ESP32-C3-WROOM-02 is a general-purpose Wi-Fi and Bluetooth LE module. This module features a rich set of peripherals and high performance, which makes it an ideal choice for smart home, industrial automation, health care, consumer electronics, etc. The module comes in two versions: • 85 °C version • 105 °C version The two versions both come with an on-board PCB antenna and a 4 MB external SPI flash. The information in this datasheet is applicable to both versions.
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ESP32-C3 integrates a rich set of peripherals, ranging from UART, I2C, I2S, remote control peripheral, LED PWM controller, general DMA controller, TWAI ® controller, temperature sensor, ADC, and up to 22 GPIOs. It also includes SPI, Dual SPI and Quad SPI interfaces.
- ESP32-C3 embedded, 32-bit RISC-V single-core processor, up to 160 MHz
- 384 KB ROM • 400 KB SRAM • 8 KB SRAM in RTC
- IEEE 802.11 b/g/n-compliant
- 1T1R mode with data rate up to 150 Mbps
- A-MPDU and A-MSDU aggregation
- 0.4 µs guard interval
- Operating frequency: 2412 ~ 2484 MHz
- Bluetooth LE: Bluetooth 5, Bluetooth mesh
- Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
- Advertising extensions
- Multiple advertisement sets
- Channel selection algorithm #2
- Interfaces: GPIO, SPI, UART, I2C, I2S, remote control peripheral, LED PWM controller, USB 1.1, general DMA controller, TWAI controller (compatible with ISO 11898-1), temperature sensor
- 40 MHz crystal oscillator • 4 MB SPI flash • Operating voltage/Power supply: 3.0~ 3.6 V
- 85 °C version module: –40~ 85 °C
- 105 °C version module: –40~ 105 °C