>Are you powering this HC-SR04 through the bus? If yes, how much current
does it draw? This current has to flow back through the GND wire and >may
lift the GND level on the far end on long, thin GND wires an substantial
amount, creating communication problems.
>
>Kind regards
>
> Jan
The HC-
Well,
during seven years of usage/testing, I found the DS248x I2C-busmasters
to be the weakest available, especially with long wires..
Therefore I can only recommend to not use them outside a breadboard, a
DS2490/9490 (and many others) do perform much better;
Thats also the reason why I really do
Hi,
Anybody here tried to calibrate the 1-wire temperature sensors
additional to the factory calibration? Only reference I've found sofar
is this one:
http://yosemitefoothills.com/Thermometers/ThermometerCalibrations.html
At the moment I've got 30 DS18B20 measuring inside a glass jar in a
litt
