Product Descriptions

ESP8684-WROOM-02C and ESP8684-WROOM-02UC are two generic Wi-Fi and Bluetooth LE modules. The rich set of peripherals and high performance make the modules an ideal choice for smart homes, industrial automation, health care, consumer electronics, etc.

ESP8684-WROOM-02C comes with an on-board PCB antenna. ESP8684-WROOM-02UC comes with a connector for an external antenna. Both ESP8684-WROOM-02C and ESP8684-WROOM-02UC are available in two variants that integrate the ESP8684H2X and ESP8684H4X chip respectively.

Product Features

CPU and On-Chip Memory 

• ESP8684H2X or ESP8684H4X embedded, 32-bit RISC-V single-core processor, up to 120 MHz 

• 576 KB ROM 

• 272 KB SRAM (16 KB for cache) 

• In-Package flash (see details in Table 1 and Table 2) 

• Access to flash accelerated by cache 

• Supports flash In-Circuit Programming (ICP)

Wi-Fi 

• 802.11 b/g/n 

• Center frequency range of operating channel: 2412 ~ 2484 MHz 

• Supports 20 MHz bandwidth in 2.4 GHz band 

• 1T1R mode with data rate up to 72.2 Mbps 

• Wi-Fi Multimedia (WMM) 

• TX/RX A-MPDU, TX/RX A-MSDU 

• Immediate Block ACK 

• Fragmentation and defragmentation 

• Transmit opportunity (TXOP) 

• Automatic Beacon monitoring (hardware TSF) 

• 3 × virtual Wi-Fi interfaces 

• Simultaneous support for Infrastructure BSS in Station mode, SoftAP mode, Station + SoftAP mode, and promiscuous mode

Bluetooth 

• Bluetooth LE: Bluetooth 5.3 certified 

• High power mode (20 dBm) 

• Speed: 125 kbps, 500 kbps, 1 Mbps, 2 Mbps 

• Advertising extensions 

• Multiple advertisement sets 

• Channel selection algorithm #2 

• Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna

Peripherals 

• Up to 14 GPIOs 

– 2 strapping GPIOs 

• GPIO, SPI, UART, I2C, LED PWM controller, general DMA controller, SAR ADC, temperature sensor, general-purpose timers, system timers, and watchdog timers

Integrated Components on Module 

• 26 MHz crystal oscillator

Antenna Options 

• On-board PCB antenna (ESP8684-WROOM-02C) 

• External antenna via a connector (ESP8684-WROOM-02UC)

Product Applications

• Smart Home 

• Industrial Automation 

• Health Care 

• Consumer Electronics 

• Smart Agriculture

• POS Machines 

• Service Robot 

• Generic Low-power IoT Sensor Hubs 

• Generic Low-power IoT Data Loggers

Product Show

Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

We also provide ：