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—en:lx200obfuscator [2014/04/07 17:31] (current) – [MLAB modules interconnection] kaklik
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 +===== LX200obfuscator =====
 +With this device you can run a LX200 classic mount without a Meade keyboard.
 +Together this is an interface for connection LX200 to a computer through USB.
 +
 +{{:cs:designs:lx200obfuscator_big.jpg?600|LX200obfuscator}}
 +
 +==== MLAB modules interconnection ====
 +
 +Device uses three MLAB modules  [[en:pic18f4550v]], [[en:rs232single]], [[en:usb232r]]
 +=== Power 5V from USB ===
 +''USB232R01B/POWER OUT => RS232SINGLE01A/POWER => PIC18F4550v01A/POWER''
 +
 +=== USB/RS232 transtalor ===
 +''USB232R01B/RX <= RS232SINGLE01A/J3-RXD''
 +
 +''USB232R01B/TX => RS232SINGLE01A/J3-TXD''
 +
 +''RS232SINGLE01A/J6-GND => RJ14(6P4C)/2''
 +
 +''RS232SINGLE01A/J6-TXD => RJ14(6P4C)/5''
 +
 +''RS232SINGLE01A/J6-RXD => RJ14(6P4C)/4''
 +
 +=== Keyboard ===
 +
 +''PIC18F4550v01A/GND => RJ9(4P4C)/1''
 +
 +''PIC18F4550v01A/RE0 => RJ9(4P4C)/3''
 +
 +There is telephone cables [[http://en.wikipedia.org/wiki/Registered_jack|RJ connectors numbering]].
 +There is [[http://www.mlab.cz/WebSVN/filedetails.php?repname=MLAB&path=%2FDesigns%2FLX200obfuscator%2FSW%2FPIC18F4550%2Fmain.c|PIC obfuscator firmware]].
 +