The LCD1604 16x4 Character LCD Display Module is a 5V character LCD designed to display letters, numbers, and symbols across 4 rows of 16 characters. BDTronics provides this display module for Arduino, embedded systems, prototyping, and electronics projects in Bangladesh.

Features:

• 16 character x 4 row character LCD module (LCD1604 / 1604)
• 5V LCD module with blue screen/backlight version as indicated in the product title
• SPLC780C controller compatible with the industry-standard HD44780 controller
• 6800 4-bit or 8-bit parallel interface
• Backlight brightness can be adjusted with a resistor or PWM
• Optional pin header connection and optional I2C adapter board support
• RoHS compliant and built-in character set supports English/Japanese text per source

Specifications:

Specification	Details
Display Type	Character LCD module
Model	LCD1604 / 1604
Characters	16 characters x 4 rows
Controller	SPLC780C, HD44780-compatible
Interface	6800 4-bit or 8-bit parallel; optional I2C adapter board
Operating Voltage	5V; source also notes optional 3.3V or 5V supply variants
Backlight	Included LED backlight, dimmable via resistor or PWM
Display Color Variant	Blue screen version per listing title; source description also references STN blue LCD negative with white text
Character Set	Built-in English/Japanese support per source
Compliance	RoHS compliant
Connection	Optional pin header connection
Weight	0.5 kg

Applications:

• Arduino and microcontroller projects requiring multi-line text display
• Embedded systems and prototyping
• Industrial device interfaces
• Security equipment displays
• Medical and hand-held equipment displays, as listed by source
• Projects that need to display letters, numbers, symbols, and control commands

How to Use:

1. Confirm the 5V supply and select either 4-bit or 8-bit parallel connection based on your controller setup.
2. If using an optional I2C adapter board, connect the adapter according to its Arduino-compatible interface.
3. Send display commands and character data from the microcontroller. The module supports commands such as clear display, cursor return, display on/off, cursor on/off, character flash, cursor shift, and display shift.
4. Adjust backlight brightness using a resistor or PWM if needed.

Installation and Wiring:

The LCD1604 supports a 6800 4-bit or 8-bit parallel interface and optional pin header connection. An optional I2C adapter board can be used for Arduino projects where supported. Verify the power supply and wiring before applying power, and follow the module pinout provided with your controller or adapter. For users in Bangladesh, BDTronics supplies this 16x4 character LCD module for compatible prototyping and embedded display builds.

Compatibility:

• Arduino and microcontroller projects using HD44780-compatible character LCDs
• SPLC780C controller-based LCD interfaces
• 4-bit or 8-bit parallel connections
• Optional I2C adapter boards for Arduino setups

Important Notes:

• Source information includes a blue screen/backlight version, while the detailed listing also references different backlight/text-color descriptions. Verify the exact color variant before ordering if color is critical.
• The listing mentions optional 3.3V or 5V supply variants; this product title specifies 5V.
• Pin header and I2C adapter may be optional and are not confirmed as included in the package.

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