[{"data":1,"prerenderedAt":99},["ShallowReactive",2],{"article-737max-overhead-panel":3},{"id":4,"title":5,"body":6,"description":88,"downloads":89,"extension":90,"lastUpdated":91,"meta":92,"navigation":93,"path":94,"readingTime":95,"seo":96,"stem":97,"__hash__":98},"projectArticles\u002Fprojects\u002F737max\u002Foverhead-panel.md","Overhead Panel",{"type":7,"value":8,"toc":80},"minimark",[9,14,18,22,25,29,32,38,54,59,70,74,77],[10,11,13],"h2",{"id":12},"overview","Overview",[15,16,17],"p",{},"The overhead panel (OHP) houses the aircraft systems switches — electrical bus management, hydraulics, pressurisation, fuel, anti-ice, and cabin lighting. It's the most switch-dense part of the build.",[10,19,21],{"id":20},"status","Status",[15,23,24],{},"Wiring phase — all panels are cut and mounted, currently running harnesses.",[10,26,28],{"id":27},"sections","Sections",[15,30,31],{},"The OHP is split into forward and aft sections:",[15,33,34],{},[35,36,37],"strong",{},"Forward OHP",[39,40,41,45,48,51],"ul",{},[42,43,44],"li",{},"Electrical & DC",[42,46,47],{},"Hydraulics",[42,49,50],{},"Fuel",[42,52,53],{},"Anti-Ice \u002F Window Heat",[15,55,56],{},[35,57,58],{},"Aft OHP",[39,60,61,64,67],{},[42,62,63],{},"Cabin pressurisation",[42,65,66],{},"Lighting (interior + dome)",[42,68,69],{},"Emergency equipment",[10,71,73],{"id":72},"construction","Construction",[15,75,76],{},"Each panel row is laser cut from 3mm black acrylic. Legends are engraved and backlit with 3mm warm white LEDs behind a white diffuser layer.",[15,78,79],{},"A dedicated Arduino Mega handles each major section to keep wiring runs short.",{"title":81,"searchDepth":82,"depth":82,"links":83},"",2,[84,85,86,87],{"id":12,"depth":82,"text":13},{"id":20,"depth":82,"text":21},{"id":27,"depth":82,"text":28},{"id":72,"depth":82,"text":73},"Build log for the 737 MAX overhead panel: electrical, hydraulics, pressurisation, and lighting systems.",null,"md","2026-03",{},true,"\u002Fprojects\u002F737max\u002Foverhead-panel",10,{"title":5,"description":88},"projects\u002F737max\u002Foverhead-panel","pvnGZJ7s7ODlnJuVQcsg7LkYImmyBtw7pVT6TOf5J8k",1781294860849]