Cathode Ray Oscilloscope

[@innocentmwamba3621]

This is good. Keep it up. Excellent content and well explained

[@InnocentBanda-fm1nb]

Woww Mr Chanda🔥💎‼️

[@starrlightmediazambia7794]

Perfect explanation of CRO.

[@andrewhakacha6678]

thank you for the lesson it was really helpful

[@abrariscapoeira2613]

Thank u soo muchh