হ্যাঁ না স্পিরিট বক্স - ভূতের বাক্স হ্যাঁ বা না উত্তর দিচ্ছে৷
YesNo Spirit Box - ghost box answering yes or no. It is assumed that spirits can act on electromagnetic fields - for this there is a mode with a magnetometer, and on reality in general - for this there is a mode with a random number generator.
Designed for researchers of the paranormal. This is a tool, not a toy.
The principle of operation - start, ask a question out loud, press the pentagram. After that, the application measures the changes in the electromagnetic field or the coincidence of random numbers from the random number generator and issues a response.