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10650 Results for "%E3%80%8A%20%EC%98%88%EC%95%BD%EB%AC%B8%EC%9D%98%20OIO%E2%89%A1%E2%91%A7%E2%91%A389%E2%89%A183O%E2%91%A5%E3%80%8B%EC%84%A0%EB%A6%89%EB%A0%88%EA%B9%85%EC%8A%A4%EB%A3%B8%E3%89%B9%E3%83%99grace%EB%A0%88%EA%B9%85%EC%8A%A4%EB%A3%B8%EF%BC%B3%EC%84%A0%EB%A6%89%EB%A0%88%EA%B9%85%EC%8A%A4%EB%A3%B8%EC%84%A0%EB%A6%89%EB%A0%88%EA%B9%85%EC%8A%A4%D0%B5%20%D1%8F%EB%A0%88%EA%B9%85%EC%8A%A4%EB%A3%B8%EB%B9%84%EC%9A%A9superstition%20%EA%B0%95%EB%82%A8%EB%A0%88%EA%B9%85%EC%8A%A4%EB%A3%B8%E2%80%B2%EA%B0%95%EB%82%A8%EB%A0%88%EA%B9%85%EC%8A%A4%C2%A7%EF%BC%98fetch"

  • Control Sub-System
  • Log     from Apollo Guidance Computer
  • I have drawn initial schematics for this sub-system, but have not started wiring it up.Here are design notes that help understand the schematics.Clock: At the heart of the Clock module is a 4 MHz crystal that is divided into four non-overlapping...

  • New Connector Masterboard
  • Log     from Seiko Robot Custom Controller
  • 11/5/14 With Aaron, we tried to trace the controller cables. I documented the wirewrap job that had been done, probably at Case, as well as the connectors. Then I removed the offending innards and placed them aside, including an obsolete sort of motherboard....

  • Transistor Placement
  • Log     from Voice Recognition Touch-Tone Phone
  • So that we have our pads/traces setup, the next question is how do we best connect our transistors ?For a refresher on transistors SparkFun has a pretty good tutorial, including amplifier applications, so here just the basics we need for this project.Also,...

  • Electronics details
  • Log     from Solid state flow sensing using EIS
  • foIn this log, let's examine the electronics of the Rapid Impedance Spectroscopy Array, RISA.---------- more ----------ConstructionFigure 1: Unpopulated PCBs showing board stackup.RISA consists of 2 two-layer boards, which are connected by .1" headers....

  • Manual placement of 78 APA102-2020 chips
  • Log     from The Glowy Heart of Blink
  • Here’s a funny queston. How do you solder 78 separate APA102-2020 onto a board? Just in case it isn't clear, each of these has 8 pads (6 active) and each unit only 2mm on each side. These parts are TINY! I normally make SMT prototypes by dabbing the...

  • FlopProgress!
  • Log     from Floppy-bird
  • Actually, none... Due to a combination of factors unrelated to this project, specifically, progress on this project has been limited to the theoretical realm. Well, that is progress, but kinda intangible. ---- I [finally] built a house-battery setup...

  • Hardware design decisions
  • Log     from 1337 3310 WiFi
  • This post is part of a series about this badge What goes into the design of a board like this? There's a lot of choices to make when designing a circuit board, and I'll try to tell you the story of how I went from the idea to the final design. Design...

  • First design
  • Log     from VGA video generation card
  • Let's make a start with describing the design. Before I forget how everything is supposed to work. It's rather complicated. The schematic (at it's current state) can be found in the file section of this project. Note that most IC's are HC in the...

  • Software - Round 394
  • Log     from HydraMETER
  • Another month, another kajillion hours in front of the computer working on the software. Fixes/changes this time: -Multicore!  The rp2040 has two cores, this now uses both.  One is dedicated to sampling and per-sample calculations (calibration,...

  • ThunderScope 1000E Rev.1
  • Log     from ThunderScope
  • The time had come to make a new prototype, one with all the hardware needed to accomplish the goals of this project! The front end was well proven at this point, and just needed a slight shrink to fit under an off the shelf RF shield. The ADC had always...
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