Key Features of the ESP32-C3 Wroom From Espressif

One of their notable products is the ESP32 C3, introduced in November 2020. It is a single-core, 32-bit MCU based on the RISC-V architecture, equipped with 400 KB of SRAM and a 160MHz processor. The ESP32-C3 includes 2.4 GHz Wi-Fi and Bluetooth 5 (LE) with long-range capabilities. It offers 22 programmable GPIOs that support various interfaces such as ADC, SPI, UART, I2C, I2S, RMT, TWAI, and PWM.

ESP32-C3-Wroom-o2 Features:

MCU:-

ESP32-C3 embedded, 32-bit RISC-V single-core processor, up to 160 MHz

384 KB ROM • 400 KB SRAM • 8 KB SRAM in RTC

Wi­Fi:-

IEEE 802.11 b/g/n-compliant

1T1R mode with data rate up to 150 Mbps

A-MPDU and A-MSDU aggregation

0.4 µs guard interval

Operating frequency: 2412 ~ 2484 MHz

Bluetooth:-

Bluetooth LE: Bluetooth 5, Bluetooth mesh

Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps

Advertising extensions

Multiple advertisement sets

Channel selection algorithm #2

Hardware:-

Interfaces: GPIO, SPI, UART, I2C, I2S, remote control peripheral, LED PWM controller, USB 1.1, general DMA controller, TWAI controller (compatible with ISO 11898-1), temperature sensor

SAR ADC :

40 MHz crystal oscillator • 4 MB SPI flash • Operating voltage/Power supply: 3.0~ 3.6 V

Ambient temperature:-

85 °C version module: –40~ 85 °C

105 °C version module: –40~ 105 °C

To interface with the ESP32 C3, Espressif provides the ESP32-C3-DevKitM-1, which offers I/O pins on the module that can be easily connected through pin headers. The module can be mounted on a breadboard or connected to peripherals using jumper wires. The key components of the ESP32-C3-DevKitM-1 include , Boot Button, Micro-USB Port, 5 V Power On LED, 5 V to 3.3 V LDO, USB to UART Bridge, Reset Button, I/O Connector, and an RGB LED driven by GPIO8.

To establish a connection, the can be connected to a PC using a USB cable. In some cases, the device driver may not be automatically installed, requiring manual installation of the driver specific to the USB to serial converter chip on the ESP32-C3 board. Espressif provides links to drivers for ESP32-C3 boards, such as FTDI and CP210x, although these drivers are often bundled with the operating system and installed automatically when the board is connected to the PC.

The process for checking the port on Windows, Linux, and macOS is explained, along with adding the user to the dialout group on Linux to grant permission for reading and writing to the serial port over USB. It is recommended to verify the serial connection by testing it with a serial terminal software to ensure functionality.

In addition to the ESP32-C3 series, Espressif offers various other SoC variants, including the ESP32-S2 series, ESP32, and ESP32s, each designed to meet different market requirements. These series and their full specifications can be found on Espressif's official website- https://www.campuscomponent.com/products/esp32-c3-wroom-o2-n4/2208614000011890389