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The CLOCK op-amp from 1 to something more decisive, like 3x. Then a signal as low as 2v could works as an edge cut? Corrected in Rev 2.0 alpha 1: Properly assign potentiometer pads and thermal vias; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32l152zd.pdf WLCSP-64, 8x8 raster, 3.141x3.127mm package, pitch 0.4mm; see section 7.2 of http://www.st.com/resource/en/datasheet/stm32f429ng.pdf WLCSP-143, 11x13 raster, 4.539x5.849mm package, pitch 0.8mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f051t8.pdf UFBGA-100, 12x12 raster, 7x7mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f100v8.pdf TFBGA-100, 10x10 raster, 8x8mm package, pitch 0.4mm; see section 6.1 of http://www.st.com/resource/en/datasheet/stm32f405og.pdf WLCSP-100, 10x10 raster, 4.201x4.663mm package, pitch 0.4mm; see section 7.8 of http://www.st.com/resource/en/datasheet/DM00387108.pdf Texas Instruments, DSBGA, area grid, YZF, YZF0016, 2.39x2.39mm, 16 Ball, 4x4 Layout, 0.35mm Pitch, https://www.st.com/resource/en/datasheet/stm32h747xi.pdf DFN, 6 Pin (https://www.diodes.com/assets/Package-Files/U-DFN2018-6.pdf), generated with kicad-footprint-generator Samtec HLE horizontal Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-129-02-xxx-DV-BE, 29 Pins per row (https://www.hirose.com/product/document?clcode=CL0537-0694-9-81&productname=DF12C(3.0)-50DS-0.5V(81)&series=DF12&documenttype=2DDrawing&lang=en&documentid=0000994748), generated with kicad-footprint-generator ipc_gullwing_generator.py MQFP, 44 Pin (http://www.issi.com/WW/pdf/61-64C5128AL.pdf), generated with kicad-footprint-generator JST PH series connector, SM07B-ZESS-TB (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator Tantalum Capacitor SMD 2225 (5664 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: https://www.nikhef.nl/pub/departments/mt/projects/detectorR_D/dtddice/ERJ2G.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, 502494-0270 (http://www.molex.com/pdm_docs/sd/5024940270_sd.pdf), generated with kicad-footprint-generator Molex Mini-Universal MATE-N-LOK, old mpn/engineering number: 1-794068-x, 8 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-142-02-xxx-DV-BE-LC, 42 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with kicad-footprint-generator JST J2100 series connector, 501331-0407 (http://www.molex.com/pdm_docs/sd/5013310207_sd.pdf), generated with kicad-footprint-generator connector Harting har-flexicon series connector, DF3EA-12P-2H (https://www.hirose.com/product/document?clcode=CL0543-0332-0-51&productname=DF3EA-5P-2H(51)&series=DF3&documenttype=2DDrawing⟨=en&documentid=0001163317), generated with kicad-footprint-generator ipc_noLead_generator.py Littelfuse NANO2, 250VAC/VDC, 350VAC/VDC, 10.5 x 4.5 x 4.5mm, https://www.littelfuse.com/media?resourcetype=datasheets&itemid=6201db33-6e55-43f2-b41f-15e38bdd2c99&filename=littelfuse-fuse-462-datasheet Littelfuse NANO2, 250VAC/VDC, 350VAC/VDC, 10.5 x 4.5 x 4.5mm, https://www.littelfuse.com/media?resourcetype=datasheets&itemid=6201db33-6e55-43f2-b41f-15e38bdd2c99&filename=littelfuse-fuse-462-datasheet Littelfuse NANO2, 350VAC, 450/500VDC, 10.86 x 4.78 x 4.78mm, https://www.littelfuse.com/media?resourcetype=datasheets&itemid=888f12ed-ed3b-4b45-b910-06af8854ad76&filename=littelfuse-fuse-885-datasheet Fuseholder Clips, 5x20mm Cylinder Fuse, Pins Inline, Horizontal, Littelfuse 521, https://www.littelfuse.com/~/media/electronics/datasheets/fuse_clips/littelfuse_fuse_clip_520_521_102071_datasheet.pdf.pdf Fuseholder Clips, 5x20mm Cylinder Fuse, Pins Inline, Horizontal, Schurter OG, https://ch.schurter.com/en/datasheet/typ_OG__Clip__5x20.pdf Fuseholder Clips, 6.3x32mm Cylinder Fuse, Pins Inline, Horizontal, Littelfuse 520, https://m.littelfuse.com/~/media/electronics/datasheets/fuse_clips/littelfuse_fuse_clip_100_445_030_520_datasheet.pdf.pdf Fuseholder Clips, 5x20mm Cylinder Fuse, Pins Inline, Horizontal, Littelfuse 111 (501 and 506), https://m.littelfuse.com/~/media/electronics/datasheets/fuse_clips/littelfuse_fuse_clip_111_datasheet.pdf.pdf Fuseholder Clips, 6.3x32mm Cylinder Fuse, Pins Inline, Horizontal, Littelfuse 445/030, https://m.littelfuse.com/~/media/electronics/datasheets/fuse_clips/littelfuse_fuse_clip_100_445_030_520_datasheet.pdf.pdf Fuseholder Clips, 5x20mm Cylinder Fuse, Pins Inline, Horizontal, Littelfuse 102071, https://www.littelfuse.com/~/media/electronics/datasheets/fuse_clips/littelfuse_fuse_clip_520_521_102071_datasheet.pdf.pdf Heatsink, StoneCold HS, https://www.tme.eu/Document/da20d9b42617e16f6777c881dc9e3434/hs-130.pdf Heatsink, Stonecold, HS, https://www.tme.eu/Document/f7f93f538b934e0b08e09747396fb95f/hs-s.pdf smd shielded power inductor 4x4x3mm, Abracon ASPI-4030S, https://abracon.com/Magnetics/power/ASPI-4030S.pdf Bourns SRP1038C series SMD inductor Bourns SRU1028 SMD inductor Bourns SRR1005 SMD inductor Bourns SRU8028 series SMD SMT SPST EVQPUM EVQPUD SMD 1x-dip-switch SPST , Slide, row spacing 15.24 mm (600 mils 40-lead surface-mounted (SMD) DIP package, row spacing 22.86 mm (900 mils), Socket, LongPads 20-lead though-hole mounted DIP package.

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