2412 Results for "%E3%80%8A%EC%B5%9C%EC%A0%80%EA%B0%80 O1O%CE%9E5793%CE%9E7458%E3%80%8B %ED%8D%BC%EB%B8%94%EB%A6%AD%EC%85%94%EC%B8%A0%EB%A3%B8%EC%B0%A8%EC%9D%B4%C5%8B %E3%80%8A%EC%B5%9C%EC%A0%80%EA%B0%80 O1O%CE%9E5793%CE%9E7458%E3%80%8B %E2%87%92silver%E3%8F%82%ED%8D%BC%EB%B8%94%EB%A6%AD%EC%88%A0%EC%A7%91%EC%84%A0%EB%A6%89%ED%8D%BC%EB%B8%94%EB%A6%AD%E3%85%9Eproprietary %ED%8D%BC%EB%B8%94%EB%A6%AD%EC%88%A0%EC%A7%91%ED%8D%BC%EB%B8%94%EB%A6%AD%EC%85%94%EC%B8%A0%EB%A3%B8%EC%B0%A8%EC%9D%B4 %EC%84%A0%EB%A6%89%ED%8D%BC%EB%B8%94%EB%A6%AD%C2%B9%ED%8D%BC%EB%B8%94%EB%A6%AD%EC%97%85%EC%86%8C%EC%8B%9C%EC%8A%A4%ED%85%9C%EF%BD%97sworn%E3%86%89"

Understanding how the computer works
Log from Apollo Guidance Computer
Fortunately most of the NASA documents are available. They can be found on-line at https://www.ibiblio.org/apollo/Documents/ The following documents are what I leaned heavily on in gaining an understanding of how this computer...

Arduino or Wemos Code
Instructions from WiFi Signal Strength Scanner Monitor or Checker
In the arduino code set your WiFi credentials char wifissid[] = "ENTER YOUR WiFi SSID HERE"; char wifipass[] = "ENTER YOUR WiFi PASSWORD HERE"; Normally, the signal strength is displayed in dBm. But for a non techie person, the signal strength in terms...

20230216a -- RAM signature stamping
Log from ROM Disassembly - AlphaSmart Pro
Revisiting the RAM signature stamping knowing what I know now, I can better see what's going on and record that knowledge. The RAM stamping routine now looks like this:F723 ; stamp 'ram valid signature' on RAM page 0 and 3 F723 stampRAMsignature_F723:...

In The Digital Domain
Log from Reverse-Engineering the milight on-air protocol
I also wanted to sniff the communication between the micro controller and radio IC, but couldn't get the case of the remote control open. At the next opportunity I brought the Mi-Light Wi-Fi controller with me and got that open more or less easily:Inside...

Three Dollar EC - PPM Meter [Arduino]
Log from Hacking the way to growing food
This Blog will Cover How to build a cheap EC meter for your aquaponics/Hydroponics or water quality related projects. We are not going to get into what the ideal value of PPM or EC is, Just cover how to measure and quantify a fluid.We will be using this...

20230222b A Tale of Two Translations
Log from ROM Disassembly - AlphaSmart Pro
There are several translation routines found during the file sending stuff that translate one character value into another one. Some we understand, like this one:F4DC sub_F4DC: F4DC 84 7F anda #$7F ; reset high bit F4DE 16 tab F4DF 4F clra F4E0...

SpiroBoard Aeroponics pH / EC / Motor Controller
Details from SpiroBoard Aeroponics pH / EC / Motor Controller
The internet has a dizzying amount of information on EC and pH. After sifting through it, I found some potentially interesting links that are detailed below. The DIY EC meter project that inspired the original EC portion of this design A tutorial on...

Voices of the past, speak up!
Details from Voices of the past, speak up!
Introduction Talker/80 offers: DECtalk-Based Text-to-Speech (TTS) Synthesis: the Epson S1V30120 TTS chip on the utilized mikroBUS "TextToSpeech Click!" daughterboard from MikroElektronika implements DECtalk v5 - a natural sounding speech synthesizer...

Self Optimising Automated Arduino Nutrient Doser
Log from Hacking the way to growing food
This Blog is about making a nutrient dosing system for hydroponics that is plug and play, I didnt quite get it to the full stage of plug and play with this version. But it is almost there. Because the change of nutrient strength of our systems can be...

EC or not EC: that is the question
Log from SpiroBoard Aeroponics pH / EC / Motor Controller
For some reason, EC probes are relatively expensive. In most cases they are more expensive than pH probes, which to me seem a lot harder to make. So, I decided to make my own EC probe, as you can see below:The contacts are gold plated Studex ear piercing...

Munin plugin gathering Helios Ventilation Temps
Project by Robin
This ugly but working code uses modpoll from inside a munin plugin to gather Helios Ventilation System Temperatures over LAN
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20230213b -- Memory
Log from ROM Disassembly - AlphaSmart Pro
I find it vexing that I have not yet figured out the RAM banking scheme. Some things:at reset, the peripheral configuration registers and internal RAM are mapped at 0000h. They can be moved elsewhere, but are not. The RAM at 40-ff is...

Progress on the EC
Log from Reverse engineering Toshiba R100 BIOS
Some progress has been made the past few days on the actual Renesas EC chip. A detailed log will probably follow in the upcoming few days, once I get the chance to take a few pictures and screenshots.In 2014 I etched a PCB to mount the EC on after desoldering...

Theory
Log from All About Laptop Keyboard Reuse
A laptop keyboard is a diode-less key matrix. Its keys are distributed in a way that you can press the most important key combinations at once, despite the lack of diodes - to the point where some rows only contain one or two keys. Often, there's also...

More SD Card Write Details
Log from 3-Chip Z80 Design
Had to dig into the FPGA code for the SD card. Using Neal Crook's documentation of Grant Searle's version (longer pedigree on the page). The status register values are: // SD_Status bit values from Neal Crook's documentation of Grant's SD card // b7...

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