Published on Aug 22, 2018 Rhythms of buttocks
Both have been featured before (BassMaster 69, RhythmMaster 85)
BassMaster 85, 69, 61, 74: http://electro-music.com/forum/viewto...
RhythmMaster 85, 85S: http://electro-music.com/forum/viewto...
Don't forget to check my Instagram: @youcantignoremytechno
"My project based on Digispark - ATTiny 85 16MHz arduino programmable.
The main idea is that it's possible to use two PWM outputs for DDS. One of them will be the main wave generator, other will be the envelope shaper.
But I could't find any simple, but good VCA, utill i saw elektrouwe 7052A circuit in this topic: http://electro-music.com/forum/post-405863.html#405863
In MIDI interface you can use channels to tell ATTiny 85 what kind of waves to generate i.e. 1st channel - sine, 4th channel - square, 5th channel - white noise and so on.
Here is short sample (triangle & pulse - lead, square - bass): https://www.youtube.com/watch?v=YfB4YF5tCFE [posted here]
It was recorded with soviet 561LN2 chip, 4069 sounds not so bright.
BassMaster 85 have just 8kHz bitrate, but LPF and analog VCA helps to eliminate dizzy digital noise.
Here is the circuit diagram. I still not sure, thal levels between ATTiny 85 and TDA 7052 are OK, because triangle is not always triangle, and square wave is not always sharp.
I want to make envelope follower on 1/2 of 4069, and mix this envelope signal to the LPFcontrol via vactrol. Is it a good idea?
Links:
https://github.com/heartscrytech/DigisparkMIDI - DigiMIDI library
https://janostman.wordpress.com/cheap-diy-usb-midi-to-cv-interface/ - how to use DigiMIDI library
http://aeeprojects.blogspot.ru/2011/09/filters-with-cd4069.html - 4069 filter circuits"
"This is RhythmMaster 85S (S mean simplified) device. It makes hi-hat and snare beats out of white noise generated by TL-431.
Full version have external clock source and bass drum generator with sidechaining feature. Still in progress.
1. When you will turn on this device, you will hear white noise with periodic scratches. If you do not hear the scratches, just wait until ATTiny85 will warm up or cold down.
2. Turn the knob, it will change beats.
3. Push the buttont once, it will change knob mode. In this mode turn the knob, it will change decay.
4. Push the button, hold it and turn the knob, it will change tempo.
Code: https://github.com/youcantignoremytechno/RhythmMaster_85S"
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