663 Results for "%EA%B0%95%EB%82%A8%EC%98%A4%ED%94%BC%EB%A7%81%ED%81%AC%E2%9C%9Awww%2Coptime4.com%EA%B0%95%EB%82%A8%EC%98%A4%ED%94%BC %EA%B0%95%EB%82%A8%EB%A7%88%EC%82%AC%EC%A7%80 %E2%9C%9A %EA%B0%95%EB%82%A8%EC%98%A4%ED%94%BC%E1%98%AB %EA%B0%95%EB%82%A8%EC%98%A4%ED%94%BC%EC%82%AC%EC%A7%84%E1%98%AB %EA%B0%95%EB%82%A8%ED%9C%B4%EA%B2%8C%ED%85%94 %EA%B0%95%EB%82%A8%ED%82%A4%EC%8A%A4%EB%B0%A9 %ED%83%80%EC%9E%84"

Tek A6909 - repair and modification
Details from Tek A6909 - repair and modification
Development and repair of switching mode power supplies , battery charger, motor drives and many others required use of oscilloscope with isolated channels. Unfortunately those oscilloscopes are relatedly expensive even if you buy an used one like...

3D Printed Screw-propelled Robot With Video Feed
Details from 3D Printed Screw-propelled Robot With Video Feed
A screw-propelled vehicle is a type of land or amphibious vehicle that uses one or more auger-like cylinders fitted with a helical flange to move. The cylinders are rotated by an engine, and the flange engages with the ground or water to propel the vehicle...

Hackaday 2016 Paper Plate Badge Hack
Details from Hackaday 2016 Paper Plate Badge Hack
// Defines of of the notes:#define c 261#define d 294#define e 329#define f 349#define g 391#define gS 415#define a 440#define aS 455#define b 466#define cH 523#define cSH 554#define dH 587#define dSH 622#define eH 659#define fH 698#define fSH 740#define...

MSX1 Homebrew Clone for Baffa-2 Project
Details from MSX1 Homebrew Clone for Baffa-2 Project
After the Baffavision project and reading some notes by J.B. Langston, I realized that I could continue studying to make Baffa-2 an MSX clone. I already had CPU, VDP (video card), PSG (sound card), clock and base memory (64KBs), so I just had to put...

XMAStar
Details from XMAStar
OperationOn the videos below you can see the currently implemented effects:On the video below you can see how XMAStar behaves when the button is pressed:On the video below you can see how XMAStar behaves on under-voltage:My goals with this project I...

Unconventional Instrument Ochestra
Details from Unconventional Instrument Ochestra
Videos:These videos show the system in action, complete with the visualisation generated by the control software.Here's the current system, with 8 drives:Older videos (2 floppy drives)More videos can be found in this playlist: https://www.youtube.com/playlist?list=PLVN9s9mCy-V2a_03OcOd3xxcG50dWm-edI...

32-Bit Digital I/O Card
Details from 32-Bit Digital I/O Card
Two MCP23017 16-bit I2C I/O ExpandersStrong library support for all major microprocessors (Arduino, Raspberry Pi, BeagleBone)GitHub repo for the DigIO32-I2C Card Arduino libraryEEPROM for board ID and application specific informationWrite Enable jumper...

DIY large dye sensitized solar cell
Details from DIY large dye sensitized solar cell
Manufacturing of Large Dye Sensitized Solar Cell at home from Shih Wei Chieh on Vimeo. Introduction Dye-sensitized solar cells (DSSCs) represent an easily manufacturable and cost-effective photovoltaic device and can be done at DIY level. However, its...

Solar Genius
Details from Solar Genius
Welcome to the Solar Genius Page Introduction Energy is one of the necessities to live on this planet. Plants use energy to prepare their food, humans use energy to cook their food, and industries use energy to manufacture diﬀerent...

Celestial tracker
Details from Celestial tracker
Summary of Intentions I have an equatorial mount (Bresser Exos-2 which is similar to EQ5 ) without any tracker or GOTO device. I enjoy looking for celestial objects by myself. But handling the telescope becomes a bit hard on my back after several hours...

Reverse Engineering the Maverick ET-732
Details from Reverse Engineering the Maverick ET-732
My first step was to figure out the transmitter's frequency. Using a spectrum analyzer, I saw that it sent a signal at 433.92 MHz once every 12 seconds, using what appeared to be on-off keying. I also searched FCC filings using the Maverick's FCC ID...

A Li-Ion battery (1S - 6S) charger and tester.
Details from A Li-Ion battery (1S - 6S) charger and tester.
(Update - recently designed and ordered a PCB using EasyEDA for this project - see picture in gallery) When the ESP is reset it comes up in mode where it is monitoring each of the battery's cell voltages. Every one second, voltage measurements are taken;...

TOP245YN AC/ DC Converter
Details from TOP245YN AC/ DC Converter
Description Rectifier circuits are used to convert Analog Current (AC) into Direct Current (DC). However, in power electronics applications term AC/ DC converter is used where controlled rectification is possible with filtering and regulation. AC DC...

Bric
Details from Bric
Design and Implementation Hardware To best describe what's in the hardware, here is the block diagram The main processor being used is the NXP LPC5528 microcontroller. It is an ARM Cortex-M33F based microcontroller manufactured at the latest (as of 2020)...

Pipboy 3000
Details from Pipboy 3000
Parts - 3D printer source files from dragonator.4D Systems 4.3 inch touch display (datasheet) (programmer).8 gig micro SD card.Adafruit PowerBoost 500 charger/booster (datasheet).Lipo 2500mAh 3.7v battery.USB breakout board.10 Position rotary switch.3...

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