Hobby Electronics Basics

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Interfacing cheap R/C board - SUCCESS!

finally managed to get a couple wires stuck to the pins of the decoder chip so I can tap it directly, and even managed...
1 comments posted 20yrs
posted by dakidd
1 comments posted 20yrs posted by dakidd

service manual pm3217

Good morning, Sorry for my little english , I'm a italian technician , I search the service manual of an old oscillosco...
2 comments posted 20yrs
posted by stige
2 comments posted 20yrs posted by stige

Batteries and magnetic media

I've been told that magnetic fields can erase magnetic media such as videotapes, audiotapes, and floppy disks. I always...
5 comments posted 20yrs
posted by WRITETOgregAT
5 comments posted 20yrs posted by WRITETOgregAT

Question about ADuC834 FLASH/EEPROM

Hi Everyone I know that the ADuC834 program memory can be configured as data memory to give up to 60Kbytes of NV data m...
0 comments posted 20yrs
posted by xyzcylyy
0 comments posted 20yrs posted by xyzcylyy

You guys are gonna get a kick out of this

Today in my high school auto class, I learned the propper way to connect batteries in series. ----------------+ I /I I...
13 comments posted 20yrs
posted by ngdbud
13 comments posted 20yrs posted by ngdbud

inverter

Hi I want to build the inverter on the following page. It is a common inverter. Just like to know if the transformer ne...
3 comments posted 20yrs
posted by noemail
3 comments posted 20yrs posted by noemail

How to caliberat voltage regulator

Hi all I am learning electronics and for my bread board I have build myself a voltage regulator to get 9V using the fol...
7 comments posted 20yrs
posted by NOspamMZBEG
7 comments posted 20yrs posted by NOspamMZBEG

regarding blood pressure monitor

Hey Guys, thanks a lot for ur reply! John i am working on oscillometric technique were in the cuff pressure is measured...
0 comments posted 20yrs
posted by priyanksamani
0 comments posted 20yrs posted by priyanksamani

Monitor mains voltage with transformer

Hi, I made a microcontroller circuit to control speed of a small fan with TRIAC phase control. It works fairly well, bu...
11 comments posted 20yrs
posted by sdfsd
11 comments posted 20yrs posted by sdfsd

digital question

Hello, I am trying to do a didigtal circuit, I need help detemrining the initial value. I have 3 batteries, and my circ...
20 comments posted 20yrs
posted by ???
20 comments posted 20yrs posted by ???

Oscilloscope - 350Mhz - 2 Channels

TEKTRONIX - 485: Portable Oscilloscope. 350 MHz at 5mV/div NSEC/div sweep rate 0 div/NSEC writing speed. Alternate swit...
2 comments posted 20yrs
posted by mr_fixit
2 comments posted 20yrs posted by mr_fixit

Antennas

Hi all, I have an idle question. How do receiving antennas work. I have looked at Wikipedia and Google but I cannot find...
23 comments posted 20yrs
posted by kitmor
23 comments posted 20yrs posted by kitmor

linear amplifier

can anyone tell me if a linear amplifier for a CB 27 meg will work on a UHF CB
2 comments posted 20yrs
posted by cliff
2 comments posted 20yrs posted by cliff

Aint it amazing what they put into cereal boxes!

So last Summer packed inside Kellogg's Cereal Boxes was Electronic Pedometers, complete with 2-3AG batteries, in the sh...
6 comments posted 20yrs
posted by ksleep
6 comments posted 20yrs posted by ksleep