glossary:glossary_g
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glossary:glossary_g [2017/02/16 11:01] – [Ground] WortingUK | glossary:glossary_g [2021/08/08 04:48] – updated the wikipedia link Wayne | ||
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[[start|Return to main Glossary index]] | [[start|Return to main Glossary index]] | ||
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+ | ===== 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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GIT is one of a group of publicly accessible repositories for software, firmware, and documentation which implement ' | GIT is one of a group of publicly accessible repositories for software, firmware, and documentation which implement ' | ||
- | Wiki entry: [[https:// | + | Wiki entry: [[wp>Git_%28software%29|GIT Software]] |
SourceForge is another such web based versioning repository and should be familiar to MERG members as the home of JMRI: [[http:// | SourceForge is another such web based versioning repository and should be familiar to MERG members as the home of JMRI: [[http:// | ||
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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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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, but more correctly its name is ' | + | 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 its name is ' |
- | 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