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ESP32 C3 Super Mini Development Board with WiFi and Bluetooth in Bangladesh
ESP32 C3 Super Mini Development Board with WiFi and Bluetooth in Bangladesh

ESP32 C3 Super Mini Development Board with WiFi and Bluetooth

SKU: 251210005122

Brand: Made in China

Warranty: 3 Days

৳ 540.04

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Category: ESP32

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Description of ESP32 C3 Super Mini Development Board with WiFi and Bluetooth

The ESP32-C3 Super Mini is an ultra-compact, high-performance, and cost-effective development board based on the powerful Espressif ESP32-C3 chip. This board features a 32-bit RISC-V single-core CPU running at up to 160 MHz, providing a strong balance of processing power and low energy consumption. With built-in WiFi + Bluetooth, it’s perfect for IoT projects that need reliable wireless connectivity.

The board offers flexible power management, supporting a wide input range of 3.3V to 6V. It can be powered via the onboard USB Type-C connector or an external power source, though users must select only one power input at a time.

Built with an ultra-compact form factor, this module fits perfectly into tight or space-limited projects. Its onboard PCB antenna delivers stable wireless connectivity without the need for any external antenna.For hassle-free development, the board includes both a reset button and a bootloader button, ensuring smooth flashing and debugging during your workflow. With support for multiple communication interfaces such as UART, I²C, and SPI, along with a generous set of GPIO pins, the ESP32-C3 SuperMini is an excellent choice for a wide range of embedded and IoT applications.

 

Technical Specifications

  • Chipset: Espressif ESP32-C3
  • Processor: 32-bit RISC-V single-core CPU running up to 160 MHz
  • Flash Memory: 4 MB (onboard SPI flash)
  • SRAM: 400 KB
  • ROM: 384 KB
  • Wi-Fi: 802.11 b/g/n, 2.4 GHz, up to 150 Mbps
  • Bluetooth: Bluetooth 5.0 LE
  • GPIO Pins: 11 accessible GPIOs
  • Analog Inputs (ADC): 2 × 12-bit SAR ADCs, up to 6 channels
  • PWM Channels: 6 channels
  • SPI: 3 × SPI interfaces (SPI0, SPI1 reserved)
  • I2C: 1 × I2C interface
  • UART: 2 × UART interfaces
  • I2S: 1 × I2S interface
  • USB Interface: USB Type-C, supports USB CDC
  • Power Supply: 5V via USB-C or 3.3V–6V via VIN (5V) pin; onboard 3.3V regulator (up to 500 mA)
  • Operating Voltage: 3.3V (logic level for GPIOs)
  • Deep Sleep Mode: 43uA
  • Buttons: 1 × Reset button, 1 × Boot button (GPIO9)
  • LED: 1 × onboard LED (on GPIO8, active low)
  • Programming: Arduino IDE, ESP-IDF, MicroPython, PlatformIO/pioarduino

 

Applications

  • Smart home systems and Internet-connected IoT devices
  • Wireless monitoring and sensor-based networks
  • DIY electronics projects, including Arduino-style development
  • Rapid prototyping for embedded hardware solutions
  • Learning and experimenting with RISC-V–based microcontrollers

 

Pinout Diagram and Details

The following table describes the pin mapping and its functions.
 

Pin

Function

3V3

3.3V output/input (outputs 3.3V from the onboard regulator, or it is a input for external 3.3V power supply)

5V

5V input/output (connects to the USB-C 5V or external 5V supply)

GND

GND pin

GPIO 0

General-purpose I/O, ADC1, PWM

GPIO 1

General-purpose I/O, ADC1, PWM

GPIO 2

General-purpose I/O ADC1, Strapping Pin (Boot Mode) (avoid for general use)

GPIO 3

General-purpose I/O, PWM

GPIO 4

General-purpose I/O, PWM, default SPI SCK pin

GPIO 5

General-purpose I/O, PWM, default SPI MISO pin

GPIO 6

General-purpose I/O, PWM, default SPI MOSI pin

GPIO 7

General-purpose I/O, PWM, default SPI SS pin

GPIO 8

Connected to the onboard LED (active low); Strapping Pin (avoid for general use);

Default I2C SDA pin

GPIO 9

Connected to BOOT Button (LOW to enter bootloader), Strapping Pin (avoid for general use)

Default I2C SCL pin

GPIO 10

General-purpose I/O, PWM

GPIO 20

General-purpose I/O, PWM, default UART RX Pin

GPIO 21

General-purpose I/O, PWM, default UART TX Pin

 

Strapping Pins

  • GPIO 2: a strapping to enter bootloader mode – avoid for general use.
  • GPIO 8: connected to the onboard blue LED (inverted logic/active LOW); it’s also a strapping pin;
  • GPIO 9: connected to the BOOT button – avoid for general use;

You can still use the strapping pins in your projects, however, you need to take into account the fluctuation of the state of these GPIOs when the ESP32 resets or enters into bootloader mode.

 

Power Pins

When it comes to power pins, you have one 5V, one 3V3, and a GND pin. The 3V3 pin provides 3.3V from the onboard regulator or accepts 3.3V from an external power source. Similarly, the 5V pin, can be used for input to power the board, or it outputs 5V from the USB power supply.

 

PWM

All general-purpose GPIOs can output PWM signals.

 

Analog (ADC) Pins

GPIOs 0, 1, 2, 3, 4, and 5 support analog reading:

  • GPIO 0: ADC1_CH0
  • GPIO 1: ADC1_CH1
  • GPIO 2: ADC1_CH2
  • GPIO 3: ADC1_CH3
  • GPIO 4: ADC1_CH4
  • GPIO 5: ADC1_CH5

 

UART, I2C, and PWM

Due to the ESP32 multiplexing feature, the UART, SPI, and I2C interfaces can be assigned to nearly any GPIO.

 

However, when using Arduino IDE, and assuming you’re selecting the ESP32 C3 board in the Boards menu, it will assume the following pins as defaults:

 

  • UART: defaults to GPIO 20 (RX) and GPIO21 (TX)
  • SPI: defaults to GPIO6 (MISO), GPIO7 (MOSI), GPIO10 (SCK), and GPIO 5 (SS)
  • I2C: defaults to GPIO 8 (SDA) and GPIO 9 (SCL)

 

Documents & Resources

 

Package Includes

  • 1 x ESP32-C3 Super Mini Development Board with WiFi and Bluetooth
  • 2 x Pin headers

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ESP32 C3 Super Mini Development Board with WiFi and Bluetooth

৳ 540.04

What is the price of ESP32 C3 Super Mini Development Board with WiFi and Bluetooth in BD?

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