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bluetooth transmittor

A device that receives data through RS232 and sends it wirelessly via Bluetooth.

bluetooth transmittor
 
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Hardware Components

  • ESP32 Development Board | Doit DevKit V1 | powerful Wroom32 modu

    X 1 fenxiang

Goods

Tools, APP Software Used etc.

  • Arduino IDE

    Arduino IDE

    Arduino
    fenxiang

Story

RS232 to Bluetooth Transmitter Using ESP32 

 

  • Goal: Transmit real-time RS232 serial data wirelessly over Bluetooth using ESP32.

  • Hardware:

    • ESP32 development board (with built-in Bluetooth)

    • RS232 to TTL converter (e.g., MAX232) to interface RS232 signals with ESP32 UART

  • Connections:

    • RS232 device → MAX232 converter → ESP32 UART (GPIO16 RX, GPIO17 TX)

    • Common ground between all devices

  • Software:

    • ESP32 reads RS232 data via UART2 at matching baud rate

    • Transmits received bytes over Bluetooth Serial (SPP)

  • Usage:

    • Pair ESP32 Bluetooth device with PC or smartphone

    • Use Bluetooth terminal app to view RS232 data wirelessly in real-time

  • Applications:

    • Wireless monitoring and logging of legacy serial devices

    • Remote data access without cables

Code

  • code

    https://github.com/MathivaananAruldass/Embedded_MC/blob/main/Iot%20Projects/rs232_to_bluetooth_transmittor/sketch_nov29a.ino
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Topic
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#RS232toBluetoot #ESP32 #UARTCommunicati #SerialData #WirelessTransmi #BluetoothSPP #MAX232 #RealTimeData #BluetoothDataSt
License: Attribution-ShareAlike (CC BY-SA)

bluetooth transmittor

A device that receives data through RS232 and sends it wirelessly via Bluetooth.

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