Hydroponic systems are an increasingly popular way to grow plants indoors using a minimum of resources. Even some commercial farming operations are coming online using hydroponic growing techniques, as these …read more (https://hackaday.com/2022/10/31/a-single-watt-hydroponic-lighting-system/)

Moving Big Stuff Without The Tears
https://hackaday.com/2022/10/31/moving-big-stuff-without-the-tears/

It’s something that has probably happened to more than one of us over the years, there’s an unmissable opportunity at the machinery auction or on eBay, with the small snag …read more (https://hackaday.com/2022/10/31/moving-big-stuff-without-the-tears/)

Need an USB-I2C Adapter? Use Your Pico!
https://hackaday.com/2022/10/31/need-an-usb-i2c-adapter-use-your-pico/

Given its abundance and simplicity, the RP2040 has no doubt become a favourite for USB peripheral building – in particular, USB-connected tools for electronics experiments. Today, we see one more …read more (https://hackaday.com/2022/10/31/need-an-usb-i2c-adapter-use-your-pico/)

Europe’s Energy Squeeze Pushes Large Hadron Collider To Halt Operations
https://hackaday.com/2022/10/31/europes-energy-squeeze-pushes-large-hadron-collider-to-halt-operations/

Energy prices have been in the news more often than not lately, as has war. The two typically go together, as conflicts tend to impact on the supply and trade …read more (https://hackaday.com/2022/10/31/europes-energy-squeeze-pushes-large-hadron-collider-to-halt-operations/)

Dropping Marbles With Millisecond Accuracy
https://hackaday.com/2022/10/31/dropping-marbles-with-millisecond-accuracy/

[Martin] of the band [Wintergatan] is on his third quest to build the ultimate musical marble machine, and that means dropping marbles with maximum reliability and precision timing. Working through …read more (https://hackaday.com/2022/10/31/dropping-marbles-with-millisecond-accuracy/)

3D Printed Strain Wave Gearbox
https://hackaday.com/2022/10/31/3d-printed-strain-wave-gearbox/

3D-printed gearboxes are always an interesting design challenge, especially if you want to make them compact. [ZeroBacklash] created a little strain wave gearbox (harmonic drive) for when you want to …read more (https://hackaday.com/2022/10/31/3d-printed-strain-wave-gearbox/)

Lighting Up Glue Stick Bicycle Tyres With RGB
https://hackaday.com/2022/10/31/lighting-up-glue-stick-bicycle-tyres-with-rgb/

Being visible to motorists is a constant concern for cyclists, but we doubt [The Q] will have this problem with his RGB LED illuminated tires made from glue sticks. The …read more (https://hackaday.com/2022/10/31/lighting-up-glue-stick-bicycle-tyres-with-rgb/)