S shokjok Member Jan 28, 2021 #2 The resistor feeding the LED at the 5-volt output should be 470 or 560 ohms. I'll try my PC817 optos to see if 0.8 volts turns it on.
The resistor feeding the LED at the 5-volt output should be 470 or 560 ohms. I'll try my PC817 optos to see if 0.8 volts turns it on.
F fourtytwo Active Member Jan 29, 2021 #3 Woww no primary snubber BUT what is the OP's question ?????????? Ohh I see, it's in the form of a vote..... Let's start with where on earth did you get the circuit ?
Woww no primary snubber BUT what is the OP's question ?????????? Ohh I see, it's in the form of a vote..... Let's start with where on earth did you get the circuit ?
gophert Well-Known Member Most Helpful Member Jan 29, 2021 #4 What material, diameter and length of the core? and the Asterisk(*) in the image says there is a video, where is it? And how clueless was the anyone to mistake a 260k ohm for 2.6 ohm
What material, diameter and length of the core? and the Asterisk(*) in the image says there is a video, where is it? And how clueless was the anyone to mistake a 260k ohm for 2.6 ohm