deletemeplease Posted September 3, 2003 Report Share Posted September 3, 2003 Hello me again ::)After getting my pots up and running i thought i'd move onto the buttons.I connected up 16 buttons, using a dinx4, with all resistors and ICs stuffed.I burned the test firmware, and started pressing the buttons one by one to check they are ok.The only problem is after about 7 seconds (or it could be when i push a specific button, or just random) button 14 starts toggling on and off randomly but really fast - so the lcd (i love my working backlit lcd ;D) always says something like 14 / 0 or 14 / 1 (the number 0,1, moves so fast you cant distinguish it).I actually pressed button 14 and i'm not sure if it stopped it (i'm at work and i'm trying to describe it from memory).I tryed to test using continuity on my multimeter, but i'm not sure how to test, due to the way the buttons are connected together.Does this seem like a broken / faulty button, or something more serious?I'll disconnect the button later and see what happens, but i just thought i'd post a message to see if anyone else had these problems.Cheers!Paul Quote Link to comment Share on other sites More sharing options...
deletemeplease Posted September 10, 2003 Author Report Share Posted September 10, 2003 (Reposted from monday)I've been trying to debug my dinx4, as i've been having problems with it.the LCD reads: Recieved a DIN event 14/x (where x = 0 and 1 switching at high speed randomly).Midi ox confirms this as - 000097F7 1 -- B0 0E 00 1 --- Control Change 00009807 1 -- B0 0E 7F 1 --- Control Change 0000980C 1 -- B0 0E 00 1 --- Control Change 0000981B 1 -- B0 0E 7F 1 --- Control Change 00009820 1 -- B0 0E 00 1 --- Control Change 0000982E 1 -- B0 0E 7F 1 --- Control Change 00009833 1 -- B0 0E 00 1 --- Control Change 00009842 1 -- B0 0E 7F 1 --- Control Change 00009847 1 -- B0 0E 00 1 --- Control Change 00009857 1 -- B0 0E 7F 1 --- Control Change 0000985C 1 -- B0 0E 00 1 --- Control Change 0000986A 1 -- B0 0E 7F 1 --- Control Change The problem only seems to stop if i connect pin 15 of the 2nd multiplexor to another pin (e.g. pin 16). This stops the control at Recieved a DIN event 14/1.Does this sound like a faulty resistor connected to pin 15? Or faulty multiplexor? If not any suggestions before i hard wire pins 15+16 together and lose a button :'(.Thanks for your time! Quote Link to comment Share on other sites More sharing options...
TK. Posted September 11, 2003 Report Share Posted September 11, 2003 It must be the resistor or the appr. junctionsBest Regards, Thorsten. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.