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I decide to start a new subject for this, because I just figured out the problem
with my US sensor. Thanks to Philo advice, i did easily open the sensor and I
found this broken wire connection.
So, when I connect this wire in the place it seems to belong, the US sensor
start to measure the distances as expected, but when i get near from some object
(9- inches), the measure get a little wrong (+/- 1 inch difference), and it
never measure anything beneath 3 inches (even if the sensor is just touching the
wall).
I am concerned if i am doing the right connection, or if the US sensor really
has this tolerance (I belive not, but you never knows...)
If anybody could tell me if this difference is expected, or if anybody already
opened the sensor, please let me know if the wire connections are right.
In the URL bellow is a simple diagram of the circuit board, and the indicative
of all the wire connections, and also showing the broken connection.
http://www.tdi-ng.com.br/patrick/lego/internals/us/us_board.gif
Thanks everybody.
Patrick
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