Product description: ESP32-C3-Zero - mini WiFi / Bluetooth development board - ESP32-C3FN4 - Waveshare 25452
ESP32-C3-Zero is a mini development board equipped with the ESP32-C3FN4 microcontroller . It is characterized by a single-core processor operating at a frequency of 160 MHz. The device allows users to communicate wirelessly using WiFi and Bluetooth . In terms of memory, the ESP32-C3 Mini offers 400 KB SRAM, 384 KB ROM and 4 MB Flash memory . Additionally, the board is equipped with pin strips, which expands the possibilities of connecting various peripheral devices. The board also includes a CAT6219-330TD-GT3 LDO voltage regulator , TX and RX LEDs , as well as reset and firmware download buttons. Moreover, the product is compatible with popular programming environments such as CircuitPython, MicroPython, Arduino IDE and ESP-IDF , which increases its versatility and facilitates integration with various projects.
ESP32-C3-Zero - Mini WiFi/Bluetooth Development Board - ESP32-C3FN4 - Waveshare 25452. 
The development board enables support for 2.4 GHz WiFi and Bluetooth Low Energy.
Main features of the development board
- Enables wireless connectivity thanks to WiFi and Bluetooth Low Energy support
- This is the version without soldered connectors
- It has an ESP32-C3FN4 microcontroller with a single-core 32-bit RISC-V processor operating at a frequency of up to 160 MHz
- It offers 400 KB SRAM, 384 KB ROM and 4 MB Flash memory
- Ensures low energy consumption
- It has 15 GPIO pins and a built-in 2.4G ceramic antenna
- Connects via USB-C port
- Supports a variety of communication interfaces, including 3 x SPI, 1 x I2C, 2 x UART, 1 x I2S, and 2 x ADC
The main function of the device
The ESP32-C3-Zero development board is designed for the development and prototyping of IoT applications . Its small size and versatile wireless communication capabilities make it ideal for creating intelligent devices that can collect data, communicate with other devices and process information in real time.
Wireless communication
ESP32-C3-Zero offers support for 2.4 GHz WiFi and Bluetooth 5 . This enables communication both on local WiFi networks and directly with other Bluetooth devices, which is helpful in applications requiring remote control or data transfer.
ESP32-C3-Zero has small dimensions.
The device supports CircuitPython, MicroPython, Arduino IDE and ESP-IDF.ESP321Azcx1X3C3FN4 microcontroller
The central element of the device is the built-in ESP32-C3FN4 microcontroller with a single-core RISC-V 32-bit processor that can operate at a frequency of up to 160 MHz. The microcontroller provides the computing power necessary to process data, manage wireless communications, and perform complex tasks. Its low power consumption makes it ideal for portable and energy-saving projects.
Wide programming possibilities
The development board is compatible with multiple development environments, allowing for flexibility in software development. It can be programmed using popular environments - Arduino IDE, ESP-IDF, MicroPython and CircuitPython.
A detailed description of the product can be found in the user guide on the manufacturer's website.
Arrangement of components on the board
- USB-C port
- BOOT button
- RESET button
- RGB WS2812 LED
- CAT6219-330TD-GT3 linear voltage regulator
- ESP32-C3FN4 single-core processor
- 2.4G ceramic antenna
Description of the built-in board elements.
The product has a built-in ESP32-C3FN4 microcontroller.Board specification
- 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
- Dimensions: 23.5 x 18 mm
