ESP32-C3-WROOM-02-H4

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 802.11 b/g/n-compliant
• Center frequency range of operating channel: 2412 ~ 2484 MHz
• Supports 20 MHz and 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 x 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, 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

• GPIO, SPI, UART, I2C, I2S, remote control peripheral, LED PWM controller, general DMA controller, TWAI® controller (compatible with ISO 11898-1), USB Serial/JTAG controller, temperature sensor, SAR ADC, timers and watchdogs

Integrated Components on Module

• 40 MHz crystal oscillator
• 4 MB SPI flash

Antenna Options

• On-board PCB antenna

Operating Conditions

• Operating voltage/Power supply: 3.0 ~ 3.6 V
• Operating ambient temperature: –40 ~ 105 °C