Waveshare ESP32-C3 Mini Development Board, Based on ESP32-C3FH4 Single-core Processor, 160MHz Running Frequency, 2.4GHz Wi-Fi & Bluetooth 5

The Waveshare ESP32-C3 Mini Development Board is a compact and powerful IoT development platform built around the ESP32-C3FH4 single-core RISC-V processor. Running at up to 160MHz, it offers reliable 2.4GHz Wi-Fi and Bluetooth 5 (LE) connectivity for wireless applications. The board features 4MB onboard Flash, 400KB SRAM, 384KB ROM, and a USB serial interface for convenient programming and debugging. Designed with a castellated module and ceramic antenna, it is ideal for both prototyping and direct SMD integration into custom PCBs. With 15 multifunction GPIO pins and support for interfaces including SPI, I2C, UART, I2S, and ADC, this development board is suitable for smart home devices, wireless sensors, embedded control systems, and IoT product development. Features: Based on ESP32-C3FH4 single-core RISC-V processor with up to 160MHz clock speed Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 Low Energy 4MB onboard Flash, 400KB SRAM, and 384KB ROM Castellated module design for easy SMD integration Onboard ceramic antenna for stable wireless communication USB serial interface with 15 multifunction GPIO pins for flexible development Useful Link : https://www.waveshare.com/wiki/ESP32-C3-Zero Specifications: Product Type : ESP32-C3 Mini Development Board Model : ESP32-C3-Zero Main Chip : ESP32-C3FH4 Processor Architecture : 32-bit RISC-V Single-Core Processor CPU Frequency : Up to 160MHz Wireless Connectivity : 2.4GHz Wi-Fi (802.11 b/g/n) & Bluetooth 5 LE Flash Memory : 4MB Onboard Flash SRAM : 400KB ROM : 384KB GPIO Pins : 15 Multifunction GPIO Pins SPI Interface : 3 × SPI I2C Interface : 1 × I2C UART Interface : 2 × UART I2S Interface : 1 × I2S ADC : 2 × ADC USB Interface : USB Serial Port Antenna Type : Onboard Ceramic Antenna Module Type : Castellated Module Mounting Type : Development Board / SMD Compatible Operating Frequency : 2.4GHz Diamensions: 23.50 x 18mm Weight : 2g Package Includes: 1 x Waveshare ESP32-C3 Mini Development Board, Based on ESP32-C3FH4 Single-core Processor, 160MHz Running Frequency, 2.4GHz Wi-Fi & Bluetooth 5

Specifications

Wireless	2.4GHz Wi-Fi & Bluetooth 5 (LE)
Onboard Memory	4MB Flash
SRAM	400KB
ROM	384KB
Interfaces	3× SPI, 1× I2C, 2× UART, 1× I2S, 2× ADC
Shipping Weight	0.05 kg
Shipping Dimensions	5 × 5 × 2 cm