Hobby Electronics Basics

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ANN: New Spice Models added to my website

New Spice Models added to the Device Models & Subcircuits page of my website. ...Jim Thompson -- | James E.Thompson | m...
0 comments posted 13yrs
posted by To-Email-Use-The-Envelope-Icon
0 comments posted 13yrs posted by To-Email-Use-The-Envelope-Icon

Wi-Fi health risk?

For aesthetic reasons I had to moved my wi-fi access point in my living room to a location under my desk. I'm a bit wor...
9 comments posted 13yrs
posted by N
9 comments posted 13yrs posted by N

Should supply rails be negative?

Hello. As we know, it is a historical accident that the charge of the electron is considered negative, and conventional...
31 comments posted 13yrs
posted by la
31 comments posted 13yrs posted by la

PIC32MX question

So I bought some PIC32MX150f128B micros, hooked one up to my PicKit 2, and lo and behold, they talked! Only problem is,...
2 comments posted 13yrs
posted by randy.day
2 comments posted 13yrs posted by randy.day

IDC dip plug pins >:(

Anyone know why IDC dip plugs have their pins staggered opposite of what standard dual row IDC connectors use? Argghhhh...
3 comments posted 13yrs
posted by nospam
3 comments posted 13yrs posted by nospam

Deadbolt indicator

Hi All, I'm very much a beginner in the electronics area, but I've been playing around with resistors, led's and batter...
37 comments posted 13yrs
posted by david.humpherys
37 comments posted 13yrs posted by david.humpherys

Cell Phone Controlled Solar Powered Drones

Solar powered drones might be able to go 100 miles or more during daylight hours. Problem is they can only go a few hun...
1 comments posted 13yrs
posted by bret.e.cahill
1 comments posted 13yrs posted by bret.e.cahill

ps/2 port on a pc

I have an old DOS (yes, DOS) laptop that I want to use in a project. I want to have two-way communication, but the ONLY...
15 comments posted 13yrs
posted by randy.day
15 comments posted 13yrs posted by randy.day

ANN: Updated Models & Schematics on My Website

I have updated my Device Models & Subcircuits page. Comments invited. I welcome suggestions of models you'd like to see...
21 comments posted 13yrs
posted by To-Email-Use-The-Envelope-Icon
21 comments posted 13yrs posted by To-Email-Use-The-Envelope-Icon

Automotive alternator windings & rectifier

http://www.autoshop101.com/forms/alt_bwoh.pdf has photos of an alternator with 4 connections for windings (each of 3 ph...
37 comments posted 13yrs
posted by mcham
37 comments posted 13yrs posted by mcham

Series R-C circuit integrator

Good side of R-C circuit integrator that has no voltage offset to be integr ated, like it is the case with op-amp integ...
4 comments posted 13yrs
posted by pchung705
4 comments posted 13yrs posted by pchung705

screwgun triggers

I have a cordless impact driver and drill set I use all the time. How does the speed control in the trigger work, is it...
14 comments posted 13yrs
posted by kellrobinson
14 comments posted 13yrs posted by kellrobinson

Thermal conductive pads for chips

Any recommendation? Should I buy from Amazon? The size of the chip is roughly 1cm x 1cm.... -- @~@ Remain silent. Nothi...
5 comments posted 13yrs
posted by toylet.toylet
5 comments posted 13yrs posted by toylet.toylet