Radio: MeshTastic GPS Messenger, Open Time of Flight LIDAR, Rowhammering DDR4 with TRRespass

[grarpamp]

https://www.meshtastic.org/
https://news.ycombinator.com/item?id=22540066
An opensource hiking, pilot, skiing, Signal-App-extending GPS mesh communicator
Meshtastic is a project that lets you use inexpensive ($30 ish) GPS
radios as an extensible, super long battery life mesh GPS
communicator. These radios are great for hiking, skiing, paragliding -
essentially any hobby where you don’t have reliable internet access.
Each member of your private mesh can always see the location and
distance of all other members and any text messages sent to your group
chat.


https://github.com/iliasam/OpenTOFLidar
Open Hardware scanning laser rangefinder based on Time-of-Flight
principle. No standalone laser rangefinder modules were used in this
LIDAR, so its schematic and firmware are fully open.


https://www.vusec.net/projects/trrespass/