Hobby Electronics Basics

  1. Home
  2. Hobby Electronics Basics
9387 Threads Posts
to

Worth reading in Hobby Electronics Basics

SEPIC Controllers

Hello, Quick questions about SEPIC controllers. From my understanding a SEPIC controller can take an input which is gre...
0 comments posted 18yrs
posted by robd
0 comments posted 18yrs posted by robd

all this spam

I've been off doing other things for a year or two, and have recently been monitoring this group again. The spam proble...
4 comments posted 18yrs
posted by rcmonsen
4 comments posted 18yrs posted by rcmonsen

Part ID

I pulled an old part out of the junk drawer, and I'd like to find some info on it. I seem to recall it being a Hall Eff...
2 comments posted 18yrs
posted by randy.day
2 comments posted 18yrs posted by randy.day

Frequency counter as gas engine tach?

I have a Radio Shack frequency counter (#22-305), with two frequency ranges and a digital pulse mode. Its input is a 50...
4 comments posted 18yrs
posted by nunyas
4 comments posted 18yrs posted by nunyas

Sennheiser headset work with a cell phone?

After hours of flaming frustration that no one in the world makes around-the-ear (aka "can") headsets for cell phones (...
1 comments posted 18yrs
posted by themaniam
1 comments posted 18yrs posted by themaniam

Alkaline batteries in parallel?

I just bought a dirt-cheap wireless lapel microphone with transmitter and receiver. But, I think there may be a problem...
7 comments posted 18yrs
posted by gh424NO824SPAM
7 comments posted 18yrs posted by gh424NO824SPAM

Left-handed 3-pole disconnect switches?

I need a 3-pole safety disconnect switch rated at 208V / 60A, unfused. I can find one at any of several equipment suppl...
4 comments posted 18yrs
posted by sparkyguy
4 comments posted 18yrs posted by sparkyguy

LED voltage

Two questions really: 1: I have some old LED's but don't know what the forward voltage or current is for any of them. I...
2 comments posted 18yrs
posted by dav1d
2 comments posted 18yrs posted by dav1d

Wish to drive LCD-TV with portable power supply

For putposes of video demonstrations in the field, I would like to operate a 32-inch LCD television set from the back o...
1 comments posted 18yrs
posted by pixsnap
1 comments posted 18yrs posted by pixsnap

Looking for Good FM Radio Reciever Kit

Hi all I am interested in building a FM Radio but cannot find a kit to construct. I am looking for a kit that has good...
3 comments posted 18yrs
posted by shelton.dcruz
3 comments posted 18yrs posted by shelton.dcruz

Running a 1 watt LED of 6 volt lantern battery

I'm looking to convert a flashlight I have to LED, the flashlight uses a 6 volt "lantern battery but the LED's max volt...
25 comments posted 18yrs
posted by the1930s
25 comments posted 18yrs posted by the1930s

Question about hardware modification

Hello Everyone, I'm not sure if this is the right group to post this in or not but I couldn't find anywhere more approp...
2 comments posted 18yrs
posted by papillion
2 comments posted 18yrs posted by papillion

3M Shrink Tubing Insulation numbers?

3M's data sheet (from Digi-Key): says that the EPS-300 tubing's insulation rating is 700V/mil. The 3/16 tubing is 0.020...
2 comments posted 18yrs
posted by me
2 comments posted 18yrs posted by me