18 mm by 25.5 mm. It includes an onboard PCB antenna and is suitable for compact embedded designs. Pin Configuration Overview GPIO pins are multiplexed to support various peripheral functions such as analog inputs, communication interfaces, and control signals. Dedicated pins are provided for power supply, module enable, and boot configuration. Typical Applications Internet of Things (IoT) devices Smart home systems Industrial automation and monitoring Edge AI and machine learning applications Wearable electronics Audio and multimedia systems USB-enabled embedded devices Compliance The module is designed to meet Wi-Fi and Bluetooth standards and is compliant with RoHS requirements. Certification such as FCC or CE may apply depending on the specific module variant and deployment. Ordering Information The ESP32-S3-WROOM-1-N8R2 variant includes 8 MB of flash memory and 2 MB of PSRAM. #commonpartslibrary #integratedcircuit #transceiver #wireless #rf

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.412GHz ~ 2.484GHz PCB Trace Surface Mount #CommonPartsLibrary #RF #Module #Transceiver #WIFI #Bluetooth #ESP32-C3

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.412GHz ~ 2.484GHz PCB Trace Surface Mount SP32-C3-MINI-1-N4 is a compact Wi-Fi + Bluetooth Low Energy (BLE) module based on Espressif’s ESP32-C3 chip, designed for low-power IoT and embedded applications. The module integrates a RISC-V 32-bit single-core processor with wireless connectivity, making it suitable for cost-sensitive and power-efficient smart devices. Key features Processor: 32-bit RISC-V single-core CPU (up to 160 MHz) Wireless: Wi-Fi 2.4 GHz (802.11 b/g/n) Bluetooth 5 (LE support) Flash: “N4” variant typically includes 4 MB SPI flash Memory: Internal SRAM for lightweight embedded applications Security features: Secure boot Flash encryption Hardware cryptographic acceleration Low power modes: Deep sleep support for battery-powered devices GPIO: Multiple general-purpose I/O pins (shared with peripherals like UART, SPI, I2C, ADC, PWM) Package: Compact “MINI” form factor for space-constrained PCB designs #CommonPartsLibrary #Module #RF