ESP32-C3 Series

32-bit RISC-V single-core processor with a four-stage pipeline that operates at up to 160 MHz
State-of-the-art power and RF performance
400 KB of SRAM and 384 KB of ROM on the chip, and SPI, Dual SPI, Quad SPI, and QPI interfaces that allow connection to flash
Reliable security features ensured by RSA-3072-based secure boot, AES-128-XTS-based flash encryption, the innovative digital signature and the HMAC peripheral, hardware acceleration support for cryptographic algorithms
Rich set of peripheral interfaces and GPIOs, ideal for various scenarios and complex applications