Hobby Electronics Basics

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

Worth reading in Hobby Electronics Basics

boost / Buck boost

Apart from the inductor and rectifier simply being in different positions, what is the difference between the boost and...
22 comments posted 19yrs
posted by mrdarrett
22 comments posted 19yrs posted by mrdarrett

Aliasing and low-pass filtering question

Hello, Can someone please para-phrase the following? "To avoid aliasing, an analog low-pass filter is placed at the inp...
7 comments posted 19yrs
posted by mr.whatever
7 comments posted 19yrs posted by mr.whatever

Refrigerator relay

My refrigerator is warm and makes this intermittant clicking sound. My research shows it's probably the compressor star...
12 comments posted 19yrs
posted by
12 comments posted 19yrs posted by

"Voltage" fuse?

Hi guys: Hopefully this is a no-brainer. If you have a current source that supplies a constant amount of current, regar...
9 comments posted 19yrs
posted by sylvestersn
9 comments posted 19yrs posted by sylvestersn

resistor transistor basics

I have several LEDs that use the same voltage, they will be on and off at different times, so the current usage will no...
14 comments posted 19yrs
posted by nospam
14 comments posted 19yrs posted by nospam

NEW! Second Edition Electronics Series

Friends, My Electonics Series at http://stores.lulu.com/thomasscarborough has entered its Second Edition. Interest has...
3 comments posted 19yrs
posted by tim
3 comments posted 19yrs posted by tim

JDM PIC programmer troubleshooting

Hello, A while ago I came across a schematic for a slightly modified JDM PIC programmer which I just finished building....
1 comments posted 19yrs
posted by grubertm
1 comments posted 19yrs posted by grubertm

I screwed up

Hello, I bought a Profile AP740 Car Audio Amplifier and could not get it to turn on. I had 12.7VDC reading between the...
8 comments posted 19yrs
posted by pruitt4
8 comments posted 19yrs posted by pruitt4

short circuit :/

Hi, I made a circuit for a simple serial temperature system, it worked on the breadboard, but something has gone wrong...
4 comments posted 19yrs
posted by nospam
4 comments posted 19yrs posted by nospam

RS485 Why the limit of 32?

I've implemented a few different serial protocols, but never set up an RS485 network. I have several home automation do...
10 comments posted 19yrs
posted by spam-not
10 comments posted 19yrs posted by spam-not

transistor 2n3055

The transistor 2N3055 is packaged in a TO3 case. It has its collector "grounded" to the case, and the base and emitter...
34 comments posted 19yrs
posted by hamish
34 comments posted 19yrs posted by hamish

Touch Lamp Is Erratic

I have a lamp near my bed that is controlled by touching a part of the metal. I like it. Each touch brightness until it...
16 comments posted 19yrs
posted by wolf_tracks
16 comments posted 19yrs posted by wolf_tracks

PS linear regulator issues

A PS I build a while back was screwed up yesterday when I was messing around. Its a variable split PS using 317's with,...
2 comments posted 19yrs
posted by Jon_Slaughter
2 comments posted 19yrs posted by Jon_Slaughter

no-ware to be found

I am trying to find a circuit that can be used as a crib board, It requires to run lots of Leds (one for each usual hol...
0 comments posted 19yrs
posted by Rodge51
0 comments posted 19yrs posted by Rodge51