Product description: ESP32-C3-Zero - WiFi / Bluetooth development board - with connectors - ESP32-C3FN4 - Waveshare 25532
The ESP32-C3-Zero is a mini development board based on the ESP32-C3FN4 chip. It features a single-core 32-bit RISC-V processor that can operate at a main frequency of up to 160 MHz. Support for WiFi and Bluetooth enables easy development of wireless applications. The board offers 400 KB of SRAM, 384 KB of ROM, and 4 MB of Flash memory . It is equipped with a 2.4G ceramic antenna, a CAT6219-330TD-GT3 LDO voltage regulator, TX and RX LEDs , as well as reset and firmware download buttons. It has a USB Type-C port and 15 configurable GPIO pins. The ESP32-C3-Zero is a soldered-in version , while a pinless ESP32-C3-Zero is also available. The board supports C/C++ and MicroPython programming languages, making it compatible with environments such as Arduino IDE and ESP-IDF , Offering a comprehensive set of development tools and tutorials to help you get started, it's the ideal tool for designers and engineers developing IoT applications and other wireless communications projects.
Main features of the development board
- ESP32-C3FN4 equipped with a 32-bit single-core RISC-V processor, offering a frequency of 160 MHz.
- Supports 2.4 GHz WiFi and Bluetooth 5, enabling wireless communication.
- It offers 400 KB SRAM, 384 KB ROM and 4 MB Flash memory.
- Flexible clock options, independent module power settings, and other control features ensure low power consumption in a variety of scenarios.
- It connects via USB-C and has a 15-pin GPIO connector that is configurable.
- Support multiple communication interfaces, including 3 x SPI, 1 x I2C, 2 x UART, 1 x I2S, 2 x ADC, etc.
Applications of the ESP32-C3-Zero board
- Creating IoT applications thanks to WiFi and Bluetooth support.
- Projects related to wireless communication, such as remote device control, data transmission and monitoring.
- Prototyping and development of SMD applications thanks to the possibility of direct soldering on carrier boards.
- Create projects using the C/C++ or MicroPython programming languages, supported by extensive development resources and tutorials.
For more detailed information about the product, please refer to the user guide on the manufacturer's website.
ESP32-C3FN4 microcontroller
The device's central element is the embedded ESP32-C3FN4 microcontroller , which features a single-core 32-bit RISC-V processor capable of operating at up to 160 MHz . This microcontroller provides sufficient processing power to process data, manage wireless communications, and perform complex tasks. Its low power consumption makes it ideal for applications where mobility and energy savings are essential.
Wide programming possibilities
The development board offers extensive programming capabilities and is compatible with various development environments , providing flexibility in software development. Programming is supported using popular environments such as the Arduino IDE, ESP-IDF, MicroPython, and CircuitPython .
Component layout on the board
- USB-C port
- BOOT button
- RESET button
- WS2812 RGB diode
- CAT6219-330TD-GT3 Linear Voltage Regulator
- ESP32-C3FN4 single-core processor
- 2.4G ceramic antenna
ESP32-C3-Zero board specifications
- Producer: Waveshare
- Model: ESP32-C3-Zero
- Microcontroller: ESP32-C3FN4
- Processor: Single-core RISC-V 32-bit, 160 MHz
- Wireless connectivity: WiFi 2.4 GHz, Bluetooth 5 (LE)
- Memory: 400 KB SRAM, 384 KB ROM, 4 MB Flash
- Communication interfaces: 3 × SPI, 1 × I2C, 2 × UART, 1 × I2S, 2 × ADC
- GPIO: 15 pins
- USB port: USB-C
- Built-in antenna: yes, ceramic antenna
- Programming: CircuitPython, MicroPython, Arduino IDE and ESP-IDF
- Board with factory-soldered connector
- Dimensions: 23.5 x 18 mm




