025 We use Baofeng's "heart" for Our Projects (SA818, DRA818)

Most of us own a Baofeng. It is cheap and does the job. What would you say if we could transplant its “heart” and combine it with a Raspberry Pi or an ESP32? We would get a dirt cheap and compact device for all sorts of analog and digital modes.

Links:
SA818: https://s.click.aliexpress.com/e/_DCp... ((write VHF/UHF in order))
SA828 Walkie-Talkie on aboard: https://s.click.aliexpress.com/e/_DCp...
SA868 2W: https://s.click.aliexpress.com/e/_Dep... (write VHF/UHF in order)
RT85 Handheld: https://s.click.aliexpress.com/e/_DDg...
Used Board: https://github.com/digixx/VHF-UHF-Mod...
RDA1846S datasheet: http://bit.ly/3tscO6A

Build-a-Pi: https://github.com/km4ack/pi-build
OH2LAK: https://oh2lak.blogspot.com/2017/06/e...
HamVoip: https://hamvoip.org/hamradio/818_tran...
SA818 software: https://0x9900.com/programming-the-ra...
AT commands: https://f4hok.wordpress.com/2020/03/1...
Arduino Library: https://github.com/darkbyte-ru/SA818
MAX9814 datasheet: https://datasheets.maximintegrated.co...

Shari project: https://kitsforhams.com/shari
Shari Hotspot knock-off: https://s.click.aliexpress.com/e/_Dkx...
SA818 Datasheet: https://dmr.md/upload/uploads/SA818-1...
DireWolf/Xastier intro:    • Direwolf - From the beginning  to APRS  
Voltlog's SA818 hat:    • Get Almost Unlimited Range With This ...  
Filter Datasheet: https://www.minicircuits.com/pdfs/LFC...

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