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LQFP, 44 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/39935c.pdf#page=152), generated with kicad-footprint-generator Molex KK-254 Interconnect System, old/engineering part number: 26-60-5030, 3 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator JST PUD series connector, 502386-1170 (http://www.molex.com/pdm_docs/sd/5023860270_sd.pdf), generated with kicad-footprint-generator Molex Picoflex Ribbon-Cable Connectors, 90325-0004, 4 Pins (http://www.molex.com/pdm_docs/sd/559350210_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py TQFN, 32 Pin (https://www.ti.com/lit/ds/symlink/bq25703a.pdf#page=90), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-111-02-xx-DV-TE, 11 Pins (http://www.molex.com/pdm_docs/sd/559350210_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py TDFN, 8 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/8L_WDFN_5x6mm_MF_C04210B.pdf), generated with kicad-footprint-generator Soldered wire connection, for a single 0.1 mm² wires, basic insulation, conductor diameter 1.25mm, outer diameter 2.7mm, see http://www.metz-connect.com/de/system/files/productfiles/Datenblatt_312051_RT045xxUBLC_OFF-022759T.pdf, script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block RND 205-00295, 10 pins, pitch 5mm, size 35x10mm^2, drill diamater 1.3mm, pad diameter 2.2mm, see http://www.mouser.com/ds/2/324/ItemDetail_1725656-920552.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block RND 205-00082 pitch 10mm size 32.3x14mm^2 drill 1.15mm pad 3mm Terminal Block Phoenix MKDS-1,5-14-5.08 pitch 5.08mm size 76.2x9.8mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00303 pitch 10mm Mallory low-profile piezo buzzer, https://www.mspindy.com/specifications/AST12140MLQ.pdf Buzzer, D12.2mm height 6.5mm, https://product.tdk.com/info/en/catalog/datasheets/piezoelectronic_buzzer_ps_en.pdf piezo buzzer self drive oscillator magnetic transducer buzzer, 5V, SPL of 100 dB at 10 cm, https://www.cuidevices.com/product/resource/pdf/cmt-8504-100-smt-tr.pdf Buzzer, Elektromagnetic Beeper, Summer, MagneticBuzzer Kobitone 254-EMB84Q-RO https://www.mouser.es/datasheet/2/209/KT-400385-1171904.pdf Buzzer Magnetic 9mm AT-0927-TT-6-R Buzzer, Elektromagnetic Beeper, Summer, 1,5V-DC, Buzzer, Elektromagnetic Beeper, Summer, 12V-DC, Buzzer, Elektromagnetic Beeper, Summer, 1,5V-DC, Buzzer, Elektromagnetic Beeper, Summer, 3-28V-DC, https://www.kynix.com/uploadfiles/pdf/AI-4228-TWT-R.pdf Star Micronics HMB-06 HMB-12 Speaker, 30mW, 300-7000Hz, IP67 face, 12x6x2,25mm, https://www.cuidevices.com/product/resource/cmr-12062s-67.pdf Gauge, Massstab, 100mm, CopperTop, Type 1, Gauge Massstab 100mm Gitter Grid CopperTop Type 3 Gauge, Massstab, 100mm, CopperTop, Type 1, Big, Symbol, Creative Commons Public Domain, SilkScreen Top, Small, ESD-Logo, similar JEDEC-14, without text, ohne Text, Copper Top, Small, Symbol, CC-PublicDomain, Copper Top, Big, Symbol, Creative Commons, CopperTop, Type 2, Copper Top, Big, Symbol, HighVoltage, Type2, Copper Top, Very Small, Symbol, Creative Commons Attribution 3.0 Unported License. Based on a 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 potentiometer for internal clock rate. One SPDT switch to set.

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