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controlling-162-lcd-display-via-smartphone-using-arduino-0de5a1-en.md

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EXPANDED TECHNICAL DETAILS

Smartphone-to-Hardware Messaging Bridge

This project transforms your smartphone into a remote keyboard for your Arduino, allowing you to update a physical 16x2 LCD display over a serial/Bluetooth link.

  • Serial Terminal Dispatch Engine: The user types messages into a "Serial Monitor" app on their Android smartphone. These strings are sent over Bluetooth to the Arduino (management core).
  • LCD Buffer Management Matrix: The Arduino receives the characters and formats them for the 16x2 display. The firmware includes an "Auto-Wrap" feature: if a word is too long for the first line, it automatically moves to the second.

Interaction

  • Remote Visual Notification: Perfect for leaving "Digital Notes" on a desk or kitchen counter; the LCD provides a low-power, always-on view of the latest message sent from the phone.

ข้อมูล Frontmatter ดั้งเดิม

title: "Controlling 16*2 LCD display via smartphone using arduino"
description: "Controlling 16*2 LCD display using a smarphone, arduino and a HC05 bluetooth module."
author: "learnelectronics7"
category: ""
tags:
  - "remote control"
views: 881
likes: 0
price: 16
difficulty: "Easy"
components:
  - "1x Alphanumeric LCD, 16 x 2"
  - "1x HC-05 Bluetooth Module"
  - "1x Arduino Nano R3"
tools: []
apps:
  - "1x serial monitor for android"
downloadableFiles:
  - "https://projects.arduinocontent.cc/a257105b-69f6-4249-93f8-16878141025a.ino"
documentationLinks: []
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seoDescription: "Learn to control a 16*2 LCD display via smartphone using arduino and HC05 bluetooth module."
videoLinks: []
heroImage: "https://cdn.jsdelivr.net/gh/bigboxthailand/arduino-assets@main/images/projects/controlling-162-lcd-display-via-smartphone-using-arduino-0de5a1_cover.jpg"
lang: "en"