Hobby Electronics Basics

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Looking for120vac thermostat and relay

I'm putting together a circuit to turn on a 120v motor when the temperature falls to 36*F. I want a temp sensor that cl...
13 comments posted 15yrs
posted by amdx
13 comments posted 15yrs posted by amdx

Sinusoidal Power Source

Using waveform arithmetic on SPICE you can multiply the voltage by the current to get the power waveform. With a sin vo...
9 comments posted 15yrs
posted by BretCahill
9 comments posted 15yrs posted by BretCahill

Name of plug in US

http://www.amazon.co.uk/Cable-Tex-Coaxial-Aerial-Cable-White/dp/B003S46D06/ref=sr_1_10?ie=UTF8&qid=1304163450&sr=8-10 W...
115 comments posted 15yrs
posted by toylet.toylet
115 comments posted 15yrs posted by toylet.toylet

Active Directory Support Tools

Take a look at- http://www.webtechnoworld.com/Active-Directory-Support-Tools.php ______ Ash
0 comments posted 15yrs
posted by webtech.ashish
0 comments posted 15yrs posted by webtech.ashish

How close to cell transceiver is safe?

I live in NYC and am thinking of taking an office in a small 6 story building. On the 6th floor is a door with access t...
26 comments posted 15yrs
posted by N
26 comments posted 15yrs posted by N

Circuit Sorting

Electrical circuit problem. Power at the distant location is off caused by unknown circumstances. Probing with a meter...
8 comments posted 15yrs
posted by nospam
8 comments posted 15yrs posted by nospam

Estimating UPS run-time?

A UPS rated at 950 VA output (115 VAC sinewave -- yes, sine) with 20 AH, 24 volt battery. How to *estimate* run-time at...
10 comments posted 15yrs
posted by gloriasbest22
10 comments posted 15yrs posted by gloriasbest22

Speaker/ Amp impdeance

There was a question about speaker impedances (8 Ohms vs. 4 Ohms.). On a list server that I follow. Several reponders m...
37 comments posted 15yrs
posted by gherold
37 comments posted 15yrs posted by gherold

Mouse sqeaker

I purchased an electronic mouse squeaker for my cat. To activate it, you have to pull a tab between two battieres and s...
13 comments posted 15yrs
posted by emetzger1974
13 comments posted 15yrs posted by emetzger1974

Silicone Potting Compound

I need to quickly find some silicone potting compound. Do not want to order anything 'cause I need it today. Of course...
7 comments posted 15yrs
posted by nospam
7 comments posted 15yrs posted by nospam

Flash ADC question

Could some electronics guru please help ? In a flash ADC, there is a resistor chain, whose voltages at each node are th...
5 comments posted 15yrs
posted by dakupoto
5 comments posted 15yrs posted by dakupoto

[OT] Cell Phone--skip greeting

I use Net10 fro my cell phone. I'd like to allow people to skip the fairly long greeting, if they want. I'm pretty sure...
0 comments posted 15yrs
posted by wolftracks
0 comments posted 15yrs posted by wolftracks