ESP32-C3 Super mini 32-bit Single-core processor, up to 160 MHz

Features : CPU and On-Chip Memory • ESP32-C3FH4 or ESP32-C3FN4 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 • 4 MB flash in chip package Peripherals : • GPIO, 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 Wi-Fi : • IEEE 802.11 b/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 the chip 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