The only difference is the quantity of flip flops and the lack of a preset pin, but neither of these differences matter.
Building your own decoder is something you do NOT want to do. A quick search yields:...
Now you're getting to the point that you're best bet is to use a microcontroller. Doing it in hardware is a neat excercise but it will become a...
I dunno....$5-15 maybe? You would need something like a 1:10 transformer to get your 120 VAC to about 12 VAC. Then a rectifier will give you...
You other choice is to buy a 5v "wall wart" that does all of that for you.
If you use my circuit, it only does 00 -> 01 -> 10 -> 00 -> 01 -> etc.
Yeah, that's the problem. Unless you've already got the stuff for programming pics then it's not really worth it just for this. However, if you...
That's just a matter of switching which is which input on my circuit (swap what goes to T1 with T3) and you get off -> 5 -> 12. "resistor...
That's a detail since the hard part is the control. Could easily flip things around and use pmos or use some diodes... No difficulty since I...
JPG PNG R7, R9, R10, R11, & R12 are fans with R8 is chosen such that only 5 (or whatever) volts is across the fans. Pushing the button...
Re: Re: Re: Negative Ionizer question: Can i power it with 12V DC? So it would be a very bad idea to remove the resistors and use large...
Since that schematic shows 220 VAC input, I seriously doubt you can use DC to do it. I don't understand why you don't just use.....220 VAC. Even...
GFI only protects if there is a current-mismatch between lines meaning current in does not equal current out. Which happens if you drop a hair...
Unless your power supply is horrible, it should either shut off after being shorted or it will be current limited. A short on the output of a PSU...
Care to explain?
Just get two potentiometers, a male 1/8", and a female 1/8", some wire, and a little solder. Since you're wanting to do volume control, I would...
You can use the 4017 and use the /10 output to get a 1:10 reduction. You could use a binary counter to get 1:2, 1:4, 1:8, or 1:16 reduction. In...
You want something that will make the faster pulses less fast? As in like you want to make two pulses become one pulse? In order to answer you...
Well to define *exactly* how fast it can go is not clear-cut. So make a guess as to what you think it will be. 100 times a second? 1000? 1...
Define fast.
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