Monday,28-November-2016

EPSON All in one unit scanner lamp problem

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As you can see from the image above, in that unit the scanner lamp has move sideways and can`t do what suppose to do.
Here, in that one the problem was caused of lost lubricant on the guide track(plastic profile in the middle).
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Friday,21-October-2016

Delonghi EC330S - how to open? :)

EN: In some point my coffee maker decide to rise some kind of work strike. It was something simple which will not bother you to read, but in case you wish to see how to open that device, here you go:
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Friday,18-March-2016

Android phone as Night Vision

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That project come to my mind actually from.. nowhere. Once I bought my new Samsung Xcover 3 and discover it support OTG I test it with USB flsh drive and hey - IT WORKED! What next? Why not to try USB camera. For that you need to know few things: 1. your USB camera need to be USB video class or UVC compatible (one list list here: https://en.wikipedia.org/wiki/List_of_USB_video_class_devices) 2. power consumption to be low and voltage to be 5 3. android phone must support USB OTG and USB Devices not only flash memory 4. right software In my case the phone support all what is required, my cameras support all what is required, and was easy to find right software. Both of my tests was successful. Once with Logitech Webcam C300 (V-U0004) PN: 860-000184 and second with ebay USB endoscope mini camera. And because I`ve had one 3W IR torch what I bought for other project, I thought to myself: why not to try Night Vision Idea. Всъщност този проект цъфна изневиделица. Купувайки моя нов Samsung Xcover 3 открих че подържа OTG и го пробвах с USB флашка и - Я, работи! Какво друго? Защо не опшитам с USB камера. За целта трябва да знете няколко неща: 1. USB камерата трябва да е USB video class или UVC съвместима (един от листингите: https://en.wikipedia.org/wiki/List_of_USB_video_class_devices) 2. консумацията на ток трябва да е минимална и камерата да е 5 волтова 3. android телефонът трябва да подържа USB OTG и USB устройства а не само флаш памети 4. подходящ софтуер В моя случай телефонът подържаше всичко необходимо, камерата отговаряше на условията, и бе лесно с намирането на правилната програма. И двата направени теста бяха успешни. Един с Logitech Webcam C300 (V-U0004) PN: 860-000184 а втори с ендоскопска мини камера от ибей. И тъй като имамфенерче от 3 вата с инфрачервен диод закупено за друг проект, си рекох: защо да не опитам Уред за нощно виждане.

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Wednesday,10-February-2016

LIDL Airgun problem[fix]

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I bought that Airgun from LIDL maybe year and half ago and recently it.. die. The reason was.. that stupid thermo-fuse (yellow one). Removing it, and clamp the heating wire straight to the same spot where it was and voila - we`re back in business. Преди година и половина закупих от LIDL този пистолет за топъл въздух който реши в един прекрасен момент да издъхне. Оказа се термо бушона. Разкарах го, и стегнах реотана направо на негово място. Все още работи без проблем.

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Saturday, 6-February-2016

Samsung GT-S7580 signal FIX

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Here, the case was constant loosing signal Samsung GT-S7580:
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Fast internet check bring that help:
- full ROM reflash (didn`t do the job)
- or get to the hardware and hacking by that diagram:
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Saturday,30-January-2016

DELL 14” LCD backlight fix

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That screen was “dead” by meaning there was no back light. Actually, if you plug some signal to it and start, the monitor has backlight for few seconds and then - nada. Interesting, it has 2 lamps and dual controller but both lamp was tight to the one of the channels. Anyway, what my DIY fix was: remove one SMD transistor, and solder new one.
Extendet story - IC backlight controller, send signal to one MOSFET via smd transistor(removed by me). That MOSFET control the power going to the lamp transformers. I solder new transistor to the IC power supply lines. So, when get power to monitor and push ON, that transistor “open” the mosfet and here backlight is on. In that way I lost the dimm function and backlight is always to MAX but for me that is fine, because that screen should be only use for test, or as screen for one CNC project.

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RGB LED control via Arduino and BT serial

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In that topic will show my first attempt to create R-G-B LED control via timer`s PWM and serial commands based on HC-06 interface hardware and BT serial app for Android. Това е първият ми опит да използвам сериен порт базиран на блутут комуникация между Андроид телефон и ардуино нано. RGB диода се управлява посредством шим базиран на хардуерен таймер

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Monday,13-April-2015

Severin Espresso machine

EN - another example how even never used machine can be.. just crap. I bought it as never used as it was. But in some point in the past there have been water inside, so that aluminum boiler tank all the time produce limescale. And i end up buying new one..
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Sunday,11-January-2015

Toshiba Satelite AMD - notebook fix

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That machine was lightly overheating, and bad working original Hitachi drive.I haven`t any good experience actually with Hitachi drives, especially with single plate High density ones. But have to admit, i like that small board. Cleaning the fan,new paste and reinstall fix the problems. Opening - remove all screws under, ad gently open from the all side clips - you have all to state seen on the last image. Maшинката леко попретопляше, и имаше лошо работещ оригинален диск Hitachi. С тази марка дискове интересно само проблеми съм имал, особено с тези с голяма плътност на единична плоча. Все пак ми хареса дизайна на платката и размера ?. Отваряне - махат се всички болтчета отдолу, и внимателно се разкопчава панела от щипките. Това е.

Tuesday, 6-January-2015

Sahara Projector - dust remove

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That projector was full of dust in the RGB matrix area. Few screws out, air blow, and.. VOILA Toзи проектор бе пълен с прах по матрицата и призмата. Няколко болтчета и обдухване с въздух оправиха нещата

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