Hobby Electronics Basics

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Video Camera for a surveillance camera

Hello, I have been having trouble with some kids destroying a fence that I have built. I have an old 8mm video camera a...
3 comments posted 19yrs
posted by John_nospam
3 comments posted 19yrs posted by John_nospam

what uC do you prefer?

So with the plethora of micro-controllers out there, which do you use/prefer and why? I use PICs pretty much exclusivel...
31 comments posted 19yrs
posted by feebo
31 comments posted 19yrs posted by feebo

How to calibrate TEK 465B 'scope?

Greetings All, A couple years ago I installed the meter kit in my TEK 465B oscilloscope. I have all the manuals for the...
1 comments posted 19yrs
posted by etpm
1 comments posted 19yrs posted by etpm

Voltage divider calculation using superposition

Hello! I have this simple voltage divider circuit: VCC + | | .-. | | | |R1 '-' | ---- V_OUT | | .-. | | | |R2 '-' | ---...
8 comments posted 19yrs
posted by mr.whatever
8 comments posted 19yrs posted by mr.whatever

regulated-output dc-dc converter

I've got an electronic device which operates, at least it used to operate, using a car battery as a power source. Over...
11 comments posted 19yrs
posted by dspear99ca
11 comments posted 19yrs posted by dspear99ca

hooking 2 playstation controllers together

I want to combine the functionality of two PlayStation controllers. I want the digital pot controllers (mini joysticks)...
14 comments posted 19yrs
posted by michalchik
14 comments posted 19yrs posted by michalchik

new subscriber

Hi.... Friends .. I am new in your group plz be in contact
4 comments posted 19yrs
posted by stutishah13
4 comments posted 19yrs posted by stutishah13

Some confuse !

I intend to purchase a micro switch. According to the previous product spec., it states 6A250VAC,10(1.5)A250V. I 'm con...
10 comments posted 19yrs
posted by mowhoong
10 comments posted 19yrs posted by mowhoong

power filters

I've got a PLC (a little controller) that runs off a generator. The PLC keeps locking up; we suspect it's due to spikes...
26 comments posted 19yrs
posted by yan
26 comments posted 19yrs posted by yan

is a cell phone charger with less amperes ok?

Hi. I lost my cell phone charger and want to buy another one. my original charger's output was 5V 1A DC. I found one wh...
1 comments posted 19yrs
posted by interuser
1 comments posted 19yrs posted by interuser

Fan Power Consumption

I have a Lasko Premium 20" three-speed box fan. I'd like to know how many watts it uses, but so far I can't find any go...
21 comments posted 19yrs
posted by none
21 comments posted 19yrs posted by none

Measuring mosfet gate rise time?

I'm using a FDN359AN (SOT3 PACKAGE) and a TC427 driver. Rather then explain here is my test cct. http://i8.tinypic.com/...
4 comments posted 19yrs
posted by spamme
4 comments posted 19yrs posted by spamme

Bug Zapper Failure

I have an industrial model bug zapper that has lost it's zap. The source voltage 115VAC is paralleled to provide indepe...
7 comments posted 19yrs
posted by taftalw
7 comments posted 19yrs posted by taftalw

Hazard Switch

I am trying to figure out the electrical system on a 1997 GMC Sonoma pick-up truck. The problem I'm having is trying to...
5 comments posted 19yrs
posted by inboxjm
5 comments posted 19yrs posted by inboxjm

Loads on a Power Source

Can anyone explain why turning on another load in an electrical system causes the others to diminish in intensity? I no...
1 comments posted 19yrs
posted by inboxjm
1 comments posted 19yrs posted by inboxjm