Yes, this is doable. Assemble this (Photon + RS232 TTL connector): Serial Tutorial (scroll down to 'Interfacing with RS232 Devices'). You might have to set up 2 of these (one per scale).
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Yes, this is doable. Assemble this (Photon + RS232 TTL connector): Serial Tutorial (scroll down to 'Interfacing with RS232 Devices'). You might have to set up 2 of these (one per scale).