glossary:glossary_g
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glossary:glossary_g [2017/02/16 10:53] – [Ground] WortingUK | glossary:glossary_g [2018/12/16 11:29] – Mike Forrest | ||
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[[start|Return to main Glossary index]] | [[start|Return to main Glossary index]] | ||
+ | |||
+ | ===== Gerber ===== | ||
+ | |||
+ | A Gerber is a 2D binary vector image that describes every single layer of the PCB design. For instance, one Gerber describes the silk screen while the other describes the top, copper layer. | ||
===== GIT repository ===== | ===== GIT repository ===== | ||
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===== GPIO ===== | ===== GPIO ===== | ||
- | General-purpose input/ | + | General-purpose input/ |
GPIO pins (generally) have no predefined purpose, and go unused by default. Normally these are Tri-State pins. | GPIO pins (generally) have no predefined purpose, and go unused by default. Normally these are Tri-State pins. | ||
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Historically this was the Ground (aka Earth), and could also have been the return path for electric current. | Historically this was the Ground (aka Earth), and could also have been the return path for electric current. | ||
- | In modern ' | + | In modern ' |
- | Most modern low voltage and low power electronic circuits are NOT referenced to the Earth, but the name Ground (aka GND) or Earth persists as the reference point. More correctly | + | Most modern low voltage and low power electronic circuits are NOT referenced to the Earth, but that name or Ground (aka GND) persists as the reference point, but more correctly |
- | Above a certain threshold of Voltage or Power (or where a metal case/ | + | However, above a certain threshold of Voltage or Power or where a metal case/ |
glossary/glossary_g.txt · Last modified: 2022/03/24 20:13 by chrisridd