LCD Keypad Shield for Arduino
LCD Keypad Shield for Arduino
LCD Keypad Shield for Arduino
LCD Keypad Shield for Arduino
LCD Keypad Shield for Arduino
LCD Keypad Shield for Arduino

LCD Keypad Shield for Arduino

Arduino Shields
ARD605
€6.90
In Stock
Immediate Dispatch
LCD Keypad Shield for Arduino by Kuongshun — a plug-and-play 16x2 LCD display shield with 5 navigation buttons and a reset button, designed to snap directly onto your Arduino UNO. Powered at 5V with a blue backlit display and onboard power LED for clear visibility in any lighting.

 

The LCD Keypad Shield for Arduino by Kuongshun is a ready-to-use shield that mounts a 16x2 character LCD display directly on top of your Arduino UNO, giving you an instant human interface without any extra wiring. Operating at 5V, it is fully compatible with the Arduino ecosystem and lets you display sensor readings, menu options, or custom messages the moment you power it up.

Key Features

  • 16x2 LCD Character Display: Two rows of 16 characters provide enough space for labels and values simultaneously → ideal for data readouts and simple menus
  • 5 Navigation Buttons (Up, Down, Left, Right, Select): All mapped to a single analog pin via a resistor ladder → frees up digital pins for your own sensors and modules
  • Reset Button: Onboard hardware reset → restart your sketch instantly without reaching for the board
  • Blue Backlit Display: High-contrast blue/white backlight → readable in low-light and indoor environments
  • Onboard Power LED: Visual confirmation that the shield is receiving power → quick troubleshooting at a glance
  • Plug-and-Play Design: Snaps directly onto Arduino UNO headers → no soldering or breadboarding required
  • 5V Operation: Matches the Arduino UNO/Mega logic level natively → no level shifting needed

Pinout & Wiring

Arduino PinSymbolDescription
D4LCD_D4LCD data bit 4
D5LCD_D5LCD data bit 5
D6LCD_D6LCD data bit 6
D7LCD_D7LCD data bit 7
D8LCD_RSLCD Register Select
D9LCD_EN (Backlight)LCD Enable / Backlight PWM control
D10LCD_ELCD Enable strobe
A0BTNAll 5 navigation buttons via resistor ladder (analog read)

Simply stack the shield onto your Arduino UNO and use the standard Arduino LiquidCrystal library with pins RS=8, EN=9, D4=4, D5=5, D6=6, D7=7. Read analogRead(A0) to detect which button is pressed based on voltage thresholds.

Compatibility

  • Arduino UNO (R3): Primary target platform — direct pin-compatible, 5V logic, plug-and-play
  • Arduino Mega 2560: Compatible via the standard shield headers on the same pin positions
  • Arduino Leonardo / Duemilanove: Compatible with the same pin mapping

Typical Applications

  • Standalone Arduino projects: Display real-time sensor data (temperature, humidity, distance) without a computer or serial monitor
  • Menu-driven interfaces: Navigate between program modes or settings using the Up/Down/Select buttons
  • DIY weather stations: Show live readings from DHT11/DHT22 or BMP280 sensors on the LCD
  • Educational projects: Teach microcontroller interfacing, button debouncing, and analog multiplexing in classrooms and workshops
  • Prototyping user interfaces: Quickly prototype any embedded UI before moving to a custom PCB

Technical Specifications

SpecificationValue
InterfaceParallel 4-bit LCD + Analog button input (A0)
Operating Voltage5V
Display Type16x2 Character LCD
Backlight ColorBlue
Buttons5 navigation (Up, Down, Left, Right, Select) + 1 Reset
Onboard LEDPower indicator LED
Compatible PlatformArduino UNO / Mega / Leonardo
BrandKuongshun

FAQ

Q: Which Arduino library should I use with this shield?
A: Use the built-in Arduino LiquidCrystal library. Initialize it with LiquidCrystal lcd(8, 9, 4, 5, 6, 7); — no extra installation required.

Q: Can I control the backlight brightness?
A: Yes — pin D9 supports PWM, so you can use analogWrite(9, value) to adjust backlight brightness from 0 to 255.

Package Contents: 1× LCD Keypad Shield for Arduino (Kuongshun)

⚠ Note: This shield operates at 5V and is designed for Arduino UNO-compatible boards. Do not connect directly to 3.3V systems (ESP32, Raspberry Pi) without appropriate level shifting, as this may damage the display or the host board.
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