I was trying to connect a sensor to my Spider v1.1 via I²C with no success.
I took a look at the schematic and spotted the Problem fairly quickly.
On page 2 the order of the signals connected to the I²C header is specified as follows:
SDA
SCL
GND
3.3V / 5V
However, the Silkscreen, as well as the pin out section on the Wiki page say:
SCL
SDA
GND
3.3V / 5V
And sure enough after swapping the SCL and SDA signals, the sensor worked.
I noticed that the silkscreen labeling has already been fixed with version 2.2.
It would be nice, if the Wiki could be updated to show the correct signal order.
I was trying to connect a sensor to my Spider v1.1 via I²C with no success. I took a look at the schematic and spotted the Problem fairly quickly. On page 2 the order of the signals connected to the I²C header is specified as follows:
However, the Silkscreen, as well as the pin out section on the Wiki page say:
And sure enough after swapping the SCL and SDA signals, the sensor worked.
I noticed that the silkscreen labeling has already been fixed with version 2.2. It would be nice, if the Wiki could be updated to show the correct signal order.