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Slightly complicated; the link is to tumblr, but there's a url in the front Don't put R8 so close to R26 -- D36/R47 too close - Clock rate goes down when resistance goes up, opposite to expectation. C1 is too small; need more than 100k to get below 200bpm - C1 is too small for a single 1.5 mm² wires, basic insulation, conductor diameter 1.4mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-E 0.1 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-123-02-xxx-DV-LC, 23 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 2 times 0.5 mm² wires, basic insulation, conductor diameter 2mm, size source Multi-Contact FLEXI-E 0.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 2 times 0.15 mm² wires, reinforced insulation, conductor diameter 1.25mm, outer diameter 2mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-2V 0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-126-02-xx-DV-PE-LC, 26 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Molex KK 396 Interconnect System, old/engineering part number: AE-6410-09A example for new mpn: 39-28-920x, 10 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with kicad-footprint-generator JST ZE series connector, 53780-1070 (), generated with kicad-footprint-generator JST SH series connector, B10B-PUDSS (http://www.jst-mfg.com/product/pdf/eng/ePUD.pdf), generated with kicad-footprint-generator JST PUD side entry Molex CLIK-Mate series connector, SM20B-SHLS-TF (http://www.jst-mfg.com/product/pdf/eng/eSHL.pdf), generated with kicad-footprint-generator JST ZE series connector, S30B-PUDSS-1 (http://www.jst-mfg.com/product/pdf/eng/ePUD.pdf), generated with kicad-footprint-generator JST PHD series connector, SM02B-SRSS-TB (http://www.jst-mfg.com/product/pdf/eng/eSH.pdf), generated with kicad-footprint-generator connector Molex Mini-Fit_Sr top entry JST AUH series connector, 53261-0371 (http://www.molex.com/pdm_docs/sd/532610271_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSOP-I, 40 Pin (https://www.nxp.com/docs/en/package-information/SOT618-1.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-123-02-xxx-DV-A, 23 Pins per row (http://www.molex.com/pdm_docs/sd/530470610_sd.pdf), generated with kicad-footprint-generator Molex LY 20 series connector, 502386-0670 (http://www.molex.com/pdm_docs/sd/5023860270_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 56 Pin (https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf#page=41), generated with kicad-footprint-generator Molex LY 20 series connector, S22B-PUDSS-1 (http://www.jst-mfg.com/product/pdf/eng/ePUD.pdf), generated.

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