can you give the eagle file ? I'm a beginner on eagle and i think I can learn a lot of thing with your files
I think you could use a charliplexing and one of these attiny with 14pins to make a smaller watch and reduce the power used by a big atmega
I saw attiny with native i2c but I'm not really sure.however, Maxim integrated has RTC chip with 1 wire communication which is (I heard) easy to use
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Amazing, Can you please add some comments on your code, it is very hard to understand :)
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I don't know how he's doing, but you can do it with a Marx generator
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I have trouble with the voltage output, the potentiometer is really sensitive and it's very hard to have 5v or 3.3v.So I searched in the datasheet and find this equation:Vo=1.25 (1+R/240)Where R is the potentiometer.So I drew the curve (see the picture)Then, this is my question, why using a 10k potentiometer to adjust Vo from 1.5v to 8v?A 2k potentiometer seems better for this application.
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yeah ! however there are a lot of other amazing GR like the GR20, the GR52 or the GR100 !I really want to do the "traversée du Mercantour (GR52)" this summer :)+ Very nice photograph, it's beautiful !
for hiking in France, look at the "GR"
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it's very interesting for beginners in weldingThere is electronic diagram to reflect about the system operations ?
really cool !
where do you find your 18650 ?
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woohamazingI must try it one day
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wooohit's look like a bit dangerous, no ?
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beautiful project.however, do you think it's possible to change pizero/Arduino by a NodeMcu v3.0 ?it will be cheaper, will use less space and power.
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oh ok :Dmay be I'll try it one day,and I would post the pictures here of course.
hello, it is a great project.do you think it's possible to change the 74HC595 by a charlieplexing ?https://en.m.wikipedia.org/wiki/CharlieplexingIt could reduce the size of the card and lower the price. However, programming will be more complicated. :)
And, could you put a picture of the card with the LEDs on? Pleaaaaase :)
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