TTL IC 7402
The 7402 IC comprises 4 NOR gates, each with two inputs. It is as versatile as its cousin, the 7400.
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TTL IC 7400
The 7400 IC contains 4 NAND gates, each with two inputs.
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Logic Analyser (Clone)
A logic analyser can observe multiple digital outputs, in the current case exactly 8, and display them graphically on a computer using software. Logic analysers from well-known companies are usually quite expensive, however, for some time now, there have also been inexpensive providers with clones on the market. I got hold of such a clone to carry out a few tests with it.
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Logic Level Converter
Bei Microcontrollern gibt es unterschiedliche Logiklevel. Der Logiklevel sagt aus mit welcher Spannung das Gerät arbeitet. Die bekanntesten sind wohl 5V und 3.3V. Da man in der Praxis immer mal wieder vor dem Problem steht ein 5V Gerät in Verbindung mit einem 3.3V Gerät zu betreiben, möchte ich an dieser Stelle mal den Logik-Level Konverter …
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