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Q1, Q2, Q3 | 3 | 10k | Resistor | | | | | U1 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 | | Screws and spacers (see [build notes](build.md)) | | | | | ----- | --- | ---- | ---- | ---- | ---- | ---- | ----------- | ---- | ----------- | ---- | ---- | ---- | ---- | | | R14, R15, R18 | 3 pin Molex header 2.54 mm spacing"/> Operational amplifier, DIP-8 Quad operational amplifier, DIP-14 A-1135 2 8 pin package (http://datasheet.octopart.com/ZDT6758TA-Zetex-datasheet-68057.pdf Diodes Incorporated (https://www.diodes.com/assets/Package-Files/U-DFN2510-10-Type-CJ.pdf U-DFN2020-6 (Type F) (https://www.diodes.com/assets/Package-Files/U-DFN2020-6-Type-F.pdf HVQFN, 16 Pin (https://toshiba.semicon-storage.com/info/docget.jsp?did=12858&prodName=TLP291-4), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 16 Pin (http://www.st.com/resource/en/datasheet/l3gd20.pdf), generated with kicad-footprint-generator connector TE MATE-N-LOK side entry Molex PicoBlade Connector System, 53047-1210, 12 Pins per row (http://www.molex.com/pdm_docs/sd/1053091203_sd.pdf), generated with kicad-footprint-generator JST PH series connector, S2B-PH-SM4-TB (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator JST ZE series connector, B2B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py TQFN, 20 Pin (JEDEC MO-153 Var FC 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-138-02-xxx-DV-LC, 38 Pins per row (http://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=82181_SOFTSHELL_HIGH_DENSITY&DocType=CS&DocLang=EN), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 55560-0161, 16 Pins per row (http://www.molex.com/pdm_docs/sd/1053141208_sd.pdf), generated with kicad-footprint-generator connector Hirose FH41 horizontal Molex MicroClasp Wire-to-Board System, 55932-0430, 4 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 TSSOP, 16 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp_16_20.pdf, CP-16-20), generated with kicad-footprint-generator ipc_gullwing_generator.py LQFP, 208 Pin (http://www.microsemi.com/index.php?option=com_docman&task=doc_download&gid=131095), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 52 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_52_05-08-1729.pdf), generated with kicad-footprint-generator Molex SPOX Connector System, 5268-04A, 4 Pins (http://www.molex.com/pdm_docs/sd/559350210_sd.pdf), generated with kicad-footprint-generator Hirose series connector, 202396-0407 (http://www.molex.com/pdm_docs/sd/2023960207_sd.pdf), generated with StandardBox.py) (Keystone Battery Holder BA9VPC 9V 2xAA cell battery CR-1025 coin cell vertical Cherry MX keyswitch, 2.00u, vertical, PCB mount, additional ground contacts, https://www.neutrik.com/en/product/nc3fbh1-e B.

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