A little description of this part of my system:
Top row:
Most left is a dual quad mult, nothing special about it.
Then in the middle, a new project for me which I'm working on at the moment, a drum sequencer, powered by a Blue Pill STM32F103C8T6, 8 channels out of which 4 have a 16 bits DAC as output, so they can be used as a trigger or as a control voltage for filter or whatnot.
I also plan to implement midi out especialy for the percussion midi channel 10.
Sadly enough I forgot to add inputs, so there will be a secondary panel with the inputs en the midi output.
At the moment I have a demo screen running and also the rhythms of the Minipops 7 designed by Jan Ostmans.
First module: Tap Tempi. It has an input to set (or follow) the tempo or you can use the button to tap twice for a tempo.
It has 5 outputs, and whats different from other tap tempo modules is that it multiplies the given tempo, so there is a 1x, 2x, 3x and a 4x output and one output where you can choose between the other 4 tempi. (nice for bass drum intervals).
Second module: The Electro Music Karplus Strong module, there is plenty of info here on the forum.
Third module: A transistor ladder filter with a twist of my own. Read about it HERE
Fourth module: Another Dual Quad Multiple.
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_________________ my synth Last edited by Grumble on Sun Apr 05, 2020 1:14 am; edited 1 time in total
Second Row, Fifth module: 2UG
A Dual Ultra Sound Controlvoltage Generator.
The Gates are high if an obstacle is placed (like a hand) within a certain distance from the ultrasound transmitter/reveivers and a voltage proportional with the distance is at the outputs. I have added a slew limiter to make smooth CV's.
Below are the two ultrasound transmitter/receivers in a 3D printed housing.
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Second row, sixth module is my iDRUM, a bassdrum of which you can set the waveform to sine, triangle or square, the click is set by a potmeter.
Basically the click is an effect of the start phase of the sine or triangle wave. You can imagine that the click will be more pronounced if the sine-wave starts at 90 degrees.
Also CV-able is the frequency, length and the modulation of the frequency.
The modulation of the frequency is a great effect to make the drum more punchy and if the frequency is set to a higher level you get more spacey sounds.
Seventh module is my CHUCKER, you can connect a nunchuck (from the Nintendo Wii) and it translates two gyroscope signals, three accelerometer signals and two buttons to CV's.
This module is under construction, since I'm waiting for (lots of) potentiometers from China...
Eighth module is the iSID, an Arduino controlled SID MOS Technology 6581
This is a module I designed for making drones (but not very succesfull yet) but I have plenty ideas for other purposes, like drums...
Ninth module is a digital attempt to make something like the Appendage.
Heavy under construction, needs a lot of wiring...
I called it the uPendage
Tenth module is a CV-able echo/reverb module free after Juanito Moore (HERE)
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_________________ my synth Last edited by Grumble on Sun Apr 05, 2020 1:21 am; edited 2 times in total
Third module a Dual ADSR a diy module I bought and built.
Fourth module is a LFO/VCO around the AS3340 based on the Moog Memorymoog schematics as on the website from ElectricDruid
Fifth module is a dual version of the AS3340 oscilator except for the LFO switch and here the synchronisation (hard and soft) are added.
Fifth module is a mixer/VCA around the quad VCA AS2164
Sixth module is a second transistor ladder filter, to which I added a quad input mixer.
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Thank you!
Problem is, I bought a Behringer usb soundthingy but the camera of the smartphone still uses the built in microphone _________________ my synth
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