Fangrui Product Details Esp32c3supermini Is An Iot Mini Development Board Based On The Espressifesp32-c3 Wifi/bluetooth Dual-mode Chip. Esp32-c3 Is A 32-bit Risc-vcpu, Including Fpu (floating Point Unit), Which Can Perform 32-bit Single-precision Operations: It Has Powerful Computing Capabilities. It Has Excellent Rf Performance Supporting Ieee 802.11 B/g Wifi And Bluetooth 5 (le) Protocols. The Board Comes With An External Antenna To Enhance Signal Strength For Wireless Applications. It Also Features A Small, Sophisticated Form Factor Combined With A Single-sided Mount Design. It Is Equipped With Rich Interfaces, With 11 Digital I/0s That Can Be Used As Pwm Pins And 4 Analog 1/0s That Can Be Used As Adc Pins. It Supports Four Serial Interfaces Including Uart, 12c And Spi. Theres Also A Small Reset Button And A Bootloader Mode Button On The Board. Powerful Cpu: Esp32-c3, 32-bit Risc-v Single-core Processor Running At Up To 160mhz Wifi: 802.11b/g Protocol, 2.4ghhz Bluetooth:bluetooth 5.0 Ultra-low Power Consumption: Deep Sleep