this post was submitted on 11 Feb 2024
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I saw this on Mastodon the other day and started digging into it. Seems like a really cool project although the chip they used appears inferior to the ESP32? I found a few similar projects based on the ESP32 but they seem to be limited to wifi/bluetooth captures only with the possibility of other options if you swap out the firmware. This makes me question why the ESP32 with 4MB of flash cannot do much more than the Flipper Zero with its 1MB of flash and a CPU that runs at 1/3 the speed (or less) and only a single core? Anyone have some ideas, and/or have seen other open projects based on the ESP32 that do all and more that the Flipper Zero can do?
You're comparing a microcontroller to a purpose built device. Its apples and oranges.
There are add ons to the flipper that incoporate an esp running maurader firmware for wifi tools
Yeah I saw there was the add-on board for wifi testing, but it seemed like this plugs in externally and isn't a normal part of the toolkit? So if the Flipper itself isn't performing the wifi test then I guess I don't see why the ESP32 couldn't just add in everything else the Flipper does? All the other hardware I saw, for IR, NFC, RFID, and one-wire connections... that could all easily also be added to the ESP32 with pins to spare, so what am I missing?
…the same reason you don’t see Sony releasing every PS5 with a dev board. Of course you can extend the ESP32 or whatever microcontroller to do anything the Flipper can. That’s obvious. Go search around on GitHub there are thousands of projects you can do with the ESP32 that will have the FBI making a personal visit to your house. The whole point of the Flipper is it’s turnkey and makes it easy for people that are less skilled or don’t have the patience to do all that.
Gotcha. Yeah I have plenty of experience with getting circuit boards made and even working with SMD parts (actually working on some boards right now) so I tend to forget that not everybody just has this stuff lying around. Maybe the hardware is the limitation preventing a lot of ESP-based clones of flipper from being available out there.