Fresh hacks every day
When working with chemical reactions it may be necessary to test the purity of the components you're using. This is especially true with hobby chemists as they often acquire their raw materials from the hardware store, garden center, or pool supply. [Ken] figured out how to get around the $500 price tag of a commercial unit by building this DIY melting point test apparatus. In this image he's … [Read more...]
Whether you take it as a single shot or a double, a great Barista want's to know the details on what's happening with the espresso machine. [Tobi] was happily generating the morning cup when he realized that the needle-thermometer on his machine wasn't working any longer. Instead of shelling out a lot of money for a direct replacement, he built his own display and controller for this espresso … [Read more...]
Since we are in the midst of featuring a wide assortment of ATtiny hacks, [Kenneth] wrote in to share a project he has been developing over the last few months, the SerialCouple. Most all development platforms have the ability to function as an analog to digital converter, but you don’t always need a full-featured board when all you require is serial output for your computer. With his … [Read more...]
Add to you bench tools by building this hot air reflow station. [Tobi] had a difficult time and was getting frustrated with the reflow oven he was building. He ditched that and set out on this project after drawing inspiration from a hot-air pencil project. Pictured above is the business end of the device. On the right you can see the tubing that delivers air from an aquarium pump. At the … [Read more...]
[mightyohm] put together a nice piece of lab kit. It's a PID controlled hot plate. The plate is capable of reaching 500F, hot enough to do SMD reflow soldering. The large chunk of metal has a hole drilled through the center to contain a cartridge heater. A thermocouple is used to monitor the temperature of the plate. Ceramic standoffs separate the plate from the rest of the device, but he still … [Read more...]
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