This small device that indicates an input byte in hexadecimal on two 7 segments led displays. It can be inserted into a breadboard or a connector. It displays in hexadecimal the byte placed on its 8 binary inputs.
It is powered in 5 volts and consumes only 10 to 15 milliamperes because thanks to multiplexing, at most only one of the 14 segments is switched on at a time.
It can replace 2 TIL three 11 vintage displays.
Presentation here : https://youtu.be/CX8WytHxLrw
Beware, this is a prototype, tested in DIY environment, with no guarantee of compliance with safety standards and electromagnetic compatibility.
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