problem on the voodoo project

[nandimonay3]

hello
i hope you will be fine
i have a problem on all my devices
the resistor R66 33Ω heats up and damaged
i changed both transistor 3904 and ne555
same problem

[Qiaozhi]

hello
i hope you will be fine
i have a problem on all my devices
the resistor R66 33Ω heats up and damaged
i changed both transistor 3904 and ne555
same problem

In the Errata section here -> https://www.geotech1.com/forums/show...d-October-2020
Point number 5 says: Page 88, Component Parts List (Miscellaneous) - speaker / headphones should be high-impedance.

No doubt this is the problem.

[MartinB]

hello
i hope you will be fine
i have a problem on all my devices
the resistor R66 33Ω heats up and damaged
i changed both transistor 3904 and ne555
same problem

If you have a few hours, read through the Voodoo project posts. You will see that other people have experienced a similar problem and have offered suitable solutions.

[andon80]

Q12 2n3904 yerine 2N3906 kullanın ve verici ayağını hoparl?r y?n?ne bağlayın

[surfdetector]

[ATTACH]57808[/ATTACH] Q12 2n3904 yerine 2N3906 kullanın ve verici ayağını hoparl?r y?n?ne bağlayın

Google translation:
use 2N3906 instead and connect the transmitter stand to the speaker side.