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Standard HD44780 LCDs are useful for creating standalone projects.

  • 16 characters wide, 2 rows
  • White text on blue background
  • Connection port is 0.1" pitch, single row for easy breadboarding and wiring
  • Pins are documented on the back of the LCD to assist in wiring it up
  • Single LED backlight included can be dimmed easily with a resistor or PWM and uses much less power than LCD with EL (electroluminescent) backlights
  • Can be fully controlled with only 6 digital lines! (Any analog/digital pins can be used)
  • Built in character set supports English/Japanese text, see the HD44780 datasheet for the full character set
  • Up to 8 extra characters can be created for custom glyphs or 'foreign' language support
  • Comes with necessary contrast potentiometer and strip of header
Play Music With Your Remote
Easy
  • 925
  • 7

Full instructions

Choose a song with your remote and Arduino will play it. On the monitor will appear the musical note played.

Suicide Prevention Gun Safe Locking System
Advanced
  • 175
  • 3

Full instructions

An IoT device that helps prevent gun suicides through safe monitoring, only allowing access to a safe through a request/approval process.

ArduRadio AlarmClock
Intermediate
  • 2,310
  • 2

Full instructions

Build an FM radio with alarm clock.

Smart Home System [AHCS]
Advanced
  • 162
  • 1

Very easy and effective home automation system based on PIC16F877A. Control home appliances remotely and monitor fire and break-ins.

Smart Home System [AHCS]

Team Infinity Tech

Smart Home System [AHCS]
Advanced
  • 162
  • 1

Very easy and effective home automation system based on PIC16F877A. Control home appliances remotely and monitor fire and break-ins.

Smart Home System [AHCS]

Team Infinity Tech

Easily Wire a 16x2 LCD
Easy
  • 234
  • 2

Wire a 16x2 LCD.

AI LCD friend!
Easy
  • 108
  • 0

Full instructions

An LCD buddy that reacts to you!

DFT Audio Analyser
Intermediate
  • 56
  • 0

Full instructions

Implementing DFT on ATMega328p microcontroller.

Smart Garden
Intermediate
  • 5,890
  • 30

Smart Garden is a plant environmental monitoring system.

4 Wire LCD Control with BL and Contrast Using Shift Register
Intermediate
  • 799
  • 10

Control a 16x2 LCD, including contrast and backlight in code, using a shift register. Includes library with fade and backlight functions.

WiFi Messenger
Intermediate
  • 1,845
  • 19

Calling my son from his room using 2 ESP8266 modules, instead of shouting.

I Keep my Cucumber Growing Conditions Moist - Part 2
Easy
  • 1,204
  • 7

Full instructions

This is the next step with an Ultrasonic HC-SR04 Echo and LCD 1602.

Electronic Piano Keyboard with Preset Songs
Easy
  • 53,965
  • 110

Full instructions

An electronic keyboard with 7 piano keys, programmed to Middle B/A/G/F/E/D/C, and an 8th button used to access a menu of preset songs.

Wildlife Detector
Advanced
  • 1,288
  • 14

Device detects motion, then takes a picture of triggering wildlife. Uses a neural net to identify the wildlife species and does something.

Wildlife Detector

Team Awkward Elk

Arduino Kitchen Timer
Intermediate
  • 32,896
  • 45

Full instructions

An Arduino UNO-based classic kitchen timer with LCD display and buzzer

Arduino Kitchen Timer

Team I and myself

Electronic Safe with Arduino
Advanced
  • 13,551
  • 32

Arduino Safe - 6 digit Passcode

Esquilo Air and 1602A LCD Tutorial
Easy
  • 100
  • 4

Protip

This is a very simple example setup to show how to hook a 1602A LCD panel up to an Esquilo Air.

RFID Based Automatic Door System
Intermediate
  • 13,227
  • 44

Secure your house by implementing this handy automatic door management system.

Food Detector
Easy
  • 19,174
  • 65

Full instructions

Make Arduino detect any food item by a simple circuit.

Simple Arduino Digital Clock Without RTC
Easy
  • 17,398
  • 39

Work in progress

A simple Arduino Clock without RTC module for beginners. #Arduino project for beginners

$10 Portable Arduino Weather Station (AWS)
Intermediate
  • 21,821
  • 39

Full instructions

Let us predict the changes around us with Arduino

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