Arduino 1602 LCD Shield

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