433MHz Receiver Log with NodeMCU

This repository contains a code snippet for creating a simple web server using NodeMCU (ESP8266) to log and display messages received from a 433MHz receiver.

Prerequisites

• NodeMCU board (ESP8266-based)
• Arduino IDE or compatible development environment
• ESP8266WiFi library
• ESP8266WebServer library
• RCSwitch library

Wiring Diagram

NodeMCU	433MHz Receiver
D2	Data Pin
3.3V	VCC
GND	GND

Getting Started

1. Clone or download this repository.

2. Open the arduino-443mhz-web-ui.ino file in the Arduino IDE.

3. Install the required libraries:

   • ESP8266WiFi: Install via Arduino Library Manager.
   • ESP8266WebServer: Install via Arduino Library Manager.
   • RCSwitch: Download the library from https://github.com/sui77/rc-switch and install manually.

4. Connect your NodeMCU board to your computer.

5. Set the Wi-Fi credentials:

   • Update the ssid and password variables in the code with your desired SSID and password for the Wi-Fi hotspot (default 443 and adminadmin)

6. Upload the code to your NodeMCU board.

7. Open the Arduino IDE serial monitor to view the IP address assigned to the Wi-Fi hotspot.

8. Connect to the Wi-Fi hotspot using the provided SSID and password.

9. Open a web browser and enter the IP address displayed in the serial monitor.

10. The web page will display the received messages, including the decimal and binary representation of each value.

Customize

• If you want to change the pin for the 433MHz receiver, modify the receiverPin constant in the code. By default, it is set to D2 on the NodeMCU board.

License

This code is licensed under the MIT License.