Hobby Electronics Basics

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Al Magnet Wire Motors

Now that my utility is calling Cu a "precious metal" in its anti-wire theft campaign what is the status of Al wound mot...
22 comments posted 18yrs
posted by BretCahill
22 comments posted 18yrs posted by BretCahill

VAC fan connected to VDC?

I just got a fan from radioshack and accidently picked the VAC fan because I was comparing noise specs. What happens if...
3 comments posted 18yrs
posted by johnnyz86
3 comments posted 18yrs posted by johnnyz86

20 LED Chaser

Hello Does anyone have a circuit diagram for a 20 LED chaser please? All the ones I can find via Google seem to be about...
34 comments posted 18yrs
posted by spammenot
34 comments posted 18yrs posted by spammenot

Ladder diagram to CMOS logic

Hi group, +12v | NC | | |, .-. | IN -+--------,-=B4-------( X )-+ | =B4| | '-' | | | | | |NO .-----. | +---| |--+------...
4 comments posted 18yrs
posted by allenbsf6502
4 comments posted 18yrs posted by allenbsf6502

Question about output stage

I want to implement this output stage http://img143.imageshack.us/img143/5350/classabyg0.jpg but i want to use it as cl...
1 comments posted 18yrs
posted by lionelgreenstreet
1 comments posted 18yrs posted by lionelgreenstreet

Digital Logic: Lookup Table

For the question "How many unique functions can a 3-input lookup-table (LUT) implement?", I'm quite puzzled on why is t...
1 comments posted 18yrs
posted by stanigator
1 comments posted 18yrs posted by stanigator

Male and Female Connectors

Does anyone know where I can get a male connector and a female connector so that I can make an extension cable connecti...
5 comments posted 18yrs
posted by googlegroups99
5 comments posted 18yrs posted by googlegroups99

A new student to electronics!

I will definitely be at this group a lot. I am glad I found this!!! Im sure I will have lots of detailed questions... th...
2 comments posted 18yrs
posted by AcousticBruce
2 comments posted 18yrs posted by AcousticBruce

LED breakthrough may revolutionize lighting

LED breakthrough may revolutionize lighting http://eartheasy.com/article_led_breakthrough.html Purdue researchers achie...
7 comments posted 18yrs
posted by rpautrey2
7 comments posted 18yrs posted by rpautrey2

Splattering solder into eye?

Has anyone ever actually been unlucky enough to get solder splattering into their eye? I've had it hit my leg, hand, an...
9 comments posted 18yrs
posted by none
9 comments posted 18yrs posted by none

Using the THS4281 for high side current sensing

I'm using a THS4281 to make a general purpose High-Side current sensor. I'm just building this on a small PCB so I can...
0 comments posted 18yrs
posted by spamme
0 comments posted 18yrs posted by spamme

Class AB buffer stage

I've found a textbook that uses an AB buffer stage mosfet, but in an excercise a current in output transistor is always...
2 comments posted 18yrs
posted by idkfaidkfaidkfa
2 comments posted 18yrs posted by idkfaidkfaidkfa

Load seen by opamp

Hi, 1)If i use an opamp with resistor feedback (for example in inverting configuration with gain -R2/R1), the output re...
3 comments posted 18yrs
posted by silusilusilu
3 comments posted 18yrs posted by silusilusilu

mosfet gate threshold voltage

4.5 Gate Threshold Voltage, VT , {VTH , VGS(th) } VT is the minimum gate voltage at which the transistor will turn ON....
5 comments posted 18yrs
posted by mrdarrett
5 comments posted 18yrs posted by mrdarrett