The LCD 1602A screen is a 16x2 character display unit, suitable for microcontroller projects such as Arduino, ESP32, and Raspberry Pi. It features an HD44780 controller and can be connected either via a parallel interface or through an I2C module.

Complete Technical Description of LCD 1602A

• Display Type: 16x2 character LCD
• Number of Characters: 16 characters per line × 2 lines
• Controller: HD44780 or compatible
• Operating Voltage: 5V DC
• Current Consumption: ~1mA without backlight, up to 20mA with backlight
• Backlight: LED (blue)
• Interface: Parallel (4-bit or 8-bit) or I2C via PCF8574
• DDRAM Memory: 80 characters
• CGRAM Memory: 8 programmable characters
• PCB Dimensions: approximately 80mm × 36mm
• Screen Size: approximately 64.5mm × 16mm
• Operating Temperature: -20°C to +70°C
• Viewing Angle: ~45° to 60°
• Weight: ~35g

Connection to Arduino via I2C includes the following pins:

• GND: GND
• VCC: 5V
• SDA: A4
• SCL: A5

The LCD 1602A is reliable and easy to integrate, suitable for DIY projects, smart devices, clocks, thermometers, meters, and industrial control systems.