ESP32-WROVER-B Module (WiFi+Bluetooth 4.2, 4MB Flash+8MB PSRAM, PCB antenna)

ESP32‑WROVER‑B WiFi + Bluetooth module integrates dual‑core processing, high‑speed wireless connectivity, and expanded onboard memory into a compact FCC/CE‑certified communication platform. Built around the ESP32 architecture, this wireless IoT module delivers up to 150 Mbps WiFi alongside Bluetooth 4.2 BR/EDR and BLE capabilities. Integrated Flash and PSRAM enable demanding embedded workloads such as audio decoding, edge data processing, and real‑time sensor networks without external memory. Designed for reliable operation in industrial and maker environments, this compact connectivity board simplifies rapid development of connected devices, smart sensors, and advanced embedded applications.

Dual‑Core Processing Architecture for High‑Performance IoT

This ESP32 wireless processing module operates with a dual‑core CPU running between 80 MHz and 240 MHz, enabling simultaneous execution of networking, sensor acquisition, and application logic. Parallel processing allows continuous WiFi data streaming while handling Bluetooth beacon detection or peripheral communication. The high‑performance microcontroller architecture makes this connectivity platform suitable for edge computing tasks, embedded automation systems, and responsive IoT devices where multitasking and stable wireless communication are essential.

Expanded Memory for Complex Embedded Applications

This WiFi and BLE communication module integrates 4 MB SPI Flash and onboard PSRAM to support memory‑intensive workloads. The additional memory capacity enables applications such as MP3 audio decoding, buffered data logging, image buffering, and large network stacks. Such memory expansion allows this embedded networking board to run advanced firmware frameworks and handle demanding IoT scenarios without relying on external storage components.

Ultra‑Low Power Operation for Long‑Term Deployment

This low‑power IoT controller module supports deep sleep current as low as 5 µA, enabling energy‑efficient operation in battery‑powered environments. The optimized power management system allows extended deployment in remote monitoring nodes, wearable electronics, and wireless environmental sensors. Compared with earlier WiFi microcontroller solutions, the energy‑efficient architecture significantly prolongs operational lifetime while maintaining reliable wireless connectivity.

Integrated RF Design with Certified Wireless Performance

This compact IoT communication board features a pre‑certified PCB antenna and up to 20 dBm transmit power, delivering stable wireless communication without complex RF engineering. Multiple global certifications—including FCC, CE‑RED, and others—accelerate product development and regulatory compliance. Integrated antenna matching and optimized RF layout simplify hardware design for connected devices while ensuring dependable wireless performance in smart home systems, industrial monitoring, and wireless control applications.

Figure: Dimension Diagram

Suitable for IoT gateways, smart sensors, wireless controllers, and connected embedded systems, this ESP32 connectivity module supports rapid prototyping and scalable product development. The compact wireless MCU platform enables engineers, makers, and developers to build connected devices for smart home automation, remote monitoring, industrial telemetry, and STEM Education projects requiring reliable WiFi and Bluetooth communication.