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Still the best option. This page is to collect findings from researching other potential fab plants. Our standard design is the decade counter expects CLOCK to pass 1/2 of V+ (i.e. 6v) but many external clock sources cycle between 0v and 5v or even much less. - One SPDT switch to disable clock (pause). - SPST switch to disable reset (run once). Momentary-normal-off pushbutton to manually reset. More repo cleanup, adopt github .gitignore file # Temporary files *.000 *.bak *.bck *.zip *.DS_Store *~ .gitignore-extra *.dsn *.kicad_pcb-bak *.kicad_sch-bak *.kicad_prl *.kicad_pro *.rules *.sch-bak *~ _autosave-* *.tmp *-save.pro *-save.kicad_pcb fp-info-cache *.lck # Netlist files (exported from Eeschema *.csv *.lck ########################## # Additional ignored # KiCad backups folders Hardware/PCB/precadsr/precadsr.kicad_pro Normal file View File Hardware/PCB/precadsr/precadsr.net Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/OSHW-Logo2_7.3x6mm_SilkScreen.kicad_mod Normal file View File Hardware/PCB/precadsr_Gerbers/precadsr-F_Mask.gbr Normal file Unescape main ENV/README.md 3 lines Creative Commons Public Domain, SilkScreen Top, Small, Symbol, Highvoltage, Type 2, Big, Symbol, HighVoltage, Type1, Copper Top, Small, Waste Electrical and Electronic Equipment Directive Altech AK300 serie terminal block Metz Connect Type101_RT01604HBWC, 4 pins, pitch 2.54mm, size 25.86x6.5mm^2, drill diamater 1.3mm, pad diameter 2.1mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00045_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00079, vertical (cable from top), 10 pins, pitch 2.54mm, package size 32.2x9.1x15mm^3, https://www.recom-power.com/pdf/Innoline/R-5xxxPA_DA.pdf dc-dc recom buck sip-4 pitch 2.54mm size 25.9x6.2mm^2 drill 1.1mm pad 2.1mm terminal block Metz Connect 360273 size 5x4mm^2 drill 1.5mm pad 3mm Terminal Block WAGO 804-111, 45Degree (cable under 45degree), 24 pins, pitch 7.5mm, size 6.5x15mm^2, drill diamater 1.15mm, pad diameter 3mm, see , script-generated with , script-generated with , script-generated with , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block RND 205-00033 pitch 10mm size 105x8.1mm^2 drill 1.3mm pad 2.6mm Terminal Block 4Ucon ItemNo. 10698, vertical (cable from top), 11 pins, pitch 5mm, size 60x9.8mm^2, drill diamater 1.3mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00298_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_4Ucon THT Terminal Block Phoenix PT-1,5-13-3.5-H, 13 pins, pitch 3.5mm, size 10.5x7.6mm^2, drill diamater 1.3mm, pad diameter 2.6mm, see http://www.metz-connect.com/de/system/files/productfiles/Datenblatt_310671_RT019xxHDWC_OFF-023605N.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 804-316 45Degree pitch 5mm Varistor, diameter 15.5mm, width 4.8mm, pitch 10mm size 22.3x14mm^2 drill 1.15mm pad 3mm Terminal Block WAGO 236-202 45Degree pitch 5mm size 22.3x14mm^2 drill 1.15mm pad 3mm Terminal Block WAGO 236-508 45Degree pitch 7.5mm size 32.3x14mm^2 drill 1.15mm pad 3mm Terminal Block WAGO 236-616 45Degree pitch 5mm size 20x8.1mm^2 drill 1.1mm pad 2.1mm terminal block RND 205-00071, 6 pins, pitch 3.5mm, size.

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