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{{{#!wiki tip
If the input voltage is 15V or more, a 12V Traco / Recom (IC2) should be soldered.<
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If the input voltage is lower then 15V (e.g. you use a 2S/3S Lipo), you can also solder a solder bridge over the outer pads instead of a 12V Traco / Recom.<
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ATTENTION: with a solder bridge the Lipo voltage will be applied to the pads "12V" / "S1" / "S2" !
[[ http://gallery3.mikrokopter.de/var/albums/intern/MK-Baugruppen/ExtensionPCB/ExPCB-Bruecke-IC2.jpg?m=1530079459 | {{ http://gallery3.mikrokopter.de/var/thumbs/intern/MK-Baugruppen/ExtensionPCB/ExPCB-Bruecke-IC2.jpg?m=1530079459 }}|target="_blank" ]]
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= Test =
After mounting the board, you can easily check the function. <
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If you close the contact "J6" or "J7" with GND, the respective output is switched through and the associated LED lights up.
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In the default setting there is no voltage at the outputs "S1" and S2 "and the switching output" C + / C- "has no continuity.
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If contact '''"J7"''' is connected to ground, "LED1" lights up and 12V is connected to "S1".<
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In addition, the switching contact "C + / C-" is bridged via the optocoupler ~-(observe polarity during measurement / connection)-~.
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And if the contact "SJ1" is bridged on the back side, 5V is at the pads "C - / -" ~-(only if you have connect the 5V input)-~.
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[[ http://gallery3.mikrokopter.de/var/albums/intern/MK-Baugruppen/ExtensionPCB/ExPCB-Test-S2.jpg?m=1530007620 | {{ http://gallery3.mikrokopter.de/var/thumbs/intern/MK-Baugruppen/ExtensionPCB/ExPCB-Test-S2.jpg?m=1530007621 }}|target="_blank" ]]
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If contact '''"J6"''' is connected to ground, "LED2" lights up and 12V is connected to "S2".<
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[[ http://gallery3.mikrokopter.de/var/albums/intern/MK-Baugruppen/ExtensionPCB/ExPCB-AnschlussFC_V3.jpg?m=1530007589 | {{ http://gallery3.mikrokopter.de/var/thumbs/intern/MK-Baugruppen/ExtensionPCB/ExPCB-AnschlussFC_V3.jpg?m=1530007589 }}|target="_blank" ]]
[[ http://gallery3.mikrokopter.de/var/albums/intern/MK-Baugruppen/ExtensionPCB/ExPCB-AnschlussFC_V2_x.jpg?m=1536130197 | {{ http://gallery3.mikrokopter.de/var/thumbs/intern/MK-Baugruppen/ExtensionPCB/ExPCB-AnschlussFC_V2_x.jpg?m=1536130198 }}|target="_blank" ]]
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= Connection FlightCtrl =
The inputs "J6", "J7" and "5V" are connected to the switch output "Out1", "Out2" and "+5V" <
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of your !FlightCtrl. At the pads "+" and "-" the Lipo voltage is applied.
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= Connection examples =
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[[ http://gallery3.mikrokopter.de/var/albums/intern/MK-Baugruppen/ExtensionPCB/ExPCB-PowerOut.jpg?m=1530007909 | {{ http://gallery3.mikrokopter.de/var/thumbs/intern/MK-Baugruppen/ExtensionPCB/ExPCB-PowerOut.jpg?m=1530007910 }}|target="_blank" ]]
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'''__Voltage tap__'''
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For the connection of external consumers (e.g. a video transmitter) 9V (0.5A) and 12V (1A) are available.
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If a bridge was soldered in place of the 12V Traco (IC2), the full lipo voltage is applied to the pad "12V", "S1" and "S2" !!!<
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The switching outputs "S1" and "S2" are then with max. 55A loadable.
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'''__Connection lighting__'''
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LEDs can be connected to the switching outputs S1 and S2 and switched independently of each other. <
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Please note that the connected LEDs together do not need more then the max. 12V / 1A.<
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~-(Exception if a bridge is used instead of IC2)-~
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'''__Connection lighting + Shutter__'''
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In addition to lighting, a trigger for a camera can also be connected. <
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The lighting is then connected to the switching output "S2". The pads "C + / C-" can then be used to connect a trigger for the used camera.<
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~-(To protect the camera, the switching output "C + / C-" is connected via an optocoupler. When the contact is closed, a resistance of approx. 100 ohms is applied. When connecting the trigger, pay attention to the correct polarity. GND is on "C-", Focus and Trigger on "C +")-~
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'''__Connection lighting + Canon-Ixus with CHDK-Script__'''
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If you use e.g. a Canon camera with ''CHDK-script'' you can also trigger this camera via e.g. a USB plug (if supported by CHDK for the used camera).<
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To do this, the solder bridge "SJ1" on the back must be closed. The USB plug is then connected to the pads "C-" (+5V) and "-" (GND).
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