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Variable Voltage from PC Port

I'm trying to control an RC transmitter from my PC. The transmitter contained two potentiometers (one for each stick) w...
6 comments posted 21yrs
posted by nospam
6 comments posted 21yrs posted by nospam

Buying a Scopemeter 199c

There's a possible recall on the 196c units, so I'm upgrading to a 199c. 3k memory, up to 25gs/s fo 3k. Can I do better?...
0 comments posted 21yrs
posted by bpw67deletethis
0 comments posted 21yrs posted by bpw67deletethis

Microcontroller design/programming help needed

I don't have enough experience, or common sense to complete this project, so I need some help, and finally realised tha...
0 comments posted 21yrs
posted by ksleep
0 comments posted 21yrs posted by ksleep

OT: Desk Attack

Ignore Cuatro and get all your papers dumped in the floor ;-) http://www.analog-innovations.com/SED/DeskAttack.jpg ...J...
62 comments posted 21yrs
posted by thegreatone
62 comments posted 21yrs posted by thegreatone

Glue orvarnish for air coil windings?

I want to glue or varnish the windings of an air coil. The coil is made of coated (polyurethan) copper wire. Which is th...
3 comments posted 21yrs
posted by w.p.m.heijnen
3 comments posted 21yrs posted by w.p.m.heijnen

FA: Heathkit IT-12 Signal Tracer with Manual

For audio and RF circuits; has speaker and "magic eye" monitor. Includes probe and manual. Checked out and ready to use...
0 comments posted 21yrs
posted by tw
0 comments posted 21yrs posted by tw

Rechargeable batteries

I need to buy a battery charger for my Radio Shack AAA batteries. I see two chargers at Radio Shack, one will charge in...
7 comments posted 21yrs
posted by blue--nospam.heron3
7 comments posted 21yrs posted by blue--nospam.heron3

Fooling an LCD Monitor

Hello, to do testing on a monitor involving its adjustments, I need to "fool" it into thinking there is a signal when t...
7 comments posted 21yrs
posted by random
7 comments posted 21yrs posted by random

what kind of antenna?

In general, if anyone knows, what type of antenna is required to pull in a clear color picture on tv channel 2? I am ho...
2 comments posted 21yrs
posted by dsmith
2 comments posted 21yrs posted by dsmith

design for a GOOD TRANSISTOR CURVE TRACER ?

G'day everyone, I'm planning on building a transistor curve tracer, but so far haven't found a 'suitable' design. The o...
5 comments posted 21yrs
posted by peter_dingemans
5 comments posted 21yrs posted by peter_dingemans

tv modulator

I have a tv modulator, ch0 46MHz Australian channel, and I want to boost its output with a simple one transistor amp co...
3 comments posted 21yrs
posted by riggdm
3 comments posted 21yrs posted by riggdm

Question on Oral-B toothbrush charger

Has anyone used an Oral-B power toothbrush (7000 or 8000 series)? I have one and it uses normal 110V power to charge Ni...
3 comments posted 21yrs
posted by zxg_32
3 comments posted 21yrs posted by zxg_32

Hnadheld device to measure speed

Hi, Is it possible to measure the speed of a vehicle such as a bus, a car, a boat, a train with a handheld device? Note...
8 comments posted 21yrs
posted by leonlai2k
8 comments posted 21yrs posted by leonlai2k

Everyday electronics article needed ( 1992 ! )

Hi all, I wish to build a subwoofer like a friend of mine's. It's to a design in Everyday Electronics August 1992 editi...
3 comments posted 21yrs
posted by nospam_smithp
3 comments posted 21yrs posted by nospam_smithp