Product Descriptions

ESP32-C3-WROOM-02 and ESP32-C3-WROOM-02U are two general-purpose Wi-Fi and Bluetooth LE modules. The rich set of peripherals and high performance make the two modules an ideal choice for smart homes, industrial automation, health care, consumer electronics, etc. 

ESP32-C3-WROOM-02 and ESP32-C3-WROOM-02U both feature an external SPI flash. ESP32-C3-WROOM-02 comes with a on-board PCB antenna. ESP32-C3-WROOM-02U comes with a connector for an external antenna.

Product Features

CPU and on-chip memory

• ESP32-C3 embedded, 32-bit RISC-V single-core processor, up to 160 MHz 

• 384 KB ROM 

• 400 KB SRAM (16 KB for cache) 

• 8 KB SRAM in RTC

Wi-Fi

• IEEE 802.11b/g/n-compliant 

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

• Supports 20 MHz, 40 MHz bandwidth in 2.4 GHz band 

• 1T1R mode with data rate up to 150 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) 

• 4 × virtual Wi-Fi interfaces 

• Simultaneous support for Infrastructure BSS in Station mode, SoftAP mode, Station + SoftAP mode, and promiscuous mode Note that when ESP32-C3 series scans in Station mode, the SoftAP channel will change along with the Station channel 

• 802.11mc FTM

Bluetooth® 

• Bluetooth LE: Bluetooth 5, Bluetooth mesh 

• 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 15 GPIOs 

– 3 strapping GPIOs 

• SPI, UART, I2C, I2S, remote control peripheral, LED PWM controller, general DMA controller, TWAI® controller (compatible with ISO 11898-1, i.e. CAN Specification 2.0), USB Serial/JTAG controller, temperature sensor, SAR ADC, general-purpose timers, watchdog timers

Integrated Components on Module 

• 40 MHz crystal oscillator 

• SPI flash

Product Applications

• Smart Home 

• Industrial Automation 

• Health Care 

• Consumer Electronics 

• Smart Agriculture

• POS Machines 

• Service Robot 

• Audio Devices 

• 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

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