25-01-2015, 21:19
Yes, I know the SHT25 is an IC2 device which can only be connected by a very short cable. I read the Sensiron datasheet which says "Carrying the SCL and SDA signal parallel and in close proximity (e.g. in wires) for more than 10cm may result in cross talk and loss of communication."
It goes on to say, though, "This may be resolved by routing VDD and/or VSS between the two SDA signals and/or using shielded cables." Even so, I really wouldn't want to use even a metre long cable.
So before constructing anything, I think I should begin planning my whole setup and carefully consider exactly how and where I place the Tx unit and sensors - and how they are connected too!
Thanks for the advice and information, I appreciate it.
Allan.
It goes on to say, though, "This may be resolved by routing VDD and/or VSS between the two SDA signals and/or using shielded cables." Even so, I really wouldn't want to use even a metre long cable.
So before constructing anything, I think I should begin planning my whole setup and carefully consider exactly how and where I place the Tx unit and sensors - and how they are connected too!
Thanks for the advice and information, I appreciate it.
Allan.