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Tuya T34 Beken B7231 Flashing via RX/TX Pads—Is Soldering Required?

gandi69 87 1
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  • #1 21737801
    gandi69
    Level 3  
    B7231/tuya T34 flashing

    Do you think there is a chance of easily flashing these?

    By easily I mean for a soldering novice like myself, soldering direct to chip is with it being so delicate beyond my comfortable skill level.
    The blue one I suspect has a high chance of rx/tx pins being presented however the green one I’m not so sure about as there is no silkscreen or labels except the 4 unlabelled pads

    Two PCBs with white rectangular components mounted in the centerTwo RFID PCB modules on a tabletop, one green and one blue, with mounted electronic components.Close-up of a blue PCB with IC chips and SMD resistors and capacitorsClose-up of T34 chip and other electronic components on green PCB
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  • #2 21737904
    p.kaczmarek2
    Moderator Smart Home
    On blue, P10 and P11 are UART1 pins, so you can solder just to pads. Check the guide here:
    https://www.elektroda.com/rtvforum/topic4112776.html
    For green one, it doesn't look good... it seems it has trace fr RXD, but not for TXD.
    Helpful post? Buy me a coffee.
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