Hobby Electronics Basics

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Generate low frequency sine wave

Hi, For a project, I would like to be able to generate very low frequency sine waves, between about 0.5 to 1.0Hz in fre...
4 comments posted 20yrs
posted by msvilans
4 comments posted 20yrs posted by msvilans

Downed power lines

I'm curious as to how one, say if they are forced to, approach downed power lines. Is it possible to safely get past th...
168 comments posted 20yrs
posted by Abstract.Dissonance
168 comments posted 20yrs posted by Abstract.Dissonance

half amplitude time

When we mean that a pulse has half amplitude of 3.5=B5s,does that mean the time it will take for the pulse to reach its...
1 comments posted 20yrs
posted by papageorgiou40
1 comments posted 20yrs posted by papageorgiou40

using pseudo bipolar ADC

I've some questions with regards to pseudo bipolar ADC. I found a thread in this forum explaining what is pseudo bipola...
9 comments posted 20yrs
posted by bluerabbit97
9 comments posted 20yrs posted by bluerabbit97

Bi-color LED help

Okay, so I bought a 2 lead bi-color led, but my application requires a 3 lead shared anode led. Is there any circuit I...
5 comments posted 20yrs
posted by lucky225
5 comments posted 20yrs posted by lucky225

Help with basic 555 timer circuit

Hello, I am having trouble getting a very simple 555 timer circuit to work. I have studied hard the documentation for t...
14 comments posted 20yrs
posted by pranmala
14 comments posted 20yrs posted by pranmala

simple laser pov projector wiring - uln2003a

hello on my first arduino project i will make a simple pov (laser pov) the first stage is to get a laser led(s) working...
2 comments posted 20yrs
posted by tomsofer2
2 comments posted 20yrs posted by tomsofer2

output of a 555

Hello, I have a 555 timer, and my resistor at the output (3) keep burning up. I have 7 volt at the output, I put two 51...
18 comments posted 20yrs
posted by lera
18 comments posted 20yrs posted by lera

Differential Equation of Series RL Circuit

Hi! Could you possibly give me a physical interpretation of the homogeneous solution of the differential equation descr...
2 comments posted 20yrs
posted by hc.figueroa
2 comments posted 20yrs posted by hc.figueroa

plc

i want to know plc
5 comments posted 20yrs
posted by write2dkmodi
5 comments posted 20yrs posted by write2dkmodi

Multiple Voltage Sources?

Hiya folks, I've been trying to understand more about circuits and electricity in general, and I've been left confused...
3 comments posted 20yrs
posted by fyberoptic
3 comments posted 20yrs posted by fyberoptic

Securing a circuit

Hi, I have ben looking for a web site that would show me how to secure a circuit from spikes , over load or anything th...
3 comments posted 20yrs
posted by lera
3 comments posted 20yrs posted by lera

elementary programe in C

can someone help me to make code for digital clock using AT89S52. The specs of clock are 12 hour clock,am-pm display,us...
20 comments posted 20yrs
posted by bromio_47
20 comments posted 20yrs posted by bromio_47