MEP EP#200: Rotary Alarm System
Parker
Air Raid Siren CompletedWorking on the power sub system for a D.C. BadgeBased on the successful DOOM SAO power systemUSB Type-C for “cable” power5.1K on both CC pinsGives us 1.5A at 5V which is plenty of juiceAlkaline Primary CellsTPS2113 for switching between cable power and the batteriesSAO connector implementation with proper current limitingGonna try a small little buck switcherTLV62568 to knock the USB and battery voltage down to the 3.3V we need.Going to design a lithium powered version that can recharge over the Type-CBrewery Building is next projectMacroFab has guided tours in the platform. Let me know how they work. Multi Layer PCBFinishing up a 6 layer PCB with mixed signalTopGNDInner1POWERPOWERBotMulti Transformer solution for preamp power supplyShould I just go with my already proven SMPS instead?Cheating At Bowling, The Hacker WayStar Wars BB8 style robot inside a bowling ballControlled by leaning your body!Digikey - Now with more Vacuum!Tube Depot - stock on digikeyNOSMatchingToshiba TCKE8xx eFuse ICsDatasheet is tough to find atmParker has used the Ti TPS25926 in previous projects which is similar