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ESP32C3-MINI-DK: high-resolution pinout and specs

Renzo Mischianti
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The ESP32-C3-MINI-DK is a clone of ESP32-C3-DevKitM-1, and like the original It’s a compact, feature-rich development board for IoT applications and embedded systems development. It is built around the ESP32-C3-MINI-1 microcontroller, which is a single-core, 32-bit RISC-V processor with integrated 2.4 GHz Wi-Fi and Bluetooth 5.0 LE (Low Energy) connectivity.

ESP32C3-MINI-DK (ESP32-C3-MINI-1) pinout

High resolution image

Main Componentsintroduce
ESP32C3-MINI-1
Mods		ESP32C3-MINI-1 is a universal Wi-Fi and low-power Bluetooth dual module launched by Espressif, with powerful functions. The module adopts PCB onboard antenna and is equipped with 4MB SPI flash
Pin headersAll available GPIO pins have been drawn out to the development board headers
5V to 3V3 LDOPower converter, input 5V, turn out 3.3V
Micro USB PortUSB interface, can be used as the power supply interface of the development board, can burn firmware to the chip, and can communicate with the chip through the USB protocol
USB-To-UART Converter ChipSingle-chip USB to UART bridge for increased transfer rates up to 3Mbps
RGB LEDAddressable RGB LEDs driven by GPIO8

PINs

UART (Universal Asynchronous Receiver-Transmitter) pins:

I2C (Inter-Integrated Circuit) pins: The ESP32-C3 does not have dedicated I2C pins. However, you can implement software-based I2C (bit-banging) using any available GPIO pins. For instance, you could use GPIO12 (SPIHD) and GPIO13 (SPIWP) for the I2C SCL (clock) and SDA (data) pins, respectively.

The BOOT (IO09) pin cannot be pulled down before power-on, and the ESP32 will enter the download mode.

Specs

CPU and On­Chip Memory

ESP32­-C3-­MINI­-1 (ANT) Series Comparison

Ordering CodeFlashAmbient Temp. (°C)Size (mm)
ESP32-C3-MINI-1-N44 MB (Quad SPI)–40 ∼ 85
13.2 × 16.6 × 2.4
ESP32-C3-MINI-1-H44 MB (Quad SPI)–40 ∼ 105
ESP32-C3-MINI-1-H4-AZ4 MB (Quad SPI)–40 ∼ 105

ESP32-­C3­-MINI­-1U (CONN) Series Comparison

Ordering CodeFlashAmbient Temp. (°C)Size (mm)
ESP32-C3-MINI-1U-N44 MB (Quad SPI)–40 ∼ 8513.2 × 12.5 × 2.4
ESP32-C3-MINI-1U-H44 MB (Quad SPI)–40 ∼ 105

Wi­Fi

Bluetooth

Peripherals

Integrated Components on Module

Antenna Options

How to

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Support forum

Datasheet

ESP32-C3-MINI-1 Datasheet datasheet

ESP32-C3-DevKitM-1 Schematic

ESP32-C3-DevKitM-1 PCB Layout

Thanks


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