FLOSS Weekly Episode 777: Asterisk — Wait, Faxes?
https://hackaday.com/2024/04/03/floss-weekly-episode-777-asterisk-wait-faxes/

This week Jonathan Bennett and David Ruggles sit down with Joshua Colp to talk about Asterisk! That’s the Open Source phone system software you already interact with without realizing it. …read more (https://hackaday.com/2024/04/03/floss-weekly-episode-777-asterisk-wait-faxes/)

A NanoVNA as a Dip Meter
https://hackaday.com/2024/04/03/a-nanovna-as-a-dip-meter/

A staple of the radio amateur’s arsenal of test equipment in previous decades was the dip meter. This was a variable frequency oscillator whose coil would be placed near the …read more (https://hackaday.com/2024/04/03/a-nanovna-as-a-dip-meter/)

Make A GPS Antenna Compatible With Same Manufacturer’s Receiver
https://hackaday.com/2024/04/03/make-a-gps-antenna-compatible-with-same-manufacturers-receiver/

Screenshot
" data-medium-file="https://hackaday.com/wp-content/uploads/2024/03/hadimg_symmetricom_gpsant_feat.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/03/hadimg_symmetricom_gpsant_feat.jpg?w=800">GPS can be a bit complex of a technology – you have to receive a signal below the noise floor, do quite a bit of math that relies on quantum …read more (https://hackaday.com/2024/04/03/make-a-gps-antenna-compatible-with-same-manufacturers-receiver/)

A Fun Exploit For Canon Printers Brings GDB Gifts
https://hackaday.com/2024/04/04/a-fun-exploit-for-canon-printers-brings-gdb-gifts/

Modern printers make it all that much more tempting to try and hack them — the hardware generally tends to be decent, but the firmware appears to be designed to …read more (https://hackaday.com/2024/04/04/a-fun-exploit-for-canon-printers-brings-gdb-gifts/)

Amazon’s ‘Just Walk Out’ Shopping is Out, Moves to Dash Carts at Its Grocery Stores
https://hackaday.com/2024/04/04/amazons-just-walk-out-shopping-is-out-moves-to-dash-carts-at-its-grocery-stores/

After a few years of Amazon promoting a grocery shopping experience without checkout lines and frustrating self-checkout experiences, it is now ditching its Just Walk Out technology. Conceptualized as a …read more (https://hackaday.com/2024/04/04/amazons-just-walk-out-shopping-is-out-moves-to-dash-carts-at-its-grocery-stores/)

Where Graph Theory Meets The Road: The Algorithms Behind Route Planning
https://hackaday.com/2024/04/04/where-graph-theory-meets-the-road-the-algorithms-behind-route-planning/

Reduction of a physical map to a graph.
" data-medium-file="https://hackaday.com/wp-content/uploads/2024/03/map_reduction_to_graph.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/03/map_reduction_to_graph.jpg?w=678">Back in the hazy olden days of the pre-2000s, navigating between two locations generally required someone to whip out a paper map and painstakingly figure out the most optimal route …read more (https://hackaday.com/2024/04/04/where-graph-theory-meets-the-road-the-algorithms-behind-route-planning/)

How Much Thrust Is Your Prop Really Making?
https://hackaday.com/2024/04/04/how-much-thrust-is-your-prop-really-making/