BreatheWise Series 4 electronics – HW0x400
Module includes micro controller PIC18F4620, 128x64 graphics LCD display, and 32kB of flash memory (24lc256),
Pietzo element for sound notifications.
User interface has be implemented by 2 dual action switches.
Ø Main components of display unit
Display controller main function is to be monitor that watches operational status of main controller. Display controller also performs full tri-mix dive computer operation. See software pages for more information.
Ø (display unit under test )
More details: BreatheWise Display Electronics
Inside scrubber head lays Main computer. Main computer is also connection point for all sensors and 2 solenoids. Main computers main task is to perform oxygen control. Main electronics can continue its operations even if cable between scrubber and display is cut.
Ø Location of Main controller unit
Ø Main components of main controller unit
More details: BreatheWise Scrubber Electronics
More details: BreatheWise PCinterface Electronics
Schematics And CAD files
Schematics and PCB layouts Can be found here
You need EAGLE Layout Editor (http://www.cadsoft.de/) to open these files.