It's pretty well the poorest circuit you could find - you could only make it worse by losing the FET and using a low value pot.ran across this schematic and thinking of incorporating into my next sign PCB.
QUESTION maybe a 1K resistor before the gate to protect the gate?
Planning on using a smd pot
Use their dimmer, presumably it costs hardly anything? - it will be a 'proper' one, not like the crap one from circuits-diyafter some research, the most the mosfet will have to handle is approx 5 watts.
The pot will be hard wired to the PCB. The company selling the LED/neon rope lights has a dimmer that can be used. Will consider
Then consult google - they are available for less than £2 - even remote control ones are stupidly cheap.they want $39 for a dimmer
It's considerably cheaper to buy one ready made for less than £2 - but it's trivial to make a PIC based one.It dawned on me that the 18f2221 chip I am going to use has several PWM pins.
Now to experiment with PWM.
After researching the data sheet I see the 18F2221 has 5 PWM outputs.
YepIs it Ground Hog day again?
Is it Ground Hog day again?