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238 Results for "↘ 최저가 Ò1Ò〈⑻⑷89〉83Ò⑥ ↗ 강남쓰리아워Ｆ グpossibility쓰리아워┃쓰리아워가격쓰리아워레깅스룸Ｉシ쓰리아워레깅스룸unnatural 쓰리아워ы쓰리아워레깅스룸㏅㈇temper"

  • Ancient digital clock revived, and a project box
  • Hacker page     by Ken Yap
  • Among the old projects in my junk box was a digital clock I made in the late 70s, using the National Semiconductor MM5371, a one chip clock. Back in the day I used an iron core transformer to supply power. I decided to replace this with a wall wart supply...

  • Few Words About Me
  • Hacker page     by djmrush
  •  Personal Profile  I am an experienced sales person with excellent communication skills looking to further my career in recruitment, sales and account management.  Fully competent in MS Office to store, access & manage business information,...

  • Electronic standard parts : Power Supplies
  • Hacker page     by Christoph Tack
  • DC DC Converters Board Mount DeviceSpecificationsSourcesBuck converter moduleInput voltage : 4.5V - 28VOutput voltage : 0.8 - 20VOutput current : 3AEfficiency : 92%Switching frequency : 1MHz - 1.5MHzOperating temperature : -20°C - +85°CSize...

  • There is really only one project ...
  • Hacker page     by Patrick
  • This page attempts to present a history of my experiments with embedded systems, starting with my first Arduino projects.  I intend for this page to be more-or-less a living document, kind of like a log summary across my projects.   It...

  • Thermoelectric Freezer Burn
  • Hacker page     by Michael
  • As a long haul truck driver I use a thermoelectric cooler as opposed to an ice chest. The main problem is that it tends to freeze items placed nearest the cooling element. By placing a couple of 500ml water bottles next to the cooling element I can make...

  • Alarm display
  • Hacker page     by Christoph Tack
  • Alarm display Many silly alarm clocks don't show the alarm time by default.  You only see a dot indicating there's an alarm active.  To view the alarm time, some buttons need to be pressed. To distinguish it clearly from the clock time, a smaller...

  • Audio module
  • Hacker page     by Christoph Tack
  • Most clocks use sound to wake you up.  This clock is no exception. A little "DFPlayer Mini" module does all of that, also MP3 decoding.  It even includes a speaker driver. Yue Xin YX5200-24SS module! Check for short circuit between pin 3 and...

  • Product Review | Totem 2WD Car Kit
  • Hacker page     by Craig Hissett
  • Billed as an upgradable smartphone-controller car chassis kit, the Totem 2WD Car Kit does exactly what it says; it is a small kit featuring a Bluetooth-compatible board and a companion app to control it. Despite its size the kit comes with everything...

  • Product Review | Totem Mini Lab
  • Hacker page     by Craig Hissett
  • The Totem Mini Lab is a kit to build an all-in-one lab setup. Built around Totem's take on an Arduino Uno, it features a companion lab board which adds many useful tools and features to your prototyping and development.  Unboxing The kit comes...

  • STM8 LED Clock
  • Hacker page     by K.C. Lee
  • I made a digital clock. Originally I planned to use a VFD, but the user interface on a 4 digits was too much of a limitation. (I already have to cramped the UI on my STM8 timer with 16x2 LCD)   I used a STM8S003, 74HC595 and...

  • A review of 3 electronics bazaars in China
  • Hacker page     by Ken Yap
  • Revisions 2021-04-22 Many sellers point this out, but it's worth repeating. You can save considerably on shipping if  you choose the same method for all the items you buy from one store. For example I bought 5 items for a total of $12 and made sure...
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