I got the Si1143 out and was going to play around with it. But I am confused by the quick-start guide (page 2) in the paralax PDF it says to wire up like the diagram. Under the popeller paragraph says
For the Propeller P8X32A, Vdd is 3.3 VDC, and The microcontroller pins P0, P1, and P2 match the
Propeller I/O pins used in the Spin example code.
The stamp says
For the BASIC Stamp 2, Vdd is 5 VDC, and R is 4.7 kΩ. The microcontroller pins P0 and P1 match BASIC
Stamp I/O pins used in the PBASIC example code. Omit the P2 connection to the device’s INT pin.
It does not give any resistor Info for the propeller. Does it not need it because VDC is 3.3 V? Or if it does what value should they be?