Monthly Archives: May 2016

Minimal MQTT: Control and Clients

So you’ve built a central server and filled your house with WiFi-connected nodes all speaking to each other using the MQTT protocol. In short, you’ve got the machine-to-machine side of things entirely squared away. Now it’s time to bring the … Continue reading

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DIY Vein Finder Shows you Where to Stick It

Everyone who’s donated blood, gotten an intravenous (IV) line put in, or has taken a blood test knows that little bit of anxiety before the needle goes in. Will this be a one stick operation, or will the phlebotomist do their impression of drilling for … Continue reading

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SmokerDuino V2

They say "low & slow is the way to go". I had built a simple Smoker controller in a previous instructable. For V2 it’s time to go big. I had posted a Wifi Meat Thermometer here before. I figured why … Continue reading

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Roy Underhill’s Double Spring Pole Lathe

Can a portable, foot-powered lathe make a believer out of you? by Roy Underhill pages 22-29 Wood turning on a spring pole lathe is all about reciprocation, all about back and forth. For example: Q: “Don’t you get tired of … Continue reading

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Super Strong 3D Component Carbon Fiber Parts

[prubeš] shows that parts printed with carbon fiber filament are as strong, or at least as stiff, as you’d expect. He then shows that his method for producing carbon fiber parts with a mixture of traditional lay-up and 3D printing is … Continue reading

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DIY highly adaptable Belt Grinder

This instructable is ment for people with experience in engineering.We used the following machines to make our belt grinder:Welding machineLaser cutter (wooden wheel and pulley)Milling machineBelt sawLatheAngle grinderIt is also possible to build the belt grinder using less machinery, but … Continue reading

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Minimal 433 MHz Web Home Automation

How minimal can a decent home automation setup be? If you need an HTML frontend, you’re going to need a webserver. An ESP8266 will do the trick. And then you need to be able to control your electronics. The cheapest … Continue reading

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