Redstone Power Sensor

A Redstone Power Sensor would be a new block similar to an observer which can detect the presence of a redstone charge at a distance in blocks of up to the Redstone charge being detected. It would output a redstone charge of [Detected Charge] - [Block Distance] + 1 at the block behind itx. It would only detect Redstone charge in a redstone component or redstone dust in one of the 15 blocks directly in front of its front face. It can be placed so as to face in any of the 6 directions.

This block would be movable by pistons. It would emit its detected signal at the block behind it.

If it was fed a redstone signal from one side, it could optionally rotate 90°clockwise around the axis of the incoming Redstone signal on the rising edge. Optionally, it could rotate back on the falling edge of the signal, or remain in place.

This block would allow both wireless and overlapping redstone signal transmission, and allow complex switching.

I.e. it could detect a redstone charge of 15 at 15 blocks distance, or a redstone charge of 1 at 1 block distance. It would also solve the downward transmission of Redstone signal problem.

Optionally, it would also detect a player or other entity holding a block of Redstone If they walked in front of the sensor.