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2674 Results for "%EA%B0%95%EB%82%A8%EC%85%94%EC%B8%A0%EB%A3%B8%E3%80%8Eoio_%EF%BC%94%EF%BC%96%EF%BC%94%EF%BC%98_%EF%BC%90%EF%BC%99%EF%BC%93%EF%BC%90%E3%80%8F %E2%88%8F%EC%84%A0%EB%A6%89%EC%85%94%EC%B8%A0%EB%A3%B8 %3E%EC%84%A0%EB%A6%89%EB%A0%88%EA%B9%85%EC%8A%A4%EB%A3%B8%E2%88%88 %EA%B0%95%EB%82%A8%EB%A3%B8%E2%88%82 %EC%84%A0%EB%A6%89%EC%9C%A0%ED%9D%A5%E2%88%81 %EA%B0%95%EB%82%A8%EB%A3%B8%EC%8B%B8%EB%A1%B1%3C %EA%B0%95%EB%82%A8%EC%9C%A0%ED%9D%A5%E2%88%80 %EC%84%A0%EB%A6%89%EB%A3%B8%EC%8B%B8%EB%A1%B1%C2%B1 %EC%84%A0%EB%A6%89%EB%9E%80%EC%A0%9C%EB%A6%AC %E2%88%86%EA%B0%95%EB%82%A8%EB%9E%80%EC%A0%9C%EB%A6%AC every"

  • Designing the custom LCD
  • Log     from Fluke 8060a Custom LCD
  • Dave at eevblog posted an excellent video series on designing custom LCDs, so I watched those a number of times.  I also found another eevblog user who posted a great writeup of a replacement LCD he designed for his Tandy/Radio Shack TRS-80...

  • V9958 - Beyond Hello World
  • Log     from rosco_m68k
  • Development on the V9958 board continues apace, and after a false start due to a silly mistake in the first revision things are back on-track with a revision 1 prototype. The design is now validated and working really well. So far it's baby-steps in...

  • ZX81 16K RAM Pack
  • Details     from ZX81 16K RAM Pack
  • Counting the GPIOs... With the intention of using the Raspberry Pico micro controller, I needed to understand how many GPIOs would be required to carry all of the necessary signals: 16 X Address Lines8 X Data LinesMREQ signalWR signalRD signal....

  • Cree Dimming Level
  • Instructions     from Cree Dimming Level
  • Flash the Arduino with the following sketch. This is also included as a file attached to the project. int last_level = 0; bool last_state = false; bool stable = false; int count = 0; const int cutoffs[198] = {/* 1*/ 833, 831, /* 2*/ 825, 823, /* 3*/...

  • Speed Signal measuring
  • Log     from JVC to Clio
  • I measured values on pin A1 of the ISO 10487 connector. Here you are the measured values: Speed (km/h)Pulse duration (μs)30~1300040~1000050~770070~540090~4200100~3750100~3400120~3200 It can be calculated more accurate values with "distance = speed...

  • Draft Bus Layout
  • Log     from Retro rack and backplane computer
  • Here is a draft bus layout - 1 +5V +5V 2 +12V +3.3V 3 4 5 6 } 18 pins for other signals 7 8 9 10 11 12 REFSH RESET 13 M1 CLK 14 INT NMI 15 BUSRQ BUSAK 16 HALT WAIT 17 MREQ IORQ 18 RD WR 19 A14 A15 20 A12 A13 21 A10 A11 22 A8 A9 23 A6 A7 24 A4 A5 25 A2...

  • [E1][T][M] Tetent with 1440px screen?
  • Log     from Tetent [gd0090]
  • 1440x1440px resolution at 125% scalingWhat the screen would look like on Tetent (but sharper). This already makes me think back to my Windows Vista on PSP days, but I'm mainly imagining the future present of quietly chilling in bed while trimming down...

  • Sym-1 plus EPROM
  • Hacker page     by Rob Ward
  • One of the popular chip formats in the 70's and 80's were the ubiquitous EPROMs (Electrically Programmable Read Only Memories). They had very good memory density at the time and were accessible technology for hackers and OEMs alike. They had the advantage...

  • Keypad matrix scanner for PIC32
  • Details     from Keypad matrix scanner for PIC32
  • KeypadAdding a 12 key keypad (0 to 9 with * and #) requires seven i/o pins. Each switch connects one row wire to one column wire. Connection scheme used in the test code is shown below. 300 ohm resistors protect the outputs from short circuits when multiple...
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