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ITEAD 1602LCD LCD Screen Expansion Board LCD Characters Display Keypad Shield with Buttons for Arduino
Description:
LCD Keypad Shield input/output expansion boards with 2 lines of 16 characters LCD with contrast adjustment and backlight, use 1 analog port will complete the input 5 buttons, 1 reset button, all unused IO expanded on standby, making full use of IO. Take up digital port: PIN4 (DB4), 5 (DB5), 6 (DB6), 7 (DB7), 8 (RS), 9 (e), 10 (backlight control), the analog button port A0.
LCD Keypad Shield plugs on the Ard-uino controller, then you need to download the LCD4Bit_mod file to the Ard-uino folder, then compile a test program below and then download to the Arduino, LCD Keypad Shield for the first time, the first observation did LCD display characters, if there is no display contrast of characters that may be incorrect, You can use a screwdriver adjustment RP1 (clockwise), you can tune to clear character appears.
Package included:
- 1 x Expansion Board
- 1 x Manual
- Schematic diagram
- Case code