Created with ezgif.com GIF maker
" data-medium-file="https://hackaday.com/wp-content/uploads/2021/08/2021-08-09-Air-filter-feat.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/08/2021-08-09-Air-filter-feat.jpg?w=800">The “razor and blades model” probably set a lot of young hackers on their current trajectory. If we buy a widget, we want to pick our widget refills instead of …read more (https://hackaday.com/2021/08/28/clearing-the-air-about-proprietary-consumables-with-a-xiaomi-filter-drm-resetter/)

Turning Heat into Electricity
https://hackaday.com/2021/08/28/turning-heat-into-electricity/

You don’t really create energy, you convert it from one form to another. For example, many ways that we generate electricity use heat from burning or nuclear decay to generate …read more (https://hackaday.com/2021/08/28/turning-heat-into-electricity/)

IRC Server for MS-DOS
https://hackaday.com/2021/08/28/irc-server-for-ms-dos/

The recent flurry of projects based around Internet Relay Chat (IRC) should be a fair indication that the beloved protocol is not going anywhere. Now, thanks to [Mike Chambers], you …read more (https://hackaday.com/2021/08/28/irc-server-for-ms-dos/)

1949 Gyroscope Spins Up Again
https://hackaday.com/2021/08/29/__trashed-23/

[Curious Marc] has an Apollo-era gyroscope but isn’t quite ready to put it through this paces without some practice. So he borrowed a 1949 vintage Sperry C5 gyro and did …read more (https://hackaday.com/2021/08/29/__trashed-23/)

The Curious Case Of The Radio Amateur And The Insulin Pump
https://hackaday.com/2021/08/29/the-curious-case-of-the-radio-amateur-and-the-insulin-pump/

A substantial part of gaining and holding an amateur radio licence relates to the prevention of radio interference. In days past this meant interference to analogue television broadcasts, but with …read more (https://hackaday.com/2021/08/29/the-curious-case-of-the-radio-amateur-and-the-insulin-pump/)

DIY Machine Enables PEMF Therapy on a Budget
https://hackaday.com/2021/08/29/diy-machine-enables-pemf-therapy-on-a-budget/

We’re certainly not qualified to say whether or not pulsed electromagnetic field (PEMF) therapy will actually reduce your stress or improve your circulation, but there seems to be enough legitimate …read more (https://hackaday.com/2021/08/29/diy-machine-enables-pemf-therapy-on-a-budget/)

Clever Mechanism Easily Automates Pulling the Blinds
https://hackaday.com/2021/08/29/clever-mechanism-easily-automates-pulling-the-blinds/

There are few things that we all can agree we hate, and the shrill of your alarm clock waking you from a wonderful slumber is definitely high on that list. …read more (https://hackaday.com/2021/08/29/clever-mechanism-easily-automates-pulling-the-blinds/)