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Comments for “ESP8266 walkie talkie”

I don’t understand the insistence on digital radio. Why not analog?

— Alexis on 16.07.2018 at 17:21 (UTC)

@Alexis Mostly because I kind-of suck in RF design, so premade digital modules are easier :)

And things like echo cancellation and bidirectional communication are much easier to do digitally. Even digital radios don't usually transmit and receive simultaneously because it would disturb the receiver.

— Petteri Aimonen on 16.07.2018 at 18:41 (UTC)

I'm so glad I'm following you on via. feed - super cool project, even though it didn't turn out as you'd expected.

Hm, maybe that's something for Hackaday "Fail of the week"? :-)

https://hackaday.com/category/hackaday-columns/fail-of-the-week-hackaday-columns/

— Phil on 22.07.2018 at 15:06 (UTC)

@Phil, yeah, it is, just got published :)

— Petteri Aimonen on 23.07.2018 at 11:51 (UTC)

Did you try using ESP Now instead of normal Wifi? It's a much shorter protocol, less overhead. Might be better for noise and power usage, not entirely sure about data rate.

— Neo on 23.07.2018 at 15:38 (UTC)

@Neo

No, actually this is the first time I hear about ESP now. Sounds very interesting, but looks like there is no direct support for it in the esp-open-rtos platform yet: https://github.com/SuperHouse/esp-open-rtos/issues/653

— Petteri Aimonen on 23.07.2018 at 17:48 (UTC)