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Http://www.st.com/resource/en/datasheet/stm32f071v8.pdf WLCSP-63, 7x9 raster, 3.228x4.164mm package, pitch 0.8mm; see section 7.2 of http://www.st.com/resource/en/datasheet/stm32f429ng.pdf WLCSP-143, 11x13 raster, 4.521x5.547mm package, pitch 0.4mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32l072kz.pdf WLCSP-49, 7x7 raster, 2.965x2.965mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32l152zc.pdf UFBGA 132 Pins, 0.5mm Pitch, http://www.ti.com/lit/ds/symlink/txb0104.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf BGA 12 0.5 R-XBGA-N12 Texas Instruments, NDQ, 5 pin (https://www.ti.com/lit/ml/mmsf022/mmsf022.pdf TO-PMOD-11 11-pin switching regulator package, http://www.ti.com/lit/ml/mmsf025/mmsf025.pdf Vishay PowerPAK SC70 dual transistor package http://www.vishay.com/docs/70486/70486.pdf TO-46-4 with Valox case, based on ** https://www.instructables.com/Another-MIDI-to-CV-Box-/ yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another version Alternative: CV from something else VCF MK's Diode Ladder VCF ~$8 in parts, needing only one tl074 and support Kassutronic's KS-20 VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Latest commits for file Schematics/Dual_VCA_with_cv2_OTA.diy Start of LM13700 version to see why Start of LM13700 version to see why MK_VCO/Panels/luther_triangle_vco_ .scad 283 lines 's take on FIREBALL VCO using AD&D 1e type faces // PWM duty // pots (all p160s): // PWM duty // pots (all p160s): // PWM duty // pots (all p160s): // PWM duty // pots (all p160s): font_for_label = "Futura Md BT"; thickness = 2; // plastic walls are 2mm 3D Printing/Pot_Knobs/knob_docs.scad Executable file View File Things best left to external modules: CV-controlled CV offset module - add a voltage to trigger steps. Replace C10 with 100K resistor, and bridge out R44 with a precision give to the Free Software Foundation. 10. If you want the ring. RingWidth = 0; // Height of the knob. [mm] sphere_indents_cutdepth = 3; // Number of indenting cones. Cone_indents_count = 7; // generally-useful spacing amount for vertical columns of stuff col_left = thickness * 1; //right_rib_x = width_mm - right_rib_thickness; Schematics/Dual_VCA.diy Normal file Unescape Hardware/Panel/precadsr-panel-Gerbers/precadsr-panel-SilkBottom.gbo Normal file Unescape Hardware/Panel/precadsr-panel-Gerbers/precadsr-panel-CuBottom.gbl Normal file Unescape Schematics/SynthMages.pretty/PinSocket_1x03_P2.54mm_Vertical.kicad_mod Normal file View File MK_VCO_RADIO_SHAEK_try1.diy Executable file View File Fireball/Fireball_panel.kicad_prl Normal file Unescape DEF Kosmo_panel_Jack_Hole H 0 40 Y N 2 F N ALIAS SW_E3_SA3624 SW_E3_SA6432 SW_MMI_Q5-100 DEF SW_MEC_5E SW 0 0 Y N 2 F N DEF SW_Rotary3x4 SW 0 0 PCM_kikit NPTH 0 0 Y N 1 F N DEF SW_DIP_x06 SW 0 0 Y Y 1 F N DEF SW_DPST_Temperature SW 0 0 Y N 1 F N DEF Screw_Terminal_01x03 J 0 40 Y N 1 F N DEF SW_SPST_Lamp SW 0 40 Y Y 1 F N DEF ao_symbols_Graphic GRAF 0 40 Y N 1 F N DEF SW_DPST_Temperature SW 0 0 Y N 1 F N DEF SW_Rotary3x4 SW 0.

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