Hobby Electronics Basics

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Satellite radio - radio validation

I'm curious, can someone provide a simple several paragraph, basic explanation of how satellite radio authentication wo...
2 comments posted 18yrs
posted by N
2 comments posted 18yrs posted by N

serial network

how can i use visual basic for serial network using 89c52 and rs232 using 9 bit protocol
2 comments posted 18yrs
posted by engg_msc
2 comments posted 18yrs posted by engg_msc

Question about cabling:

Hi folks: Is it possible to solder 15-pin D-Suub connector onto a cable? I have to pass a VGA display cable through a w...
8 comments posted 18yrs
posted by twarren
8 comments posted 18yrs posted by twarren

AM receiver convert to ATC receiver

Hi all If I change the tank circuit components (reduce the capacitance and inductance) and change the transistors to ap...
42 comments posted 18yrs
posted by shelton.dcruz
42 comments posted 18yrs posted by shelton.dcruz

Light on a string?

My sister would like to use a light on the end of a string, and I was wondering how that could be made. I was thinking...
7 comments posted 18yrs
posted by chesemonkyloma
7 comments posted 18yrs posted by chesemonkyloma

P-channel Mosfet switch?

I'm trying to pull this P-channel mosfet gate to ground (U11). The best I can get is to within 1.1 to 1.2V above ground...
11 comments posted 18yrs
posted by spamme
11 comments posted 18yrs posted by spamme

Basic LED Info

hi there! few months back i decided to set up a new line of business and with research and etc. i decided to enter into...
4 comments posted 18yrs
posted by ghurki
4 comments posted 18yrs posted by ghurki

Wind power plant

Hello I have a little problem. I've got a private firm, the area which is surrounded by a fence. I would like to light...
0 comments posted 18yrs
posted by robert.janczak
0 comments posted 18yrs posted by robert.janczak

transistor saturation

So I'm reading up on transistor basics: http://www.kpsec.freeuk.com/trancirc.htm "A transistor that is full on (with R_...
16 comments posted 18yrs
posted by mrdarrett
16 comments posted 18yrs posted by mrdarrett

LM358 op-amp

I have constructed a circuit as below to convert the input of 12 to 24V as 0 to 12V and show the voltage on a DC volt-m...
10 comments posted 18yrs
posted by allenbsf6502
10 comments posted 18yrs posted by allenbsf6502

Multiple Computer Headphone Mixer

Does anyone one have any links to circuits or ready made equipment (in the UK) that would enable me to mix 4/4+ compute...
0 comments posted 18yrs
posted by MrRonMan
0 comments posted 18yrs posted by MrRonMan

Replacement transistor for 2N1711

Do you know for replacement transistor that I can use instead of 2N1711 transistor, which I can't find anywhere near me....
7 comments posted 18yrs
posted by antem_makniovo
7 comments posted 18yrs posted by antem_makniovo