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Fabs charge more for ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Latest commits for file MIXER.diy 0 0 Y N 2 F N DEF Kosmo_panel_Switch_Hole H 0 40 N N 1 F N DEF SW_Coded_SH-7040 SW 0 40 Y N 1 F N DEF SW_MEC_5G_2LED SW 0 20 Y N 1 F N DEF SW_Push_Dual_x2 SW 0 0 Y N 1 F N DEF LM3900N U 0 5 Y Y 1 F N DEF SW_DIP_x06 SW 0 0 Y N 1 F N DEF SW_Rotary2x6 SW 0 0 Y N 1 F N DEF SW_SPST_Lamp SW 0 0 Y N 1 F N DEF SW_E3_SA3216 SW 0 40 Y N 1 F N DEF SW_Push_45deg SW 0 0 Y N 1 F N DEF SW_SPST_LED SW 0 0 Sequencer based on this and/or Hagiwo's quantizer, if going digital ** https://note.com/solder_state/n/nde97a0516f03 and https://www.youtube.com/watch?v=op_DhPr2goc ** arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a microcontroller but no DAC. Also interesting UI, featuring lit pushbuttons in a particular Contributor are reinstated (a) provisionally, unless and until such Contributor explicitly and finally terminates Your grants, and (b) on an "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, > INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING.

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