Electronics_101 at Yahoo! Groups

Re: crt recycling

Roland F. Harriston — Tue, 07 Jul 2009 01:42:26 GMT

Ross: You must be a "youngster". When I started out, almost everything was point-to-point wiring, vacuum tubed on a metal chassis. Many years later, after the

Re: crt recycling

Steve — Tue, 07 Jul 2009 01:40:38 GMT

I did that sometimes, too. My dad was manager of an autoparts store that shared an alley with the local appliance/electronics store. I'd stop by to say hello,

Re: which NPN to use for my go cart?

mikewax — Tue, 07 Jul 2009 01:37:06 GMT

... application and it can be driven by logic. DigiKey has them for about $4. I would plan to use a heatsink.< wow that sounds pretty cool. i never heard of

Re: which NPN to use for my go cart?

rtstofer — Tue, 07 Jul 2009 01:32:24 GMT

... That's the idea. When comparing the two MOSFETs, look at the Rds(on) spec and see what the corresponding Vgs is. To get optimal Rds(on) with the IRLB3036

Re: crt recycling

Ross McKenzie — Tue, 07 Jul 2009 00:16:21 GMT

... Roland, Are we twins separated at birth? I was the local "scrounger" also ... and my mum (our mum?) was tolerant ... to the point where she allowed me to

Re: which NPN to use for my go cart?

mikewax — Tue, 07 Jul 2009 00:05:42 GMT

So if i did this (FILES-->stp140.bmp)-

Re: which NPN to use for my go cart?

Derward Myrick — Mon, 06 Jul 2009 23:07:51 GMT

\Mike< This is good advice.Richard gave you. I would reccomend a MOSFET I have been using for a good while. It is a STP140NF55 and cost $2.58 One each from

Re: crt recycling

KB9BVN — Mon, 06 Jul 2009 22:49:17 GMT

Back in the day when I was a ultra scrounger, I used to take VCR boards, TV PCB's etc etc and heat the back with a blow torch and then BANG them on the edge of

Re: crt recycling

KB9BVN — Mon, 06 Jul 2009 22:45:58 GMT

Hey...at least they have jobs. Right? Will America be the new China in one more generation? ... From: "Mitch Reid" To:

Re: Accurate Capacitor?

Terrance — Mon, 06 Jul 2009 22:04:10 GMT

... That 2% temperature (in)accuracy is over -55C to +125C. This is quite good. Regardless of spec-sheet data, having used both in many applications, I can

Re: which NPN to use for my go cart?

rtstofer — Mon, 06 Jul 2009 21:11:10 GMT

... How come nobody ever posts a link to the datasheet? If you find the datasheet, look at Vce(sat). For Darlington transistors this is usually quite high.

Re: crt recycling

Roland F. Harriston — Mon, 06 Jul 2009 20:39:00 GMT

Like you Steve, when I first got interested in electronics as a high schooler, I would make my rounds through the neighborhood and to and from school on trash

which NPN to use for my go cart?

mikewax — Mon, 06 Jul 2009 20:22:13 GMT

hi can someone give me some advice on efficiency for a PWM motor control? i'm using the following circuit- (i think this will work with Times New Roman, but

Re: crt recycling

Steve — Mon, 06 Jul 2009 19:36:53 GMT

... That's how I got a lot of parts for experimentation when I was a kid learning electronics. Sorting the resistors and finding what I needed was great

Re: crt recycling

lists — Mon, 06 Jul 2009 19:35:11 GMT

In article , ... It can be worthwhile doing a bit of "part mining" before you take stuff for disposal though. Salvaging components you