General purpose USB 7 segment LED display, 4 digits, 0.8 inch height, Red

SKU:: 350
Manufacturer:: Tokyo Devices
Model Number:: TDFA1104
EAN:: 4560457401318
Released on:: Mar 2025
Category:: LED Controllers

The TDFA1104 is a USB-connected, general-purpose 7-segment LED display. It can display arbitrary characters and numbers from Windows or Linux systems, making it ideal as a highly visible display for embedded applications.

Operates via USB (bus-powered). It is also compatible with board PCs such as Raspberry Pi and Armadillo.
A single PC can control multiple devices. With a USB hub, you can connect dozens of units.
Simple control commands compatible with Windows and Linux are provided, making integration into applications easy.
Ideal for industrial, research, and security applications.
Optional mounting kit (TDAC-DMK) enables DIN rail installation.
Optional front panel (TDAC-P10039) enhances visibility.
Designed and developed in Japan. Support available for mass production, customization, and technical inquiries.

How to Use the Control Command

Use Tokyo Devices’ standard control tool TD-USB.

(Set display content to "110.4")
> td-usb tdfa1104 110.4

(Set display content to "-12C")
> td-usb tdfa1104 -12C

(Clear the display)
> td-usb tdfa1104 ""

Characters that can be displayed:

.-_~ACEFGHIJLPUYbcdhnortu0123456789

To integrate with user applications, call TD-USB as an external command from your program.
It can be used from Python, shell scripts, C#, LabVIEW, and more.
For details, refer to the integration examples in the TD-USB documentation.

Included Items

Display unit
USB cable

Specifications

Item	Value
Display Element	LED (Red)
Character Height	0.8 inch
Number of Digits	4 digits (+ decimal points)
Communication Standard	USB 2.0 Full Speed
Current Consumption	300 mA max.
Dimensions	100 x 50 x 20 mm (excluding cable)
Power Supply	USB bus-powered
Supported OS	Windows, Linux
Included USB Cable	1.5 m