Shield-LCD
User’s Manual
INTRODUCTION
The LCD Keypad shield is developed for Arduino compatible boards, to provide a user-friendly interface that allows users to go through the menu, make selections etc. It consists of a 1602 white character blue backlight LCD. The keypad consists of 5 keys select, up, right, down and left. To save the digital IO pins, the keypad interface uses only one ADC channel. The key value is read through a 5 stage voltage divider.
Features:
- Operate at 5V
- Uses Arduino LCD4Bit library
- Plug and Use with Arduino main board, no solder or fly-wiring needed.
- 2×16 LCD, White character, Blue backlight
- 6 push buttons
BOARD LAYOUT
| Label | Function |
| A | LCD Contrast potentiometer |
| B | ICSP |
| C | LCD Display |
| D | Reset Button |
| E | Push button connect to Analog Input Pin o |
PIN ALLOCATION
| Pin | Function |
| Analog 0 | Button (select, up, right, down and left) |
| Digital 4 | DB4 |
| Digital 5 | DB5 |
| Digital 6 | DB6 |
| Digital 7 | DB7 |
| Digital 8 | RS (Data or Signal Display Selection) |
| Digital 9 | Enable |
| Digital 10 | Backlight Control |
Documents / Resources
 |
Probots 1602 LCD Keypad Shield Blue Backlight [pdf] User Manual 1602 LCD Keypad Shield Blue Backlight, 1602, LCD Keypad Shield Blue Backlight, Keypad Shield Blue Backlight, Shield Blue Backlight, Blue Backlight |