Hobby Electronics Basics

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where in Germany can I order elcetronic things, which are not so expensive like "conrad" ?
2 comments posted 21yrs
posted by Tommi-Vogel
2 comments posted 21yrs posted by Tommi-Vogel

Opera 206 or 308 Manuals wanted

Hello I want to install an old MDX OPERA 308 PABX system for a charity I help. I have some documentation but I need to...
0 comments posted 21yrs
posted by gary_grayson
0 comments posted 21yrs posted by gary_grayson

120 VDC

I was recently told that if rectify the 120VAC mains voltage and then add a capacitor to smooth out the wave, I will th...
7 comments posted 21yrs
posted by 1qazse4
7 comments posted 21yrs posted by 1qazse4

Sony 27" TV - Horizontal Lines

I was checking out tv's today at bestbuy and notice a lot of the flat tubes have horizontal lines. My 15 yr old rca 19"...
1 comments posted 21yrs
posted by socialism001
1 comments posted 21yrs posted by socialism001

window comparator using a single op-amp

does anyone know a circuit of a window comparator using only a single op-amp...i need a shematic for this...tnx
7 comments posted 21yrs
posted by lee.magpantay
7 comments posted 21yrs posted by lee.magpantay

PIC16F628 Single Chip Stamp 1 Compatible

Hi, Was wondering if anyone's interested. Internal resonator in 90% of them is accurate enough to program and run seria...
0 comments posted 21yrs
posted by aa
0 comments posted 21yrs posted by aa

AC/DC adaptor outputs questions

Hello all, I am mostly a lurker here, but here are some simple questions--please allow me to give some background... Th...
4 comments posted 21yrs
posted by biscuitbecks
4 comments posted 21yrs posted by biscuitbecks

Impedance

How does impedance mismatches alter signals? I know you lose HF but always wanted to know how different frequencies are...
11 comments posted 21yrs
posted by j.michael
11 comments posted 21yrs posted by j.michael

transformer 110 to 240

Hello total novice at this so I'm hoping someone can help. I have a USA appliance and the spec is given as: INPUT 110 v...
9 comments posted 21yrs
posted by mystraightroad
9 comments posted 21yrs posted by mystraightroad

Question about picMicro programming

I have the pickit 1 programmer. I want to go through the tutorial examples, starting with Debounce. Tha samples come in...
6 comments posted 21yrs
posted by kerrisnow
6 comments posted 21yrs posted by kerrisnow

Using a Computer PSU without a computer

Hello, I'm wanting to use a computer PSU as a PSU. The one I've just bought doesn't work. I'm assuming that's because i...
6 comments posted 21yrs
posted by simon.lloyd12
6 comments posted 21yrs posted by simon.lloyd12

Using a microchip PIC to play streamed wav data ?

Hi, is it possible to use a PIC - 16C84 - for playing wav or mp3 streamed data ? I have got information about small deco...
2 comments posted 21yrs
posted by lothar.behrens
2 comments posted 21yrs posted by lothar.behrens

Need help finding a switch

I had a PCB made up and wasn't careful to pay attention to the pin spacing on the switch I used. I need a SPST momentar...
6 comments posted 21yrs
posted by 1qazse4
6 comments posted 21yrs posted by 1qazse4

Amplifier stability and compensation

Hi guys, I've a project on amplifier stability and compensation. I'm about half way through it now, anyboody got any in...
0 comments posted 21yrs
posted by dr_stephen_quinn
0 comments posted 21yrs posted by dr_stephen_quinn