DJDropzDead Posted July 31, 2018 Share Posted July 31, 2018 (edited) Sry for digging this old thread up, but i need to know what input-volt range the board has. 9v only? or can i go down to 3.7v/5vUSB? 12v possible? Edited July 31, 2018 by DJDropzDead Quote Link to comment Share on other sites More sharing options...
Guest rasteri Posted July 31, 2018 Share Posted July 31, 2018 The CMOS logic gates should be good up to about 18v, but the TL074 will get pretty marginal below about 7v (in retrospect it was a terrible choice of opamp). If you replace it with a rail-to-rail op amp it could easily go down to less than 5v. Quote Link to comment Share on other sites More sharing options...
DJDropzDead Posted August 1, 2018 Share Posted August 1, 2018 (edited) The CMOS logic gates should be good up to about 18v, but the TL074 will get pretty marginal below about 7v (in retrospect it was a terrible choice of opamp). If you replace it with a rail-to-rail op amp it could easily go down to less than 5v.Thx! i tried it with 5v and it seemed to work too. Keep it at 9v/12v for now. BUT my sound is distorted like too many db's. What could this be? Edited August 1, 2018 by DJDropzDead Quote Link to comment Share on other sites More sharing options...
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