stuee Posted October 6, 2004 Report Share Posted October 6, 2004 Can anyone help with theseCar Inverter;im after making a car inverter for 240v for using my projector when out in the bush somewhere. Any help / schematics are great thanks12v to 19v I want to use my laptop in the car so i can plug it into the cig lighter socket, any ideas?555 timer;Im trying to make a timer circuit that makes the purge blocks on a printer push air to the print heads every 10 mins. say 10 min wait, 2 sec purge, but only when the head carrage is in park possition not while printing. Thanks in advance.. ::) Quote Link to comment Share on other sites More sharing options...
ante Posted October 6, 2004 Report Share Posted October 6, 2004 stuee,Here is a solution for the 12 to 19Volt issue. If you have problems reading any part of it, please let me know and I will help. [attachment deleted by admin] Quote Link to comment Share on other sites More sharing options...
stuee Posted October 10, 2004 Author Report Share Posted October 10, 2004 Any other ideas.Tanks Ante too Quote Link to comment Share on other sites More sharing options...
ante Posted October 10, 2004 Report Share Posted October 10, 2004 Stuee,What kind of power requirement does the projector have? And what kind of power supply input does it have (transformer of switch mode)? Do you need a timer for cooling the print head? Why no just put a micro switch (a small one like in VCR: s) at the park position and let a small fan blow while in park position? Quote Link to comment Share on other sites More sharing options...
stuee Posted October 11, 2004 Author Report Share Posted October 11, 2004 Unsure about the projector, i just know its 240v au. its my friends.As for the timer, the printheads are xaar heads and need to either be sprayed with solvent every 10 mins or so or purged to push ink through them to stop them drying out, the heads are like $600 each and each printer has 24 in them. Quote Link to comment Share on other sites More sharing options...
ante Posted October 12, 2004 Report Share Posted October 12, 2004 stuee,The kind of input on the projectors power supply determine what kind of inverter you could use so Quote Link to comment Share on other sites More sharing options...
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