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1

I'd try to approach this from a pure software perspective. Since handheld devices can connect to iFit exercise equipment with the iFit app I'd develop an app which talks the same iFit protocol. I'm actually planning to add iFit support to my own mobile application sometimes in the future. I'm looking at the https://github.com/dawsontoth/zwifit repository and ...


4

Based on a datasheet found on Internet (http://www.lanzhi-tech.com/filedownload/99240) it seems that the ATS2815 is a chip that has everything to manage a Bluetooth speaker and, probably, it is inside a lot of different speakers, all with the same interface. According to the datasheet it has "internal ROM and internal RAM for program and data". So, ...


3

You may be right that the firmware is stored on the xt25f08b chip. It's not uncommon for firmware to be stored on a flash chip like that, and I don't see any other storage. One fairly simple way is to attach an 8-pin SOIC clip to the chip while the device is powered off, and read it over SPI. This can be done with a $5 Raspberry Pi and the open source ...


4

I found out what it is it was an Inverting Schmitt trigger


2

I think I'd start with the Raspberry Pi. The reason is that among the pieces you've listed, it's probably the one that has the most available documentation. “The first rule of intelligent tinkering is to save all the pieces.” -- Aldo Leopold Because the Raspberry Pi boots from a MicroSD card, the first thing I'd do would be to make a copy of that card and ...


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