NoticeDifference between revisions of "Arduino 1602 LCD Shield"
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Revision as of 06:55, 23 May 2014
Contents
Overview
This Arduino 1602 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 LCD1602 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.
Specifications
| PCB size | 82.8mm X 56.6mm X 1.6mm |
| Power supply | 5V DC |
| RoSH | Yes |
Electrical Characteristics
| Parameter | Min. | Typical | Max. | Unit |
| Power voltage | 4.5 | 5 | 5.5 | VDC |
| Input voltage VH (Target Voltage = 3.3V) | 3 | 3.3 | 3.6 | V |
| Input voltage VH (Target Voltage = 5V) | 4.5 | 5 | 5.5 | |
| Input voltage VL | -0.3 | 0 | 0.5 | V |
| Current Consumption | 20 | 40 | mA |
