Sir. You are saying that in your video that passive transducer supply not required, and active transducer supply required. Are you sure. Please clarify once again.
Chek karne ka tarika nahi bataya ki use chek kiya jata he. Multimeter se kitne valueshore hoga hua kuchh bataya nahin aapane vah bataya tu To jyada achcha rahata Kaun se y par kitni value aani chahie red green black ya white