Collaborate Disseminate
[InazumaDenki] wanted to answer the question: can you drive a motor with an audio amplifier chip? The answer, of course, is yes. The TDA7052 has a single input, and a …read more Continue reading Driving a Motor with an Audio Amp Chip
Normally, 3D printing with filament takes temperatures of around 200 °C. However, there are some crafting plastics that melts in hot water at 60 °C. You can get spools of …read more Continue reading 3D Printing at 100C
Many people, one way or another, got started programming computers using some kind of Basic. The language was developed at Dartmouth specifically so people could write simple programs without much …read more Continue reading The End of Basic?
One of the things missing from the “classic” Arduino experience is debugging. That’s a shame, too, because the chips used have that capability. However, the latest IDE has the ability …read more Continue reading This Arduino Debugger Uses the CH552
Browsing the Asian marketplaces online is always an experience. Sometimes, you see things at ridiculously low prices. Other times, you see things and wonder who is buying them and why …read more Continue reading Cheap LCD Uses USB Serial
If you’ve ever thought about launching a high-altitude balloon, there’s much to consider. One of the things is how do you stream video down so that you — and others …read more Continue reading Balloon-Eye View via Ham Radio
DaVinci’s notebook — the real one, not the band — was full of wonderous inventions, though many were not actually built and probably weren’t even practical with the materials available …read more Continue reading Bringing Da Vinci’s Saw Mill to Life
When you think of electric motors, you usually think of magnets. But magnets are heavy, and good magnets can pose problems when you need lots of them. A technology called …read more Continue reading New Electric Motor Tech Spins with No Magnets
Surge protectors are a common item in the modern household, but the Meanwell unit that [Big Clive] tears apart was clearly intended for commercial use. In fact, he mentions it was …read more Continue reading Industrial Surge Protector Teardown
If someone stops by and asks you to help them make some noisy thing less noisy, you probably wouldn’t reach for a roll of tape. But [The Action Lab] shows …read more Continue reading Tape is Very, Very Quiet