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How to Use esp32 type c: Examples, Pinouts, and Specs

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Introduction

The ESP32 Type-C, manufactured by IRPANGTG, is a versatile and powerful microcontroller module designed for IoT (Internet of Things) applications. It features dual-core processing, integrated Wi-Fi and Bluetooth capabilities, and a USB Type-C interface for power and data transfer. This module is ideal for projects requiring wireless communication, low power consumption, and high processing power.

Explore Projects Built with esp32 type c

Use Cirkit Designer to design, explore, and prototype these projects online. Some projects support real-time simulation. Click "Open Project" to start designing instantly!
ESP32-Powered NTP Clock with Multiple GC9A01 Displays
Image of InfoOrbsFork: A project utilizing esp32 type c in a practical application
This circuit features an ESP32 microcontroller connected to multiple GC9A01 displays and a USB Type C breakout for power. The ESP32 runs a sketch to retrieve the current time from an NTP server over WiFi and displays the hours and minutes across the GC9A01 displays, with each display showing a single digit or colon separator. Pushbuttons are connected to GPIOs on the ESP32, potentially for user input to control display functions or settings.
Cirkit Designer LogoOpen Project in Cirkit Designer
ESP32 and BW16-Kit-1 Microcontroller Communication Hub with Buzzer Notification
Image of BiJiQ Wi-Fi To.oL: A project utilizing esp32 type c in a practical application
This circuit features two ESP32 microcontrollers configured to communicate with each other via serial connection, as indicated by the cross-connection of their TX2 and RX2 pins. A BW16-Kit-1 microcontroller is also included, interfacing with one of the ESP32s through pins D26 and D27. Power is supplied to the microcontrollers through a step-down buck converter connected to a 5V Type C DC socket, and a buzzer is driven by one of the ESP32s, potentially for audio signaling purposes.
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ESP32-C3 and Micro SD Card Module for Data Logging
Image of Esp 32 super mini with MicroSd module: A project utilizing esp32 type c in a practical application
This circuit features an ESP32-C3 microcontroller interfaced with a Micro SD Card Module. The ESP32-C3 handles SPI communication with the SD card for data storage and retrieval, with specific GPIO pins assigned for MOSI, MISO, SCK, and CS signals.
Cirkit Designer LogoOpen Project in Cirkit Designer
ESP32C3 and LoRa-Enabled Environmental Sensing Node
Image of temperature_KA: A project utilizing esp32 type c in a practical application
This circuit features an ESP32C3 Supermini microcontroller connected to a LORA_RA02 module and a DHT11 temperature and humidity sensor. The ESP32C3 handles communication with the LORA module via SPI (using GPIO05, GPIO06, GPIO10, and GPIO04 for MISO, MOSI, NSS, and SCK respectively) and GPIO01 and GPIO02 for additional control signals. The DHT11 sensor is interfaced through GPIO03 for data reading, and all components share a common power supply through the 3.3V and GND pins.
Cirkit Designer LogoOpen Project in Cirkit Designer

Explore Projects Built with esp32 type c

Use Cirkit Designer to design, explore, and prototype these projects online. Some projects support real-time simulation. Click "Open Project" to start designing instantly!
Image of InfoOrbsFork: A project utilizing esp32 type c in a practical application
ESP32-Powered NTP Clock with Multiple GC9A01 Displays
This circuit features an ESP32 microcontroller connected to multiple GC9A01 displays and a USB Type C breakout for power. The ESP32 runs a sketch to retrieve the current time from an NTP server over WiFi and displays the hours and minutes across the GC9A01 displays, with each display showing a single digit or colon separator. Pushbuttons are connected to GPIOs on the ESP32, potentially for user input to control display functions or settings.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of BiJiQ Wi-Fi To.oL: A project utilizing esp32 type c in a practical application
ESP32 and BW16-Kit-1 Microcontroller Communication Hub with Buzzer Notification
This circuit features two ESP32 microcontrollers configured to communicate with each other via serial connection, as indicated by the cross-connection of their TX2 and RX2 pins. A BW16-Kit-1 microcontroller is also included, interfacing with one of the ESP32s through pins D26 and D27. Power is supplied to the microcontrollers through a step-down buck converter connected to a 5V Type C DC socket, and a buzzer is driven by one of the ESP32s, potentially for audio signaling purposes.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of Esp 32 super mini with MicroSd module: A project utilizing esp32 type c in a practical application
ESP32-C3 and Micro SD Card Module for Data Logging
This circuit features an ESP32-C3 microcontroller interfaced with a Micro SD Card Module. The ESP32-C3 handles SPI communication with the SD card for data storage and retrieval, with specific GPIO pins assigned for MOSI, MISO, SCK, and CS signals.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of temperature_KA: A project utilizing esp32 type c in a practical application
ESP32C3 and LoRa-Enabled Environmental Sensing Node
This circuit features an ESP32C3 Supermini microcontroller connected to a LORA_RA02 module and a DHT11 temperature and humidity sensor. The ESP32C3 handles communication with the LORA module via SPI (using GPIO05, GPIO06, GPIO10, and GPIO04 for MISO, MOSI, NSS, and SCK respectively) and GPIO01 and GPIO02 for additional control signals. The DHT11 sensor is interfaced through GPIO03 for data reading, and all components share a common power supply through the 3.3V and GND pins.
Cirkit Designer LogoOpen Project in Cirkit Designer

Common Applications and Use Cases

  • Smart home devices (e.g., smart lights, thermostats)
  • Wearable technology
  • Industrial IoT systems
  • Wireless sensor networks
  • Robotics and automation
  • Prototyping and development of IoT solutions

Technical Specifications

The ESP32 Type-C is built to deliver high performance while maintaining energy efficiency. Below are its key technical specifications:

General Specifications

Parameter Value
Microcontroller ESP32 Dual-Core Xtensa LX6
Clock Speed Up to 240 MHz
Flash Memory 4 MB (expandable)
SRAM 520 KB
Wireless Connectivity Wi-Fi 802.11 b/g/n, Bluetooth 4.2
USB Interface USB Type-C
Operating Voltage 3.3V
Input Voltage Range 5V (via USB Type-C)
GPIO Pins 30
ADC Channels 18
DAC Channels 2
PWM Channels 16
Operating Temperature -40°C to 85°C

Pin Configuration and Descriptions

The ESP32 Type-C module features a 30-pin layout. Below is the pin configuration:

Pin Number Pin Name Function
1 GND Ground
2 3V3 3.3V Power Output
3 EN Enable Pin (Active High)
4 IO0 GPIO0, Boot Mode Selection
5 IO1 GPIO1, UART TX
6 IO2 GPIO2, ADC2 Channel 2
7 IO3 GPIO3, UART RX
8 IO4 GPIO4, PWM Output
9 IO5 GPIO5, ADC2 Channel 5
10 IO12 GPIO12, Touch Sensor 2
11 IO13 GPIO13, Touch Sensor 3
12 IO14 GPIO14, PWM Output
13 IO15 GPIO15, ADC2 Channel 3
14 IO16 GPIO16, UART RX2
15 IO17 GPIO17, UART TX2
16 IO18 GPIO18, SPI Clock (SCK)
17 IO19 GPIO19, SPI MISO
18 IO21 GPIO21, I2C SDA
19 IO22 GPIO22, I2C SCL
20 IO23 GPIO23, SPI MOSI
21 IO25 GPIO25, DAC1
22 IO26 GPIO26, DAC2
23 IO27 GPIO27, ADC2 Channel 7
24 IO32 GPIO32, ADC1 Channel 4
25 IO33 GPIO33, ADC1 Channel 5
26 IO34 GPIO34, ADC1 Channel 6 (Input)
27 IO35 GPIO35, ADC1 Channel 7 (Input)
28 VIN Input Voltage (5V via USB-C)
29 TXD0 UART TX0
30 RXD0 UART RX0

Usage Instructions

How to Use the ESP32 Type-C in a Circuit

  1. Powering the Module: Connect the ESP32 Type-C to a 5V power source using the USB Type-C port. The onboard voltage regulator will step down the voltage to 3.3V for the microcontroller.
  2. Programming: Use the USB Type-C interface to connect the module to a computer. Install the necessary drivers and use the Arduino IDE or ESP-IDF for programming.
  3. GPIO Usage: Configure the GPIO pins as input or output in your code. Ensure that the voltage levels do not exceed 3.3V to avoid damage.
  4. Wireless Communication: Use the built-in Wi-Fi and Bluetooth libraries to establish wireless connections.

Important Considerations and Best Practices

  • Always use a stable 5V power source to avoid voltage fluctuations.
  • Avoid connecting GPIO pins directly to high-current loads; use transistors or relays for interfacing.
  • Use pull-up or pull-down resistors for input pins to prevent floating states.
  • Ensure proper grounding to minimize noise and interference in wireless communication.

Example Code for Arduino UNO

Below is an example of how to blink an LED connected to GPIO2 of the ESP32 Type-C:

// Example: Blink an LED connected to GPIO2 of ESP32 Type-C

// Define the GPIO pin for the LED
const int ledPin = 2;

void setup() {
  // Initialize the GPIO pin as an output
  pinMode(ledPin, OUTPUT);
}

void loop() {
  // Turn the LED on
  digitalWrite(ledPin, HIGH);
  delay(1000); // Wait for 1 second

  // Turn the LED off
  digitalWrite(ledPin, LOW);
  delay(1000); // Wait for 1 second
}

Troubleshooting and FAQs

Common Issues and Solutions

  1. ESP32 Not Detected by Computer:

    • Ensure the USB Type-C cable supports data transfer (not just charging).
    • Install the correct USB-to-serial drivers for the ESP32.
  2. Wi-Fi Connection Fails:

    • Verify the SSID and password in your code.
    • Check for interference from other devices or networks.
  3. GPIO Pin Not Responding:

    • Confirm the pin configuration in your code.
    • Check for short circuits or incorrect wiring.
  4. Module Overheating:

    • Ensure the input voltage does not exceed 5V.
    • Avoid running high-power tasks continuously without proper cooling.

FAQs

Q: Can I power the ESP32 Type-C with a battery?
A: Yes, you can use a 3.7V LiPo battery connected to the VIN pin, but ensure proper regulation to avoid damage.

Q: Does the ESP32 Type-C support OTA updates?
A: Yes, the ESP32 supports Over-The-Air (OTA) updates, which can be implemented using the Arduino IDE or ESP-IDF.

Q: Can I use the ESP32 Type-C with MicroPython?
A: Absolutely! The ESP32 is compatible with MicroPython, allowing you to write and execute Python scripts directly on the module.