MLAB wiki

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.

Device uses three MLAB modules pic18f4550v, rs232single, usb232r

USB232R01B/POWER OUT ⇒ RS232SINGLE01A/POWER ⇒ PIC18F4550v01A/POWER

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

PIC18F4550v01A/GND ⇒ RJ9(4P4C)/1

PIC18F4550v01A/RE0 ⇒ RJ9(4P4C)/3

There is telephone cables RJ connectors numbering. There is PIC obfuscator firmware.