/members-area/personalblogs/b/nexgen-flight-simuator/posts/nexgen-fuel-load-indicator-wiring-planAnalysis: The first hurdle is that an Arduino has only GPIO pins but you can not get to a bus from here, without a lot of bit-banging by the CPU.Second, the Displays are smart devices and designed to have both Address and Data Buses.The only thing isen-USTelligent Community 12https://community.element14.com/members-area/personalblogs/b/nexgen-flight-simuator/posts/nexgen-fuel-load-indicator-wiring-planFri, 25 Sep 2020 18:15:28 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:52130688-de37-4016-94ce-2d36165300c4DAB1<p>Are you sure that the Arduino can power the display?</p><p>&nbsp;</p><p>I would consider triggering a transistor or a driver IC.</p><p>&nbsp;</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=9923&AppID=300&AppType=Weblog&ContentType=0" width="1" height="1">