Introduction:
It's amazing what has happened in electronics in recent years. Synthesizers that used to be as big as a
cabinet have now shrunk to the size of a Eurocard and are even suitable for DIY.
I ask all interested DIY'ers to read this manual at least once BEFORE you build Jeannie.
Although it is relatively easy to build Jeannie, you should have some experience in soldering.
You should also be familiar with the component/part labels.
You have not only bought a DIY kit but also the experience of building your own synthesizer.
In this sense, have fun while building and even more fun while playing the instrument.
***Depending on the supplier, the components may look different or have a different colour. The important
thing is the value and the pitch !
TubeOhm 28.08.21
1:) first works (IMPORTANT)
First of all, we should switch the Teensy 4.1 to external power supply so that it is not
forgotten.
**** The Teensy is supplied with 5 V from the Jeannie. When programming a new firmware
via USB, the Teensy also gets 5 V from the PC. Since there can be voltage differences
between the PC and the Jeannie, a line on the Teensy MUST be disconnected.
Bild 1
You can see the underside of the Teensy
4.1 here.
Both PADS are connected by a very narrow
cable.
This wire is cut with a cutter
cutter knife or a razor blade or even a sharp
knife.
Now the 5V USB power supply is
interrupted. Only the USB data lines are still
active.
**The Teensys supplied by TubeOhm are
already switched to external and have the
latest firmware.
4
Summary of Contents for Jeannie
Page 7: ...Here is the front side of the board again Figure 5 Figure 6 7 ...
Page 8: ...And here is the back Figure 7 Figure 8 8 ...
Page 30: ...Here is the position of the AD converter Here is the position of the AD converter 30 ...
Page 31: ...This picture shows how the pin header of the DAC is soldered to the board 31 ...
