Building a Receiver With The ProgRock2 Programmable Crystal
https://hackaday.com/2023/04/28/building-a-receiver-with-the-progrock2-programmable-crystal/

Crystals are key to a lot of radio designs. They act as a stable frequency source and ensure you’re listening to (or transmitting on) exactly the right bit of the …read more (https://hackaday.com/2023/04/28/building-a-receiver-with-the-progrock2-programmable-crystal/)

The Nuts and Bolts of Nuts and Bolts
https://hackaday.com/2023/04/28/the-nuts-and-bolts-of-nuts-and-bolts/

If you’re a mechanical engineer, the material covered in this video on the basics of bolted joints probably won’t cover any new ground. On the other hand, if you aren’t …read more (https://hackaday.com/2023/04/28/the-nuts-and-bolts-of-nuts-and-bolts/)

Biomimetic Building Facades to Reduce HVAC Loads
https://hackaday.com/2023/04/29/biomimetic-building-facades-to-reduce-hvac-loads/

Buildings currently consume about 50% of the world’s electricity, so finding ways to reduce the loads they place on the grid can save money and reduce carbon emissions. Scientists at …read more (https://hackaday.com/2023/04/29/biomimetic-building-facades-to-reduce-hvac-loads/)

Alternatives to Pins and Holes For 3D Printed Assemblies
https://hackaday.com/2023/04/29/alternatives-to-pins-and-holes-for-3d-printed-assemblies/

When we have two 3D printed parts that need to fit together, many of us rely on pins and holes to locate them and fix them together. [Slant 3D] has …read more (https://hackaday.com/2023/04/29/alternatives-to-pins-and-holes-for-3d-printed-assemblies/)

Thinking Inside the Box
https://hackaday.com/2023/04/29/thinking-inside-the-box/

Last week, I wrote about NASA’s technology demonstrator projects, and how they’ve been runaway successes – both the Mars rovers and the current copter came from such experimental beginnings. I …read more (https://hackaday.com/2023/04/29/thinking-inside-the-box/)

Building a WiFi Picture Frame With an eInk Display
https://hackaday.com/2023/04/29/building-a-wifi-picture-frame-with-an-eink-display/

LCD photo frames never really caught on — by emitting light, they didn’t seamlessly blend in with a home’s decor in the way printed photos do. [Sprite_tm] decided to see …read more (https://hackaday.com/2023/04/29/building-a-wifi-picture-frame-with-an-eink-display/)

The World’s First Agricultural Right to Repair Law
https://hackaday.com/2023/04/29/the-worlds-first-agricultural-right-to-repair-law/