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2020 Results for "↘ 최저가 Ò1Ò〈⑻⑷89〉83Ò⑥ ↗ 강남쓰리아워㎰ 쓰리아워fearful쓰리아워레깅스룸쓰리아워강남술집정보constructed 쓰리아워가격ペゴ쓰리아워wealthy"

  • Assembly
  • Log     from GNSS module 2.0 - GNSS via Bluetooth
  • The build of the module was pretty strait forward...with some complications. Except for one all footprints matched the parts I have. The LDO for VCC_USB was the wrong footprint, a SOT-89-3 should have been a SOT-223. I fixed this by soldering cables...

  • NEDONAND homebrew computer
  • Details     from NEDONAND homebrew computer
  • Briefly about architecture and instruction set - it is 8-bit design with 8 registers: 000 - 0 (always zero) 001 - A (accumulator) 010 - B 011 - C 100 - D 101 - E 110 - F (flags and 3 higher bits for jumps) 111 - G (8 lower bits of program counter) Flags...

  • Z80 Pins and Debugging
  • Log     from 3-Chip Z80 Design
  • There are two ways to get to the Z80 bus for external operations. RESET* - Clears PC and sets address/data bus to Hi-ZBUSREQ* - input - Address, Data, MREQ*, IORQ*, RD*, WR* to HiZBUSACK* - output indicates that BUSREQ* signal was performed (Hi-Z busses)...

  • Up to date
  • Log     from Gigatron Forth
  • [This post brings me up to date with the work I've done so far, and corresponds to the state in commit 0e4b928083ae69bb6ae577197ac016e93a77e80e] I've documented my design for the NEXT routines, which I've committed to Github here. It's a little sketchy,...

  • FAT32 File Format
  • Log     from OSI SD Card Operating System (OSISDOS)
  • When you search google for FAT file format you get tons of pages on formatting disks. It's harder to pull out the detailed format of the SD card. Wikipedia to the rescue (Design of the FAT file system). A less technical FAT32 Wikipedia page is File...

  • Portable environmental monitor
  • Details     from Portable environmental monitor
  • Note: this is a complex project with many details. For the short version, please see:Portable environmental monitor presentationProduction ready design documentIntroductionLast year (2014) I put my spare time to some really good use: I designed my first...

  • Hello World, 60s Style
  • Hacker page     by J.B. Langston
  • Originally published in 2017. PDP-1 at Lawrence Livermore National Laboratory As you might have gathered from my projects, I am a bit of computer and electronics history buff. I’m old enough to actually remember using an 8-bit Heathkit H-89 computer...

  • Conquering Clocks and Gremlins
  • Log     from Dreamdrive64
  • PSRAM Challenges The PSRAM presented numerous challenges throughout development. One issue arose from the SSI clock divider, which could only be set to even integers. When the RP2040s were originally clocked at 266MHz to meet N64 SRAM timings and the...

  • PPS = Picking Pins Sucks
  • Log     from Big Ol' Modular CNC
  • //PIC32MX370F512H-64TQFP: // * = 5V Tolerant (? Marked Gray) // ! = RF6 Cannot be used as a change-notification! (Table 2, Note 2) // % = Pins 13-18 are programming/debugging pins... // See Note below. // // VDD = V+ // VSS = GND // SDA1 // SCL1|SCK1...

  • The BPI-PicoW-S3, A New Player in Town
  • Hacker page     by Joey Shyu
  • The BPI-Pico-S3 is an ESP32S3 development board that has been fully adapted to CircuitPython, and the TinyUF2 + CircuitPython firmware is installed by default. No need to install any drivers in Windows 10, Windows 11, Ubuntu Desktop, or Mac OS operating...
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