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Hi!
I like to connect a touch button IC to my midi controller HALE UMC32.
The midi controller does not accept external current and have digital input.
The touch button signal is 5V.
what kind of transistor would I look for?
thanks in advance!
Linus
Re: amplifier problem
Hi!
Thanks everybody for the response! very effective forum this.
I finaly solved the problem. replaced the burnt IC and connected it with 2 12V batteries as you described in this thread.
Im very happy with my portable amplifier. its built around 2 4" hi-fi car...
amplifier problem
Hi!
yes I just tried that after similar tips from others. the result: my IC exploded! why?
I used 2 21,6v batteries instead of 3 12v but as someone pointed out the IC could run on as low as 10v. it should also have shortcircut-protection.
I know it was stupid to try it...
tda ic amplifier
Hi erikl!
thanks for your response!
yes IC1 pin4 is connected to ground and also r2 and c2
I didnt mean the pin on the IC but the power pins on the PCB! sorry about the confusion.
so gnd on IC is connected to gnd on PCB but then I dont understand how I should connect...
tda7294 amplifier 12v
Hi!
guess this is the right forum for my question.
got a problem with a amplifier I built.
the amplifier is the kit from kitsrus nr 106 :https://kitsrus.com/pdf/k106.pdf consisting mainly of the IC: tda 7294
I get sound out of the circuit. BUT after a short while the...
ic 7294
Hi!
got a problem with a amplifier I built.
the amplifier is the kit from kitsrus nr 106 :https://kitsrus.com/pdf/k106.pdf consisting mainly of the IC: tda 7294
I get sound out of the circuit. BUT after a short while the sound deteriorate and gets very poor and distorted. if I...
mp3 circuit
Hi!
this swedish page have it: https://www.electrokit.se/index.php
it is a:
MP3-dekoder modul SD (VS1002)
Art Nr 41002948
Description: A ready to go VS1002 MP3 decoder board. Includes SD socket, battery holder, voltage regulation, and audio jacks. Add your choice of...
tda7294
Hi!
got a problem with a amplifier I built.
the amplifier is the kit from kitsrus nr 106 :https://kitsrus.com/pdf/k106.pdf consisting mainly of the IC: tda 7294
I get sound out of the circuit. BUT after a short while the sound deteriorate and gets very poor and distorted. if I...
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