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Or she is an ADSR envelope generator synth module. Layout and panel are Kosmo format. * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ## GitHub repository ## Git repository https://gitlab.com/rsholmes/precadsr Submodules From 83b013c3637bfb179ad62b90a6c8b2f5fb547c8c Mon Sep 17 00:00:00 2001 Subject: [PATCH] To GitLab Hardware/PCB/precadsr/precadsr.kicad_pcb | 3 | 100R | Resistor | | R16, R18, R26 | 3 | A1M | Potentiometer | | Tayda | A-1624 or A-2969 | | | C1 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 R16, R17, R19, R20 | 4 | 100 nF | Unpolarized capacitor | | 4 | | | D6, D7 | 2 | 1M | Resistor | | | R9, R11, R13 | 3 | 4.7k | Resistor | | | | | | Taydaa | A-4755 | | R109, R111, R113 | 3 | 1k | Resistor | | J2 | 1 | SW_SPDT | Switch, single pole double throw, separate symbols K switch dual-pole double-throw DPDT spdt ON-ON illuminated LED SW PUSH 12mm https://www.e-switch.com/system/asset/product_line/data_sheet/143/TL1100.pdf tact sw push PVA1 DPST momentary / push-push button, h=20.5mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=20.5mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=23mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf tact sw push PVA2 DPDT momentary / push-push button, h=17.5mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=15mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=23mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=23mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=20.5mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf tact sw push 6mm smd CK components KSC7 tactile switch D Switch, dual.

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