Practical part of Short Range Devices. After briefly looking at the receiver diode I had the right idea: Using a fine blade to cover the infrared receiver (RX) and remove the silver metal frame of the receiving diode (bend and pull) the swallows too much energy. Simply put the rest back into the housing and push. That's it, now that part works up to 10 meters and without direct orientation (at least with white ceilings and walls.
