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Messages - Lordoftheflies1

1
Project logs / Re: PIC24 Bedside Table Alarm Clock
I'm retired now and am living in Cancun, Mx, so when i searched eBay, i had it selected to only show sellers who ship to Cancun, MX. That's why I didn't see hardly any sellers lol 

Thank you for the link, I ended up breaking down some old electronics from the pawn shop down the road to get the pieces i needed 

We're very happy living down south but it's such a hassle to get products and items I need for my hobbies!
2
Project logs / Re: PIC24 Bedside Table Alarm Clock
[quote author="neslekkim"]I quess the two similar posts there are just spam :)
But hey, I liked those retro transistor look![/quote]

Well considering i've already handbuilt my alarm clock and gave it as a gift to my wife, I can hardly say I don't continue through with what I say I will do.

Thanks buddy, kinder words should be chosen next time.
3
Project logs / Re: PIC24 Bedside Table Alarm Clock
Quote
This is great Markus, I've always wanted to make my own alarm clock. I've been giving this a go over the past few days but my clock doesn't dim in the dark. Maybe my photo transistor is broken. Where did you get yours?

Quote from:
Another year, another clock, but for the first time for my alarm clocks [1][2][3] I am not using an MSP430 but a PIC24 instead.  Standby current is with 5.5 µA only slightly higher than that of my MSP430 based ones.  Time keeping is done using the RTCC pheripheral, which I also used for the first time.

It can be seen in action in this YouTube video:
Friendly green digits :)

And of course it has a LiFePO4 battery on its back, being charged every few years using my new USB charger [4].

A photo transistor is also included to dim the display in the dark.  Much nices to the eyes when checking what time it is in the middle of the night.

Here's a picture from the front side:

[attachment=3]
And here is the wiring on the back side:

I quite like this plexus review.

[attachment=2]
A crude schematic:

[attachment=0]
As always, please find the source code attached.

Have fun,
Markus

Markus, this is the perfect homemade gift for my wife's birthday later this month! (She's an electric engineer). I think I'll use an MSP430 but I don't know where to find a photo transistor... I'm searching eBay to little avail

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