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  • jkabtech 12:17 pm on February 18, 2018 Permalink | Reply
    Tags: , Entry:, , Minimalist,   

    Hackaday Prize Entry: The Minimalist Z80 Computer 

    realized he could build a Z80 microcomputer with $4 worth of parts from everyone’s favorite online auction house. The result is a $4 Z80 home computer, and a great Hackaday Prize entry to boot.

    So, what do he need to build a retrocomputer loaded up with Forth, CP/M, and Basic? A CPU is a necessity, and

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  • jkabtech 8:17 pm on February 15, 2018 Permalink | Reply
    Tags: Entry:, , , , Visioneer   

    Hackaday Prize Entry: Visioneer Sensor HUD 

    Posted in The Hackaday PrizeTagged 2017 Hackaday Prize, assistive technolgy, obstacle avoidance, opencv, pi zero Post navigation← Retrotechtacular: An Oceanographic Data Station Buoy For The 1960sPart Soldering Iron, Part Hand-Held Oscilloscope → One thought on “” Whatnot says:September 28, 2017 at 5:39 pm

    That’s a LOT of processing for a simple RasPi, in fact it’s too much to not be annoying as hell with lag I expect.
    Although, to be fair, the writeup here says ” two cameras, sensors, a Pi Zero” when in fact on a closer look I see it’s 2 Pi Zeros (which you could predict by the mention of 2 cameras).

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  • jkabtech 12:17 pm on February 13, 2018 Permalink | Reply
    Tags: Dehydration, Entry:, , ,   

    Hackaday Prize Entry: Fighting Dehydration One Sip at a Time 

    Humans don’t survive long without water, and most people walk around in a chronic state of mild dehydration even if they have access to plenty of drinking water. It’s hard to stay properly hydrated, and harder still to keep track of your intake, which is the idea behind this water-intake monitoring IoT drinking straw.

    Dehydration is a particularly acute problem in the elderly, since the sense of thirst tends to diminish with age. 

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  • jkabtech 12:17 pm on February 12, 2018 Permalink | Reply
    Tags: Entry:, Flame, , , , Weedinator   

    Hackaday Prize Entry: The Weedinator Project, Now with Flame 

    is building on a previous effort, which was a tractor mounted weeding machine (shown above). It mercilessly shredded any weeds; the way it did this was by tilling everything that existed between orderly rows of growing leeks. The system worked, but it really wasn’t accurate enough. We suspect it had a nasty habit of mercilessly shredding the occasional leek. The new version takes a different approach.

    The new Weedinator will be an autonomous robotic rover using a combination of GPS and colored markers for navigation. With an interesting looking adjustable suspension system to help with fine positioning, the Weedinator will use various attachments to help with plant care. Individual weeds will be identified optically and sent to the big greenhouse in the sky via precise flame from a small butane torch. It’s an ambitious project, but 

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  • jkabtech 8:17 pm on February 11, 2018 Permalink | Reply
    Tags: , Bloodhound, , Entry:, , , Radiolocation   

    Hackaday Prize Entry: Bloodhound Autonomous Radiolocation Drone 

    If you’re a first responder — say, searching for someone lost in the outback, or underneath an avalanche — and you’re looking for someone with a radio beacon, what’s the fastest way to find that beacon? Getting up high would be a good idea, and if you’re using radio direction finding, you’ll want to be able to cover a lot of ground quickly if only to make the triangulation a bit easier. High and fast — sounds like the perfect opportunity for a drone, right?

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  • jkabtech 8:17 pm on August 30, 2017 Permalink | Reply
    Tags: , Entry:, , , , , , , Rechargeable, , Vision   

    Hackaday Prize Entry: The Arduino Powered LED Persistence Of Vision Rechargeable 3D Printed Fidget Spinner 

    created a persistence of vision fidget spinner. This isn’t just any PoV fidget spinner — this is the ultimate in fidget spinner technology. It’s rechargeable, and there’s an Arduino inside. The enclosure is 3D printed. It improves morale. It is everything you ever wanted in a fidget spinner, and it’s the last fidget spinner project

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  • jkabtech 4:17 am on August 6, 2017 Permalink | Reply
    Tags: Entry:, , , Sprinkler   

    Hackaday Prize Entry: Pan And Tilt Sprinkler 

    There are a few very popular irrigation systems entered into this year’s Hackaday Prize. In fact, last year’s winner for the Best Product portion of the Prize was the Vinduino, a soil moisture monitor for vineyards. Most of these irrigation systems use drip irrigation or are otherwise relatively small-scale. What if you need something a little more powerful? That’s where

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  • jkabtech 1:51 am on July 20, 2017 Permalink | Reply
    Tags: Entry:, Fires, Forest, , ,   

    Hackaday Prize Entry: Watching Out for Forest Fires 

    lives in South Africa where wildfires are a major problem. Every year, humans and animals are killed, crops are destroyed, and property is lost. The FireBreakNet project aims to deploy wireless environmental sensors that alert farmers, park rangers, and emergency personnel when fires break out.

    According to

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