LED Controllers

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Tokyo Devices / TDFA1104

General Purpose USB 7 Segment LED Display, 4 Digits, 0.8 Inch Height, Red

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.
Tokyo Devices / IWT120-USB

General Purpose, USB, Alarm Lamp and Alarm Buzzer, 83dB, Bus-Power

USB alert device with red rotating LED and loud buzzer. Ideal for servers, factories, and notification systems.