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BackRate (rv11 // once/continuous (switch // cv range (sw12 // 1 rotary switch, 5+ positions 6 sockets Potentiometers: One potentiometer for internal clock rate. One SPDT switch to disable clock (pause). - SPST switch to adjust parameters for. 1.0 2012-03-?? Initial release at https://www.thingiverse.com/thing:20513 . Open Tasks // ====================================================================== // Prevent anything following from showing up as Customizer parameters. /* [Hidden] */ // Four hole threshold (HP rail_clearance = 8.5; // mm from very top/bottom edge and where it is up to 1amp - maybe not as efficient as a full bridge rectifier; could use larger spacing C7 is a work based on https://www.analog.com/media/en/technical-documentation/data-sheets/199399fc.pdf TO-92 2-pin leads in-line, narrow, oval pads, drill 0.75mm (https://www.diodes.com/assets/Package-Files/TO92S%20(Type%20B).pdf TO-92 leads molded, narrow, drill 0.75mm, hand-soldering variant with enlarged pads (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot361-1_po.pdf TSSOP, 28 Pin (JEDEC MO-153 Var EF https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-139-02-xxx-DV-BE-A, 39 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039289068_sd.pdf), generated with kicad-footprint-generator Molex Picoflex Ribbon-Cable Connectors, 90814-0020, 20 Pins per row (https://www.molex.com/pdm_docs/sd/430450201_sd.pdf), generated with StandardBox.py) (Keystone Battery Holder, Keystone, Plastic Case, http://www.keyelco.com/product-pdf.cfm?p=1031 AAA battery cell holder CR2032 retainer clip, SMT ( http://www.farnell.com/datasheets/1505853.pdf BC-2001 CR2032 2032 Battery Holder SMD Tactile Switch, B3SL Middle Stroke Tactile Switch, https://www.e-switch.com/system/asset/product_line/data_sheet/165/TL3342.pdf SWITCH SMD KSA SW 4-bit rotary coded switch, gull wing, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf 4-bit rotary coded switch, J-hook, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf 4-bit rotary coded switch, gull wing, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf 4-bit rotary coded switch, J-hook, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf 4-bit rotary coded switch, through-hole, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf SPST Off-On Pushbutton, 1A, 30V, CW Industries P/N GPTS203211B, http://switches-connectors-custom.cwind.com/Asset/GPTS203211BR2.pdf SPST button switch | | R16, R18, R26 | 3 | A1M | Potentiometer | | Tayda | A-1157 or A-2425 | | | C10 | 1 | SW_Push | Push button switch, generic, symbol, four pins D Push button switch OFF-(ON CMOS General Purpose Timer, 555 compatible, PDIP-8"/>