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Oleg Mazurov
Works at Circuits At Home
Lives in Louisville, CO USA
639 followers|1,325,163 views
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Oleg Mazurov

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Где такое? 
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Fixing yet another LED bulb, datecoded 2014. This one started blinking. Having repairable light bulbs is nice - I can buy one and de-rate it about 30%, after that it will last forever.
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One pf my SunHins started blinking. Only one of six. Nothing wrong with the LED array. I can't get to the components without destroying the light though. Everything is molded. I am going to open it and see what failed. I am pretty sure what I will find.  
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Next iteration of LED strip grow light - now IoT-ready :-).
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Ah, you're one of those prepared people who thinks ahead, unlike most of the IoT companies out there.
Nice build!
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Seems that Google ad serving algo attemps to guess individual's mental capacity. I know I'm not supposed to use a calculator for something that trivial but hey - it's Sunday! 
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ads showing you plunger, calculator is just for convenience ;)
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Heading to HD :-)
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It seems like it was on final clearance at HD very recently, there were two-packs on sale for $8.
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Oleg, have you seen the movie Primer? Look it up if you haven't.
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Charging a lipo with a curve tracer. Vertical trace shows charge current, at 20ma/div. 
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Nice visual
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Selecting an LED to replace failed power indicator lamp. I like it when I can use an instrument while fixing it. 
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Nice curve tracer
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Another grow light prototype. Cheap 12V LED strips, while not strong enough to be used as traditional grow lights, work well if placed close to the plant. This light can be constructed from well-stocked junk pile in a couple of hours. 12V fan provides airflow and also serves as a hardpoint. 
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Oh! Got it. It goes just over a regular planter. Thanks.
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Appropriate treatment of paparazzi.
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Travelling through places like this used to be a lot of fun. You ski through the woods and don't have a phone; when you meet a tiger you get a load of adrenaline and no one believes your story afterwards. Now it's like Yellowstone.
Imgur: The most awesome images on the Internet.
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TT from vinyl film.
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ага, я тоже. тока я ламинатор купил, он довольно быстро разогревается
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Oleg's Collections
Work
Occupation
Engineer
Skills
Embeeded systems design, DC-DC converters, Embedded C, C++, ASM. PIC24, PIC18, AVR. USB Host Shield for Ardino project
Employment
  • Circuits At Home
    present
    One-man shop. Design, manufacture, sales, support, human resources, public relations.
Basic Information
Gender
Male
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Married
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Engineer
Introduction
I live in Louisville, CO and my current project is Circuits At Home - a site with examples of electronics design, embedded projects, MCU programming, as well as other things I do.
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Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Louisville, CO USA
Previously
Novosibirsk, Russia - Moscow, Russia - Lamar, CO USA - Broomfield, CO USA
Contact Information
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Oleg Mazurov's +1's are the things they like, agree with, or want to recommend.
ICBM project reached revision zero. « Circuits@Home
www.circuitsathome.com

I'm pleased to announce that Interactive Controller for Brushless Motors reached the “revision” phase. I finished implementing and verifying

Interactive Controller for Brushless Motors PCB – first draft « Circuits...
www.circuitsathome.com

I finished laying out the first revision of the PCB for ICBM. In addition to what is shown in the video I decided to add rotary encoder as a

Interactive Controller for Brushless Motors « Circuits@Home
www.circuitsathome.com

Recently I was working on a test bench for brushless motors based on Allegro A4960 BLDC controller – a device capable of driving motors whil

ST Micro NUCLEO-F446RE board support added to USB Host Shield 2.0 librar...
www.circuitsathome.com

Today Kristian added support for STM32F4-based NUCLEO-F446RE board. The board is available from the manufacturer for little more than ten bu

USB Host Library 3.0-Alpha is out « Circuits@Home
www.circuitsathome.com

The alpha of the third revision of USB Host library has been posted on GitHub. The code has been extensively re-organized to make it modular

On the (un)reliability of plain tcp syslog...
blog.gerhards.net

Did you ever use TCP to transfer syslog reliably? And do you think that makes you immune against message loss? If so, it's time to think aga

A library to interface Arduino with XKeys USB keyboards « Circuits@Home
www.circuitsathome.com

Thomas Strausbaugh contacted me a while back with a project involving XKeys – a series of HID keyboards with extended functionality. Tom als

Running USB Host code on Digilent chipKIT board « Circuits@Home
www.circuitsathome.com

Andrew Kroll and I were talking a lot about running USB Host Shield at higher SPI speeds. We were discussing one peculiar case of seemingly

The Economics Of Selling Your Hardware Project | EEVblog - The Electroni...
www.eevblog.com

Dave breaks down the economics of selling your own hardware product. Should you use a distributor? And what price should you sell your produ

C@H Google Plus community has been created « Circuits@Home
www.circuitsathome.com

The comment system on this site leaves much to be desired. Formatting is non-existent, attachments are not supported, and most importantly,

Bitmine A1 reference board build notes. « Circuits@Home
www.circuitsathome.com

Several weeks ago, a friend e-mailed me asking for help building a bitcoin miner based on Bitmine A1 ASIC – a mighty chip capable of 40GH/se

PS4 controller support for the USB Host library « Circuits@Home
www.circuitsathome.com

PS4 controller support for the USB Host library. By Kristian Lauszus. The PS4 controller is now also supported via Bluetooth. It uses the sa

Bluetooth HID devices now supported by the USB Host library « Circuits@Home
www.circuitsathome.com

I am glad to announce that Bluetooth HID devices are now supported by the USB Host library. The library already supports PS3 and Wiimote con

Demystifying the TLC5940 - artcfox
sites.google.com

The purpose of this site is to provide information about using an Atmel ATmega328P with a Texas Instruments TLC5940 16-channel LED driver. T

Teensy 3.0 now supported by the USB Host library « Circuits@Home
www.circuitsathome.com

I (Lauszus) am pleased to announce that the first ARM processor is now supported by the USB Host library. It is the Teensy 3.0 which feature

The End of New Technologies
things4boys.blogspot.com

Ever since the beginning of intelligent humanity we have been making technological advancements whether it be stone tools or the microproces

Driving a character LCD using PIC24 Enhanced Parallel Master Port « Circ...
www.circuitsathome.com

Traditionally, Toshiba HD44780-compatible alphanumeric LCD displays are driven by bit-banging bus signals combined with long delays between

FEMA Grounds Private Drones That Were Helping To Map Boulder Floods, Thr...
www.techdirt.com

As you may have heard, Boulder, Colorado has been hit by massive flooding over the past week, and it's been something of a mess. A local com