I am connecting 12v to the collector of bc17 ,Is it Okay ?will the bc17 optocoup...

are there any issues in this project?

explain this project.

if the pin 1 of J3 is given a high signal from esp32. Now, pin 1 of J2 is connec...

Are C1 and C2 right capacitors for decoupling according to the specifications of...

is the connections of Q3 is correct , will it completes the Q1 collector to emit...

give me a suitable diode for these relay coil protection.