CD4017 Decade binary clock kit hits Kickstarter
If you might be on the lookout for an interesting project to maintain you busy you could be all in favour of a brand new binary clock kit launched through Kickstarter this week within the type of the CD4017 Decade. Created by energy grid operator Ian Dunn the kit permits you to solder collectively your very personal CD4017BE Decade Logic Clock, a clock based mostly on the 4000 collection digital logic chips. “The 4017 Logic clock is a clock unlike any other. You may assume that such a clock must use a micro controller. That would be cheating! This clock uses 4000 series digital logic IC’s from start to finish. ”
Early bird pledges are actually obtainable for the not too long ago launched mission from roughly $30 or £22 (relying on present alternate charges). If the CD4017 Decade marketing campaign efficiently raises its required pledge objective and the mission completion progresses easily, worldwide transport is anticipated to happen someday round November 2021. To study extra concerning the CD4017 Decade binary clock mission checkout the promotional video beneath.
“I’ve always wanted to make a binary clock that kept time with digital logic chips and displayed the time with 5mm LED’s. Until now, such a thing did not exist, so I created my own. It wouldn’t be my style to only make a single clock for myself and move on to the next project, so I’ve perfected the design over the last year and it’s now ready to be mass produced. I could sell them one or 2 at a time on the internet, but they would be really expensive to produce in small batches. I’d really like to produce at least 500 clock kits and there’s no better place than Kickstarter to get this project off the ground. I just need your help!”
“It all begins with a 32.768khz crystal oscillator. The oscillator circuit feeds right into a CD4060 14 stage binary ripple counter. This counter divides the output from the crystal by two 14 occasions and outputs a 2hz sq. wave. The 2hz sq. wave continues to be too quick, so it’s fed right into a CD4027BE JK Flip-Flop. The flip flop divides the 2hz sq. wave right into a 1hz sq. wave that’s fed into the primary CD4017BE decade counter, the seconds 1’s.
This decade counter counts up from 0 to 9, then advances the subsequent stage, the seconds 10’s. This rely repeats till the seconds 10’s reaches a rely of 6, and it’s immediately reset to zero whereas concurrently advancing the minutes 1’s digit. The minutes rely as much as 60 precisely the identical because the seconds, resting to zero at 60 whereas concurrently advancing the hours 1’s. The hours 1’s rely as much as 9, then advance the hours 10’s. The hours 10’s advance to 1 or 2, 1 in 12 hour mode, 2 in 24 hour mode. After this, a CD4082 twin 2 enter AND gate detects when the rely has reached 13 or 25, and resets the hours rely to 1.”
For an entire listing of all obtainable pledges, stretch objectives, further media and specs for the binary clock, soar over to the official CD4017 Decade crowd funding marketing campaign web page by trying out the hyperlink beneath.
Source : Kickstarter
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