Tag Archives: arduino

Arduino RTClib explained

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One of the main functionalities of the clock will be… suprise surprise, keep track of time!

For this task we’ll interface with a DS1307 RTC using the RTClib. You can just include that library and forget how it works. But that’s not the way this blog works. Let’s dive a little deeper.

How arduino RTClib works

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Arduino Clock wiring

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Before any soldering or programming happens at all, I’ll need to have a general idea of what connects where.

This post presents the schematic for the Secret Santa Clock and a quick explanation of each “module” of the system. Everything from a bird’s-eye perspective that is enough for you to reproduce it.

show me the schematics

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Arduino Clock Project (Overview)

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Back in business, I am alive and well, and working in an embedded software company.

For Christmas we play “secret Santa” with my family, and this year I was going to take the crown home with me. We only have one rule, and this is: “you have to do it yourself”.

I had some spare parts from past projects (or tinkering) and a rough idea of what to do: a calendar clock. And here we have the first post describing how I created the clock.

This post is just the overall design. Kind of an overview of what the clock will do, for more “meaty” content stay tuned, I plan on writing posts about each aspect:

  • Wiring the DIY clock.
  • A 3×3 font for LED matrix displays.
  • Programming the DIY clock.
  • Arduino and tinyRTC
  • Arduino and 4 led matrices
  • Arduino clock software
  • Casing the DIY clock.
  • As you can see, I am mostly software oriented (as usual :-D)

    check out the design overview

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