MediaWiki API result

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    "warnings": {
        "main": {
            "*": "Subscribe to the mediawiki-api-announce mailing list at <https://lists.wikimedia.org/mailman/listinfo/mediawiki-api-announce> for notice of API deprecations and breaking changes."
        },
        "revisions": {
            "*": "Because \"rvslots\" was not specified, a legacy format has been used for the output. This format is deprecated, and in the future the new format will always be used."
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    "query": {
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            "1657": {
                "pageid": 1657,
                "ns": 0,
                "title": "Recording Audio with the wdka rental equipment",
                "revisions": [
                    {
                        "contentformat": "text/x-wiki",
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                        "*": "=Recording Audio with the Zoom H6 and H1n=\n[[File:Fxr001n 3.jpg | 300 px]][[File:Zoom h6 handy audio recorder 1371134847000 967366.jpg|550px]]\n\n==The Zoom H6==\n\n[[File:H6.png|700px]]\n\nA video explanation on using the H6\u00a0[https://www.youtube.com/watch?v=23Yw7ejDaMc here]\n\n===The XY mic===\n\n[[File:Illustration-xy.png|900px]]\n\nThe XYH-6 X/Y capsule comes standard with the H6.<br>\nThe capsule adds two matched high-quality unidirectional microphones to your H6. This kind of microphone is most sensitive to signal coming from directly in front, and less sensitive to signal coming from behind or from the sides; in technical terms, they are said to utilize a cardioid polar pattern.<br>\nPlaying back stereo X/Y tracks in mono results in a fuller sound than you would get with one microphone, but if mono compatibility is critical (for example, in television production), the Mid-Side (MS) mic technique can be a better choice.<br>\n<br>\n\n===The MS mic===\n\n[[File:Illustration-ms.png| 860 px]]\n\n\nAlthough the MSH-6 MS capsule appears to be just one microphone, it actually contains two mic elements, positioned directly on top of one another. One of the microphones inside the MSH-6 is unidirectional (that is, it is mostly sensitive to signal coming from directly in front, and less sensitive to signal coming from behind or from the sides) while the other is bi-directional (that is, it is mostly sensitive to signals coming from directly in front and directly behind, and less sensitive to signal coming from the sides).<br>\nThe basic concept behind MS recording is that the Mid microphone picks up signal coming from the center, while the Side microphone creates ambience and directionality by adding or subtracting information from either side.<br>\nThe Mid-Side technique works well whenever you need a variable amount of room sound. It can also be used for studio recording, and its convenience and flexibility make it a good option for rehearsal and live concert recording as well. Another benefit is that it provides total mono compatibility, making it an excellent choice for stereo recordings that may eventually be played back in mono, such as TV broadcasts.<br>\n\n=== 4 external inputs ===\n\n[[File:4inputs.png | 1000 px]]\n\n[[File:H6inputs.png | 990 px]]\n===extra stuff===\n\n====Pad switch====\nAllows you to prevent distortion even when high-level signals are introduced\n====Phantom power====\nPut simply, condenser microphones have active electronics that need an external power source, while dynamic mics are passive and therefore do not need phantom power\n====Use as Audio Interface====\n\n[[File:Zoom-H6-audio-interface-featured-image.png | 700 px]]\n\nThe H6\u2019s USB port enables it to serve as a stereo or multi-channel audio interface for your computer.\n\n[https://www.sweetwater.com/sweetcare/articles/using-the-zoom-h6-as-an-audio-interface/ Here is a guide how to set it up]\n\n\n==The zoom H1n==\n\n[[File:H1n.png | 600 ppx]]\n\nA video explanation on using the H1n\u00a0[https://www.youtube.com/watch?v=2trnJiUFMcs here]\n\n== Understanding Db\u00a0 (Db FS)==\n\n[[File:Dipslayzoomh6.jpg | 600 px]]\n\nWhen recording audio you want to be below 0 Db as 0 Db\u00a0(in this case) is a maximum digital level, above which you get digital clipping.<br>\n<br>\nIt\u2019s not a unit of anything. \u00a0It\u2019s a RATIO. \u00a0It compares the value of one number to the value of another.<br>\ndB is not an absolute. It is a reference to a pre-specified value. Sometimes the maximum reference is 0, sometimes the minimum is 0. Sort of confusing, but there are a couple different references, and it really depends on the context.<br>\n<br>\nAgain...<br>\nWhen talking about audio in the digital realm, dB FS (Full Scale) is used, but instead of the reference being the quietest possible limit, it's the loudest (imposed as a standard) and thus negative values are used to count back from the top. Any signal that passes above 0dB FS gets chopped off, which is digital clipping, and in most cases sounds horrible.<br>\n<br>\n\n=Hz=\n\n[[File:Voice-energy.gif | 700 px]]\n*a typical adult male will have a fundamental\u00a0frequency\u00a0from 85 to 180\u00a0Hz, and that of a typical adult female from 165 to 255\u00a0Hz\n\n[[Category:Sound]]"
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            },
            "730": {
                "pageid": 730,
                "ns": 0,
                "title": "Relay",
                "revisions": [
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                        "contentformat": "text/x-wiki",
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                        "*": "=Relay=\n\n''Introducing the Relay Module''\n\n[[File:Relay02.jpg| 600 px]]\n\nA relay is an electrically operated switch of mains voltage. It means that it can be turned on or off, letting the current go through or not.\n\nControlling a relay with the Arduino is as simple as controlling an output such as an LED.\n\n'''Notice the writing on the module terminals'''<br>\n\n'''COM''': common pin<br>\n'''NO''' (Normally Open): there is no contact between the common pin and the normally open pin. So, when you trigger the relay, it connects to the COM pin and supply is provided to a load<br>\n'''NC''' (Normally Closed): there is contact between the common pin and the normally closed pin. There is always connection between the COM and NC pins, even when the relay is turned off. When you trigger the relay, the circuit is opened and there is no supply provided to a load.<br>\nIf you want to control a lamp for example, it is better to use a normally-open circuit, because we just want to light up the lamp occasionally.\n\n\n==Wiring==\n[[File:1channel-relay-fritzing-1.jpg]]\n\nit is very straightforward as you can see. But always double check the relay module connections before you plug things together. <br>\n\n'''GND''': goes to ground<br>\n'''VCC''': goes to 5V <br>\n'''IN1''': controls the relay (it is connected to an Arduino digital pin)<br>\n\n'''OK, but maybe you wan to control more than one thing??'''\n\n<br> then no porblem<br>\n[[File:6-Channel-12V-Relay-Module.jpg]]\nhere are 16 channels:)\nWiring is the same, you will just need 16 digital pins on the Arduino\n\n\n[[Category:Electronics]]"
                    }
                ]
            }
        }
    }
}