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  • tobajas commented on arpruss's instructable Mindflex EEG with raw data over Bluetooth1 week ago
    Mindflex EEG with raw data over Bluetooth

    Hi, i'm experiencing the same problem ... when i use putty in order to see the received bytes, what i see is that, after a perior of time receiving the correct patter for raw mode, i started receiving just bytes containing 0xE0 or 0x00 values ... any clue about where the problem is? thanks. please help!000004c0h: 80 02 FF A3 DB AA AA 04 80 02 00 A6 D7 AA AA 04 000004d0h: 80 02 01 F3 89 AA AA 04 80 02 03 49 31 AA AA 04 000004e0h: 80 02 01 D0 AC AA AA 04 80 02 FE FE 81 AA AA 04 000004f0h: 80 02 FE BF C0 AA AA 04 80 02 00 6C 00 E0 E0 E0 00000500h: 00 E0 E0 E0 00 00 00 00 00 00 E0 00 00 00 E0 00 00000510h: 00 E0 E0 E0 00 00 E0 00 00 E0 E0 E0 E0 E0 E0 00 00000520h: 00 E0 00 00 E0 E0 E0 00 00 E0 00 00 E0 E0 00 E0

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  • tobajas commented on arpruss's instructable Mindflex EEG with raw data over Bluetooth1 week ago
    Mindflex EEG with raw data over Bluetooth

    Hi again!... i just developed a code for a Photon device from Particle to register the raw values from mindflex @57600, by following your hacks, and after sending the command byte, i started receiving raw data packets correctly, but after 5 o 6 packets, it starts giving checksum errors, and eveything goes wrong ... as you can see on the following portion of the log messages:latestByte: AAlatestByte: AAPacketLength: 4latestByte: 80latestByte: 2latestByte: 3latestByte: 80latestByte: AAERROR: Checksum: 170 250[128, 2, 3, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...Do you know where the problrm can be? ... i've not using any optoacoplator between mindflex and the Photon device. Thanks a lot for your help.

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  • tobajas commented on arpruss's instructable Mindflex EEG with raw data over Bluetooth1 month ago
    Mindflex EEG with raw data over Bluetooth

    Hi arpruss, thanks a lot for yor answer. I was thinking about using SunFounder Bluetooth 4.0 HM-10 module ... do you think it will be a valid option?. thanks again.

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  • tobajas commented on arpruss's instructable Mindflex EEG with raw data over Bluetooth1 month ago
    Mindflex EEG with raw data over Bluetooth

    Hi!, thanks a lot for your project! ... which alternative modules could i use in order to make it BLE compatible? thanks again.

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