Hobby Electronics Basics

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

Worth reading in Hobby Electronics Basics

electromagnetic controls

Greetings Folks New to these groups here, and have not checked out any of the archives yet, so please forgive the simpl...
2 comments posted 19yrs
posted by ke9xq
2 comments posted 19yrs posted by ke9xq

VERY simple dc motor drive circuit?

5vdc/670mA max miniature gear motor (load is such that current will be far below 670). I want to set speed with pot con...
30 comments posted 19yrs
posted by incognito
30 comments posted 19yrs posted by incognito

Powering a PIC

I have a digital thermostat that I have modified & interfaced with a PIC16F88 for some custom automation. The thermosta...
8 comments posted 19yrs
posted by N
8 comments posted 19yrs posted by N

Scr firing

Hello all, We have been trying to build a prototype of a single-phase power controller.The amount of power to be output...
6 comments posted 19yrs
posted by fathahrahman
6 comments posted 19yrs posted by fathahrahman

Another question regarding mA

As I mentioned in previous posts, I have this alarm panel that uses 12VDC to power a set of output contacts for an opti...
5 comments posted 19yrs
posted by spammenot
5 comments posted 19yrs posted by spammenot

Keylock switch for coax?

I have spent time trying to Google this question, without much success. I am not an electronics whiz, but I am a comput...
5 comments posted 19yrs
posted by john.peeler
5 comments posted 19yrs posted by john.peeler

NiChrome Wire-Cheap Source!

We have 30, 32, 34, 36, 40, and 48 gauge Nichrome 80 in 10' and 100' spools. Not sure which size to use, try the sample...
1 comments posted 19yrs
posted by paul
1 comments posted 19yrs posted by paul

music player ( for museum )

Hello, I need a music player ( mp3player ) with 10 buttons on it. If i push button one then must play music file one. T...
3 comments posted 19yrs
posted by Laurent.George
3 comments posted 19yrs posted by Laurent.George

Find control algorithm

Hi all, FM95HS02EM8XEM is a rolling code generation from Fairchild, that now is going out of production. I need its con...
0 comments posted 19yrs
posted by mauri236
0 comments posted 19yrs posted by mauri236

Voltage boost

anyone point me in the direction of a circuit to take the 5V from USB port and boost to 5.4V. My mobile phone requires 5...
2 comments posted 19yrs
posted by jjakerr85-news
2 comments posted 19yrs posted by jjakerr85-news

Monostable multivibrator

Does anyone know of how I can relate the importance of the monostable multivibrator to day-to-day applications? I only k...
3 comments posted 19yrs
posted by neutrino.cruiser
3 comments posted 19yrs posted by neutrino.cruiser

Differential Amp

Hi, I have a bank of 6 6V batteries and I'd like to be able to measure the voltage across each one. Would the best way...
4 comments posted 19yrs
posted by QmQiQcQhQaQeQlQhQiQmQsQ
4 comments posted 19yrs posted by QmQiQcQhQaQeQlQhQiQmQsQ

Digital Potentiometer

Hi, I have been trying to source an AD5220 digital pot in the UK. I have tried my usual sources (Maplin etc) plus a goo...
9 comments posted 19yrs
posted by nospam
9 comments posted 19yrs posted by nospam