Fresh hacks every day
This quick and easy evaporative cooler might be just the thing the next time the air conditioning goes on the fritz. [Stephen] saw an eBay listing for a personal air conditioner that used a moist sponge and fan to send some cool relief your way. But he wanted to run his own test to see if it really did anything before laying down the cash. The idea is to run air past a moisture source. Some of … [Read more...]
The number one and number two things asked after presentation of our DIYDTG were... "How does it hold up in the wash?" and... "How did you change out the inks?" While we've explained the first several times (regular ink washes out, DTG ink gets a little lighter but survives) we can hopefully answer the second with a tutorial. … [Read more...]
[Aaron] calls this project "Stochasticity". It uses two sponges as a musical interface. The performer wears a wrist strap and then draws on the table with water from the sponge to play different notes. You really need to watch the video to fully understand what's going on here. We're guessing that this is Arduino based since some of his other projects are as well. You can try out another … [Read more...]
Etching a printed circuit board generally takes a bit of time and uses a lot of etchant. [TechShopJim] posted a method that uses a sponge to reduce the amount of etchant used while speeding up the entire process. First, a resist is applied using either a sharpie or the toner transfer method. Using gloves to handle everything, he soaked a sponge in ferric chloride and continually wiped a … [Read more...]
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