Designed an EOT circuit to transmit commands from the Bridge to the Engine Room using AVR microcontroller and RS485 communication:
Figure 1, 2: Engine Order Telegraph (EOT)
Developed a system consisting of one transmitter, multiple intermediate repeaters, and a final receiver to display system status; used HC12 modules to overcome range limitations:
Figure 1: Wireless Repeater Communication System
Redesigned the PCB layout of the original J-Link V9:
Figure 1, 2: JLINK V9