- Joined Dec 6, 2023
hi. I have a question while studying a adjustable constant current circuit.
The circuit above is a reference from YouTube(ZAFER YILDIZ). [
I tried configuring the circuit and it works well. But I'd like to add a few things.
1. I want to connect it to Arduino and turn it on/off with a signal.
I disconnected Q1-R3 and applied the N-Ch Mosfet switching circuit.
It doesn't work. What should I do.
2. When the 1K Potentiometer is set to minimum (0R) and the LED is connected
A small amount of current flows. Is there any way to prevent this?
3. Is it possible to operate by changing the potentiometer to an I2C type dgital potentionmeter?