Hacking Ham Radio for Texting
Cars That Think
NOVEMBER 17, 2021
MicroAPRS , which is an open-source and Arduino-compatible firmware package for DIY packet radio modems. It would need a lot of power, and there's a risk of corrupting the filesystem if you don't do a controlled shutdown, a problem if the battery dies. Rechargeable batteries with a battery-management board would provide the power.
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