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- Before producing, confirm footprint dimensions for capacitors, diodes (inc. LEDs), and barrel power jack works physically for male connector from wall wart. Consider adding a switch to adjust CV output range, switch between 5v and 2.5v max (or whatever is configured). Momentary-normal-off pushbutton to manually reset. LEDs: One per step, to set output voltages. (10) - One idea: add a voltage to trigger steps. Replace C10 with 100K resistor, and bridge out R44 with a capacitor / resistor pair, see Fireball's hard sync to schematic, laid out PCB with on-board components PCB initial layout, no traces Fireball/Fireball.kicad_prl | 8 | 1N4148 | 100V 0.15A standard switching diode, DO-35 | | | | R23, R24, R25, R27 Switch, triple pole double throw, illuminated paddle, red and green LEDs K switch single-pole double-throw spdt ON-ON K reed magnetic switch D MEC 5G single pole normally-open tactile switch switch normally-open pushbutton push-button LED D MEC 5G single pole normally-open tactile switch SPST angled PTS645VL58-2 LFS tactile switch switch normally-open pushbutton push-button D MEC 5E single pole normally-open tactile switch https://cdn.sos.sk/productdata/80/f6/aabf7be6/5gth9358222.pdf Switch NKK G1xJP http://www.nkkswitches.com/pdf/gwillum.pdf SWITCH TOGGLE ILLUM SPDT NKK Switch, single pole normally-open tactile switch Omron B3F right angle 3mm lightpipe dual tower right angle 3mm lightpipe dual tower right angle (https://www.we-online.com/katalog/datasheet/692122030100.pdf USB 3.0 3.1 3.2 4.0 Type-C receptable, through-hole mount, SMD, right-angle (https://www.molex.com/pdm_docs/sd/1054500101_sd.pdf USB C Type-C USB3 receptacle SMD USB Micro-B receptacle, through-hole, vertical, http://katalog.we-online.de/em/datasheet/614105150721.pdf usb micro receptacle vertical USB 2.0 Type C (https://www.bulgin.com/products/pub/media/bulgin/data/Battery_holders.pdf Comfortable Electronic CR2450 battery.

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