The 20x4 2004 Character LCD Display Module with model TM204D1-B is a 20-character by 4-line STN negative transmissive LCD module with a blue appearance and white LED backlight. BDTronics provides this character LCD display module for electronics, robotics, prototyping, industrial control, and embedded display applications in Bangladesh.

Features:

• 20 characters x 4 lines character LCD module, commonly listed as 20x4, 20*4, or 2004 LCD.
• STN negative transmissive display mode with blue appearance.
• White LED backlight for display visibility.
• 8-bit parallel interface with 16-pin connection.
• SPLC780 / AIP31066 controller IC.
• 6 o'clock viewing angle.
• Wide operating and storage temperature ranges.
• Suitable for small-sized LCM and monitor LCM usage.

Specifications:

Specification	Details
Model	TM204D1-B
Product Type	Character LCD Display Module
Resolution	20 x 4 characters (2004 LCD)
Display Mode	STN / Negative / Transmissive / Blue
Backlight Type	LED White
Viewing Angle	6 o'clock
Interface	8-bit parallel
Controller IC	SPLC780 / AIP31066
Number of Pins	16 Pin
Outline Dimensions	77.0 x 47.0 x 12.45 mm
Visual Area	60.0 x 22.0 mm
Active Area	55.1 x 17.56 mm
Operating Temperature	-20°C to +70°C
Storage Temperature	-30°C to +80°C
Usage	Small-sized LCM, Monitor LCM
Type	Character
Package Gross Weight	0.050 kg
Package Size	7.70 x 4.70 x 1.24 cm
Transport Package	Carton

Applications:

• Electronic equipment
• Medical equipment
• Industrial equipment
• Smart home devices
• Small-sized LCM and monitor LCM applications

How to Use:

1. Use the module with a compatible 8-bit parallel character LCD interface and a controller setup matching the SPLC780 / AIP31066 controller.
2. Confirm the 16-pin connection, logic levels, and backlight requirements from the module documentation before applying power.
3. Mount the module in an enclosure or panel opening that fits the 77.0 x 47.0 x 12.45 mm outline and allows access to the viewing area.

Installation and Wiring:

The module uses a 16-pin 8-bit parallel interface. Before wiring, confirm the pin definitions and electrical requirements from the documentation for the TM204D1-B. Use a stable power source and avoid reverse polarity or incorrect backlight connections. BDTronics lists this display module for compatible character LCD projects and electronic or industrial equipment requiring a 20x4 character display.

Compatibility:

• Systems designed for a 20x4 character LCD with an 8-bit parallel interface.
• Projects using SPLC780 / AIP31066 controller IC character LCD modules.
• Small-sized LCM and monitor LCM applications.

Safety Information:

• Confirm wiring and power requirements before connecting the module.
• Do not reverse power or backlight connections.
• Handle the LCD module carefully to avoid damage to the display and pins.
• Observe the specified operating and storage temperature ranges.

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