Hobby Electronics Basics

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Baseband or Broadband signaling for wireless

For a project that I want to do I'm wondering if there is a prefered method for wireless communications for the best di...
0 comments posted 19yrs
posted by Jon_Slaughter
0 comments posted 19yrs posted by Jon_Slaughter

will this work?

Hey all; I'm trying to design a circuit that will ground a signal when the control voltage is applied, like this: signal...
9 comments posted 19yrs
posted by toccata
9 comments posted 19yrs posted by toccata

GE Superadio Modifications

Hi all: I have a GE superadio III and I=B4d like make modifications in this radio putting any blue and UV led=B4s. Wher...
0 comments posted 19yrs
posted by apogeusistemas
0 comments posted 19yrs posted by apogeusistemas

Opamp resistor

Hi all: Regarding the following schematic: http://tinypic.com/view/?pic=2ecnm94 I've seen many schematics that have sug...
2 comments posted 19yrs
posted by mr.whatever
2 comments posted 19yrs posted by mr.whatever

Rotational Encoders

Hi, I've picked up a trackball with two (what I presume to be) rotational encoders. They have four wires coming from ea...
1 comments posted 19yrs
posted by mqiqcqhqaqeqlqhqiqm
1 comments posted 19yrs posted by mqiqcqhqaqeqlqhqiqm

Newbie (ignorant) tech question

Hello all, I have a constant duty AC (28 VAC) motor that runs in one of my pinball machines. I wish to control power to...
20 comments posted 19yrs
posted by biscuitbecks
20 comments posted 19yrs posted by biscuitbecks

Thanks a Million: A 'Scooter Story'

I want to take this time to thank those who responded to my inquiry concerning the placement of batteries in a parallel...
4 comments posted 19yrs
posted by mea305
4 comments posted 19yrs posted by mea305

ATX power supply to drive a 12V DC motor?

Hi, I have a 12V DC motor (6A under load). The only power supplies I have around here are ATX. Someone at an electronic...
44 comments posted 19yrs
posted by michaelkatsilis
44 comments posted 19yrs posted by michaelkatsilis

Honeywell Pressure Sensor

I am using a Honeywell Pressure Sensor to measure water pressure, my question is that the terminals are +, Grd, Output...
4 comments posted 19yrs
posted by james_w_costello
4 comments posted 19yrs posted by james_w_costello

Thermistor Linearization

Hi, Two recent projects involved industrial sensors that required temperature compensation. The budget dictated thermis...
5 comments posted 19yrs
posted by RespondToGroupPlease
5 comments posted 19yrs posted by RespondToGroupPlease

are these diodes necessary?

Hey all; In the schem below, there are 4 inverters which may send a logic high to input 2 of the latch at any time, pos...
14 comments posted 19yrs
posted by toccata
14 comments posted 19yrs posted by toccata

Help using Linear's free simulator

Hello , I am trying to simulate a simple opamp circuit with Linear's LT Spice simulator. The circuit is simply a single...
2 comments posted 19yrs
posted by simu
2 comments posted 19yrs posted by simu

Volume control for stereo signal?

Hello all, Let's say I have two mono sources that will be outputted as a stereo signal to a headphone. If the mono sour...
7 comments posted 19yrs
posted by mr.whatever
7 comments posted 19yrs posted by mr.whatever

best way for remote control

Hello everyone, I am looking for a way to create a module that allows me to simply switch something(on/off) remotely. I...
1 comments posted 19yrs
posted by tylernef
1 comments posted 19yrs posted by tylernef