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KrisDong

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KrisDong last won the day on August 6 2019

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  1. When developing electronic projects, the power supply is one of the most important part of whole project and there is always need of multiple output voltage power supply. This is because different sensors need different input voltage and current to run efficiently. In this scenario, a power supply which can output multiple voltages becomes very important. There are options that an engineer can use for external power supply like RPS (regulated power supply) or AC adaptors but then multiple power supplies will be needed and the whole system will become bulky. So today we will be designing a
  2. Every digital clock has a crystal inside it to keep track of time. This crystal is not only present in the clock but also present in all computing real-time systems. This crystal generates clock pulses, which is needed for timing calculations. Although there are some other ways to get clock pulses for higher accuracy and frequency, but the most preferred way is to use crystal to keep track of time. Here we will DS3231 RTC IC to build an Atmega16 based Digital Wall Clock. DS3231 RTC has a highly accurate crystal inside it, so no external Crystal oscillator is needed. In this Digital Clock
  3. The board is made very precisely, it's clean and very pleasant to touch. Markings on the silkscreen layer are very good readable. Soldering does not cause trouble, tin adheres very well to soldering points with a small amount of flux. It is also worth mentioning that the PCB is very robust to desoldering. The company is very solid, although you order 10 pieces, you get at least 1 PCB more for test, prototype, present, etc. When I signed up for an account, I also got a $20 coupon for free. Excellent construction and assembly work done by PCBgogo.No problems encountered, highly recomme
  4. PCBGOGO not only in quick-turn PCB prototype and PCB assembly, but also medium and small volume PCB fabrication. We have three factories, established over 17,000 square meters; fully compliant with the ISO 9001:2008 quality management system, UL certified and committed to adhering to the strictest standards in manufacture and assembly. Advantages of PCBGOGO: Offer low cost with high quality PCB prototype and PCB assembly service, minimum order is 5 pieces. Product quality guaranteed. PCBGOGO is fully compliant with the ISO 9001:2008 quality management system and our company is
  5. Hello guys, Another 1590B marvelous pedal effect - the peppermill overdrive (original concept found on #runoffgroove ). Looks pretty much the same as CMOS Fuzz (minimalistic raw metal design) but shines red instead of blue. In case someone is wondering I'm not changing my main coure from electronics to guitar effects. I just decided to combine three of my passions (electronics, guitar, CAD/diy) and show some new type content along with mechateonics engineers flexibility. I'll be back with some hardcore electronics content as soon as I manage to overcome some communication issues. p
  6. I ordered some PCBs at PCBGOGO. They are a manufacturer of small and medium-sized batches in China. I received the board on the third day after I placed the order. To be honest, this's very fast.And they also have “Turnkey” service. https://www.pcbgogo.com?code=t
  7. I've been working on metronome based on the Atmega328P and the Arduino language, although using a discreet microcontroller chip. It has six high brightness LEDs to indicate the beats, a buzzer, OLED display, some push buttons to control the thing, some more indicator LEDs and a 3,7 V LiPo battery with a 3.3 V voltage regulator, a charging controller and a micro USB port for charging. Before having the first prototype manufactured, if anyone could comment on what I've made so far I'd be very grateful. My aim was to make the whole thing quite small, so I've gone mostly SMD (0603 for capacit
  8. Hello, I've been working on designing a custom PCB for a custom mech keyboard, and I have no clue if I did it right. I have zero experience doing anything like this, and worked following a guide online mostly. Did I wire it correctly, even if it is messy? Did I do some really big mistake? Here are schematics and pictures, and I'll figure out a way to upload my KiCad files here, if that's allowed: https://imgur.com/a/TpA6d64 KiCad Files!
  9. Since the sensor could indicate the geo-graphic North, South, East and West, we humans could also use it at times when required. So in this article let us try to understand how Magnetometer sensor works and how to interface it with a microcontroller like Arduino. Here we will build a cool Digital Compass which will help us in finding the directions by glowing an LED pointing North Direction. This Digital Compass is neatly fabricated on PCB from PCBGOGO, so that I can carry it next time when I go out in the wild and wish that I would get lost just to use this thing for finding my way back home
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