Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I do not want to buy anything I can make myself! :)
To hobbyist, making simple devices gave some satisfactory and spare from lost of time and money...
Already made my own basic version and actually works suprisingly accurate measuring inductance. Capacitance is as well very accurate up to...
2N3819 is not available in LTspice free version.
IRFZ44 is just last tested. The same or similar behavior with other tested as well.
Never mind actually, I will try to make LC meter in the near future.
Thanks.
Attempt is made to test this with LTSpice - failed. It started some oscillation, however it is unstable.
Probably my fault somewhere in construction or settings.
Two IRFZ44 are used in schematic, since this is free version.
I will try to make some cheap MCU based LC meter instead, complexity...
:(
I'm quite disappointed a moderator saying this.
Please start reading from here and conclude further:
https://www.electro-tech-online.com/threads/clock-timer-school-project.145459/page-5#post-1230163
You may delete my account after all. Thank you.
Again, I do not want to argue at all as you started this from wrong reasons. Please do not reply on my posts anymore.
The whole thread is pointless anyway, as the main assumption about "tutoring OP" is absolutely wrong.
Some of moderators may lock it.
As I said, you have started all involving vanity in. Please avoid that as there is nothing about. I do not want to fight at all or arguing. BTW, I'm almost retired too.
And this whole thread is based on false assumptions. All my basic points are wrote upper and there is no much to add.
Are you...
No, there is several wrong points in all this.
Distinguish should be done in few steps:
1. OP's level of knowledge
2. What he want to make
3. What he did so far
If somebody says: "I'm a high school student just started with electronic and I want to do this - here is what I done. Is it good...
I believe some unnecessary and unprovoked vanity rush flying around here and upper fact is overlooked greatly...
I would not expect from someone who just ran into the electronic to make perfectly designed schematic etc. As well as I would not excpect from someone who just started programming to...
And you overcome it greatly, with exponential learning rate!
Motivation and interest to do more is very important in self education, which is simply much more valuable than fulfilling only given task, believe me.
You will be in great advantage later in higher education and at work.
Not at all. I'm just saying that experimentation during learning and learning on his own mistakes is equally valid as reading from books and listen experience advices.
He is just on beginning of his life and have a lot to learn on the easiest or the hardest way.
That is all.
I'm in the...
BTW, why should be? He is just a school learning kid and initiative is sign of strong interest to learn and if I understand correctly, this is just another school subject. This does not mean he will follow the path of electrical engineer... :)
When get a job, initiative is not quite welcome...
I do not need anything else, already collected all related with receiving and decoding the signal...
At this stage I have only to wire rod properly and blindly to make it around 5mH, with frequency counter only.
Thanks anyway.
Not sure I have understood, nor that I have explained well...
This is similar frequency counter, made by Arduino. Preamp stage is 74HC14 or transistor based circuit.
**broken link removed**
Preamp (two possible variations):
**broken link removed**
The simplest LC tank:
Applying voltage to...
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