jwr1@kbin.earth to Technology@lemmy.world · 21 days agoThis Tiny Radio Lets Me Send Texts Without Wi-Fi or Cell Servicewww.howtogeek.comexternal-linkmessage-square54fedilinkarrow-up1100arrow-down12
arrow-up198arrow-down1external-linkThis Tiny Radio Lets Me Send Texts Without Wi-Fi or Cell Servicewww.howtogeek.comjwr1@kbin.earth to Technology@lemmy.world · 21 days agomessage-square54fedilink
minus-squareIllNess@infosec.publinkfedilinkEnglisharrow-up2·20 days agoI always thought these were more like walkie talkies for messaging than telephones that you can call anyone. Like it would be good if cell serivce goes down.
minus-squareshortwavesurfer@lemmy.ziplinkfedilinkEnglisharrow-up5·20 days agoThat’s pretty much exactly what they are. Text message in walkie-talkies. With the added benefit that if your friend can’t hear you, but another friend is in between, your message automatically gets relayed through their walkie-talkie.
minus-squareMangoCats@feddit.itlinkfedilinkEnglisharrow-up3·20 days agoIf I wanted to transmit, for example, temperature and humidity from a sensor once every 5 minutes, would the network be willing to carry my signals?
minus-squareRentlar@lemmy.calinkfedilinkEnglisharrow-up7·20 days agohttps://meshtastic.org/docs/configuration/radio/device/ SENSOR is one of the defined device roles. And whether for personal automation or public information, it is a reasonable use case for the network.
minus-squareCorkyskog@sh.itjust.workslinkfedilinkEnglisharrow-up1·20 days agoCan you message random people or have to already know their contact info?
minus-squareRentlar@lemmy.calinkfedilinkEnglisharrow-up3·20 days agoIt is channel-based, using Pre-Shared Keys (PSK). There is a public line where you can message pretty much everyone with the blank PSK.
I always thought these were more like walkie talkies for messaging than telephones that you can call anyone.
Like it would be good if cell serivce goes down.
That’s pretty much exactly what they are. Text message in walkie-talkies. With the added benefit that if your friend can’t hear you, but another friend is in between, your message automatically gets relayed through their walkie-talkie.
If I wanted to transmit, for example, temperature and humidity from a sensor once every 5 minutes, would the network be willing to carry my signals?
https://meshtastic.org/docs/configuration/radio/device/
SENSOR is one of the defined device roles. And whether for personal automation or public information, it is a reasonable use case for the network.
Can you message random people or have to already know their contact info?
It is channel-based, using Pre-Shared Keys (PSK).
There is a public line where you can message pretty much everyone with the blank PSK.