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Hi everyone,
I am an undergrad student taking a grad level course, Pattern Recognition and I need some advice on my project. I am given a database of leaves, total of 3032 samples, belonging to 47 different classes with 2003 features for each sample. The features consist of the following...
Thanks!
I have tried lowering the resistor values, but then resistors lower than 50 ohms got very hot, higher than 500 ohms gave me jittering, and the ones between gave me pulses with a significant rise time.
The second method you proposed was a life saver. The output has proper pulses. They...
Thank you so much Brian.
Sorry about asking too many new questions, but when you're an intern people keep coming with brand new requests.
Now we want the output to be adjustable. We thought about using a voltage divider circuit for Vdd. That way we can change one of the resistors whenever we...
I've found out that there was a problem with the grounding, so now it works fine, thank you so much.
But now I have another thing in my mind. I've heard that the Arduino's that we are using aren't produced anymore, they've switched to producing 3.5V ones, instead of 5V.
I wonder if IRF530...
I've finally observed a decent square wave at the output, but now I see that you're right about that concern. I see former colleagues has noted "1V=100mA" on the LED driver, but after that circuit, even though it supplies around 12V, the current which arrives to the LED driver is around 6mA. I...
Thank you so much, now it seems to be working but I've just received an update about the project. The thing is the pulses coming from the Arduino were at 32kHz. So using this circuit, the output is not exactly a pulse. There is some slew, like when the pulse width is 10us, the rise time is 5us...
You're right, it is 5V when it's high.
The schematic that has been sent to me has also another 10V, feeding the gate. When I get rid of that 8.2kohms, I shouldn't feed the gate anymore, right? I didn't understand its purpose anyway. Again, I haven't had a course on digital design, but I think...
Thanks for the quick reply. Yes, the grounds are connected, but the problem is, those grounds are also connected to the adapter's negative terminal. Even when I've removed the 8.2k resistor it didn't work, since when I check the Vcc with my oscilloscope, I'm seeing a pulse train with a base...
Hello everyone, I have a small problem to solve. Since I'm only a junior electronic engineering student, I don't have much practical knowledge. And I only have some experience with analog amplification, none with digital.
I have a digital signal coming from an Arduino microcontroller, a pulse...
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