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ESP8266 ESP-01 ESP-01S Breakout Board Breadboard Adapter

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Component Name

ESP8266 ESP-01/ESP-01S Breakout Board Breadboard Adapter

Overview

The ESP8266 ESP-01/ESP-01S Breakout Board Breadboard Adapter is a compact and versatile development board designed to facilitate the use of ESP-01 and ESP-01S Wi-Fi modules in IoT projects. This breakout board provides a convenient and easy-to-use interface for prototyping and developing projects that require Wi-Fi connectivity.

Functionality

The ESP8266 ESP-01/ESP-01S Breakout Board Breadboard Adapter serves as an intermediary between the ESP-01/ESP-01S Wi-Fi module and a breadboard or a PCB. It provides a robust and reliable connection between the module and the breadboard, ensuring stable and efficient communication. The breakout board allows users to easily access and utilize the ESP-01/ESP-01S module's features, including

Wi-Fi connectivity

Microcontroller functionality

GPIO pins for sensors and actuators

UART interface for serial communication

Key Features

  • Compatibility: The breakout board is compatible with both ESP-01 and ESP-01S Wi-Fi modules, allowing users to choose the module that best suits their project requirements.
  • Breadboard-friendly design: The board features a compact design with a standard 0.1" pitch, making it easy to use with breadboards and protoboards.
  • GPIO access: The breakout board provides access to all GPIO pins of the ESP-01/ESP-01S module, allowing users to connect sensors, actuators, and other peripherals.
  • UART interface: The board features a UART interface for serial communication, enabling users to connect to serial devices and peripherals.
  • Power supply: The breakout board includes a power supply circuit that can be powered via a USB connection or an external power source.
  • Reset button: A reset button is provided to allow users to easily reset the ESP-01/ESP-01S module.
  • Onboard LEDs: The board features onboard LEDs that indicate the module's status, including power, Wi-Fi connectivity, and data transmission.
  • Compact size: The breakout board measures only 25.5mm x 15.5mm, making it an ideal choice for compact IoT projects.
  • RoHS compliance: The breakout board is RoHS compliant, ensuring it meets environmental and safety standards.

Operating voltage

3.3V

Communication protocols

Wi-Fi, UART

GPIO pins

8 (accessible via breadboard-friendly pins)

UART interface

1 (TX, RX, GND)

Power supply

USB or external power source

Operating temperature

-20C to 80C

Dimensions

25.5mm x 15.5mm

Applications

The ESP8266 ESP-01/ESP-01S Breakout Board Breadboard Adapter is ideal for a wide range of IoT projects, including

Wi-Fi enabled robots and drones

Home automation systems

IoT sensors and monitoring systems

Wearable devices

Smart home appliances

Conclusion

The ESP8266 ESP-01/ESP-01S Breakout Board Breadboard Adapter is a versatile and easy-to-use development board that simplifies the use of ESP-01 and ESP-01S Wi-Fi modules in IoT projects. Its compact size, breadboard-friendly design, and robust feature set make it an ideal choice for both technical professionals and informed hobbyists.

Pin Configuration

  • ESP8266 ESP-01 ESP-01S Breakout Board Breadboard Adapter Pinout Explanation
  • The ESP8266 ESP-01 ESP-01S Breakout Board Breadboard Adapter is a convenient module that allows easy connection of the ESP-01/ESP-01S Wi-Fi module to a breadboard or a PCB. The breakout board provides access to all the pins of the ESP-01/ESP-01S module, making it easier to work with. Here's a detailed explanation of each pin:
  • Pinout:
  • 1. VCC (3.3V)
  • Function: Power supply pin
  • Description: This pin provides 3.3V power to the ESP-01/ESP-01S module. Ensure a stable 3.3V power supply is connected to this pin.
  • Connection: Connect a 3.3V power source (e.g., from a voltage regulator or a battery) to this pin.
  • 2. RST (Reset)
  • Function: Reset pin
  • Description: This pin is used to reset the ESP-01/ESP-01S module. When pulled low, the module will restart.
  • Connection: Typically, this pin is connected to a push-button or a reset circuit to allow manual reset of the module.
  • 3. EN (Enable)
  • Function: Enable pin
  • Description: This pin enables or disables the ESP-01/ESP-01S module. When pulled high, the module is enabled.
  • Connection: Connect this pin to VCC (3.3V) to enable the module.
  • 4. IO0 (GPIO0)
  • Function: General-purpose input/output pin
  • Description: This pin can be used as an input or output pin, depending on the firmware configuration.
  • Connection: Dependent on the specific application, can be connected to sensors, actuators, or other peripherals.
  • 5. IO2 (GPIO2)
  • Function: General-purpose input/output pin
  • Description: This pin can be used as an input or output pin, depending on the firmware configuration.
  • Connection: Dependent on the specific application, can be connected to sensors, actuators, or other peripherals.
  • 6. RX (Receive)
  • Function: UART receive pin
  • Description: This pin is used for receiving serial data from a UART device.
  • Connection: Connect to the TX pin of a UART device (e.g., a serial adapter or a microcontroller).
  • 7. TX (Transmit)
  • Function: UART transmit pin
  • Description: This pin is used for transmitting serial data to a UART device.
  • Connection: Connect to the RX pin of a UART device (e.g., a serial adapter or a microcontroller).
  • 8. GND (Ground)
  • Function: Ground pin
  • Description: This pin provides a ground reference for the ESP-01/ESP-01S module.
  • Connection: Connect to the ground of the power supply or other components.
  • 9. CH_PD (Chip Power Down)
  • Function: Chip power-down pin
  • Description: This pin is used to put the ESP-01/ESP-01S module into a low-power state.
  • Connection: Typically, this pin is connected to VCC (3.3V) to keep the module active.
  • Connecting the Pins:
  • When connecting the pins, ensure that:
  • VCC and GND are connected to a stable 3.3V power supply and ground, respectively.
  • RST and EN pins are connected properly to allow manual reset and enable the module.
  • IO0 and IO2 pins are connected to peripherals or sensors according to the specific application.
  • RX and TX pins are connected to a UART device for serial communication.
  • CH_PD pin is connected to VCC (3.3V) to keep the module active.
  • Remember to handle the ESP-01/ESP-01S module with care, as it is sensitive to static electricity and can be damaged easily. Always ensure proper connections and follow the recommended safety precautions when working with electronics.

Code Examples

ESP8266 ESP-01 ESP-01S Breakout Board Breadboard Adapter Documentation
Overview
The ESP8266 ESP-01 ESP-01S Breakout Board Breadboard Adapter is a convenient development board designed for the popular ESP-01 and ESP-01S Wi-Fi modules. This adapter provides an easy-to-use breadboard-friendly interface for prototyping and development, allowing you to take full advantage of the ESP8266's Wi-Fi capabilities.
Features
Compatible with ESP-01 and ESP-01S modules
 Breakout board design for easy breadboarding
 Provides access to all GPIO pins
 On-board 3.3V voltage regulator
 USB-to-UART programming interface
 Support for serial communication protocols (UART, SPI, I2C)
Code Examples
### Example 1: Basic Wi-Fi Connection and HTTP Request
In this example, we'll demonstrate how to connect to a Wi-Fi network and send an HTTP request using the ESP8266 ESP-01 ESP-01S Breakout Board Breadboard Adapter.
Hardware Requirements:
ESP8266 ESP-01 ESP-01S Breakout Board Breadboard Adapter
 Breadboard and jumper wires
 USB-to-UART programming cable
 Computer with Arduino IDE installed
Software Requirements:
Arduino IDE (version 1.8.10 or later)
 ESP8266 Board package (version 2.7.4 or later)
Code:
```c++
#include <WiFi.h>
const char ssid = "your_wifi_ssid"; // Replace with your Wi-Fi network SSID
const char password = "your_wifi_password"; // Replace with your Wi-Fi network password
void setup() {
  Serial.begin(115200);
// Connect to Wi-Fi network
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to Wi-Fi...");
  }
Serial.println("Connected to Wi-Fi");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}
void loop() {
  // Send HTTP request to a public API
  WiFiClient client;
  HTTPClient http;
  http.begin("http://api.example.com/data");
  int httpCode = http.GET();
  if (httpCode > 0) {
    String response = http.getString();
    Serial.println("HTTP response: ");
    Serial.println(response);
  } else {
    Serial.println("Error sending HTTP request");
  }
  http.end();
  delay(5000);
}
```
### Example 2: IoT Sensor Data Transmission using MQTT
In this example, we'll demonstrate how to use the ESP8266 ESP-01 ESP-01S Breakout Board Breadboard Adapter to read data from a temperature sensor and transmit it to an MQTT broker.
Hardware Requirements:
ESP8266 ESP-01 ESP-01S Breakout Board Breadboard Adapter
 Breadboard and jumper wires
 USB-to-UART programming cable
 Temperature sensor (e.g., DS18B20)
 Computer with MQTT broker installed (e.g., Mosquitto)
Software Requirements:
Arduino IDE (version 1.8.10 or later)
 ESP8266 Board package (version 2.7.4 or later)
 PubSubClient library (version 2.8 or later)
Code:
```c++
#include <WiFi.h>
#include <PubSubClient.h>
const char ssid = "your_wifi_ssid"; // Replace with your Wi-Fi network SSID
const char password = "your_wifi_password"; // Replace with your Wi-Fi network password
const char mqttServer = "your_mqtt_broker_ip"; // Replace with your MQTT broker IP
const char mqttTopic = "temperature_data"; // Replace with your MQTT topic
WiFiClient espClient;
PubSubClient client(espClient);
void setup() {
  Serial.begin(115200);
// Connect to Wi-Fi network
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to Wi-Fi...");
  }
Serial.println("Connected to Wi-Fi");
// Initialize MQTT client
  client.setServer(mqttServer, 1883);
}
void loop() {
  // Read temperature data from sensor
  int tempData = readTemperature(); // Replace with your temperature sensor read function
// Convert temperature data to string
  String tempString = String(tempData);
// Publish temperature data to MQTT topic
  client.publish(mqttTopic, tempString.c_str());
  Serial.println("Temperature data sent to MQTT broker");
delay(5000);
}
int readTemperature() {
  // Replace with your temperature sensor read function
  // For example:
  // return analogRead(A0);
}
```
These examples demonstrate the versatility of the ESP8266 ESP-01 ESP-01S Breakout Board Breadboard Adapter in various IoT applications. By using this adapter, you can easily develop and prototype innovative Wi-Fi-based projects.