Hobby Electronics Basics

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

Worth reading in Hobby Electronics Basics

rs232 thermometer

http://www.cs.unibo.it/~lanconel/webtherm.html Has anyone made this before and got it to work? The reason that i am ask...
5 comments posted 20yrs
posted by cuprager
5 comments posted 20yrs posted by cuprager

Engineering math books

What is your thought on engineering math books that have everything crammed into it? An example of the books I speak of...
1 comments posted 20yrs
posted by a.revolutionist
1 comments posted 20yrs posted by a.revolutionist

using current to measure a time

Hi, I am making something to measure how much time two objects are in contact when one of them is accelerated towards t...
27 comments posted 20yrs
posted by black
27 comments posted 20yrs posted by black

Hookups for 6V dry batteries (4R25)?

This is as basic as it gets. I need to build a bank out of three of these 6V dry zinc/manganese (I think 4R25 is a prop...
10 comments posted 20yrs
posted by info_at_cabling-design_dot_com
10 comments posted 20yrs posted by info_at_cabling-design_dot_com

OpAmp Gain trouble

I am using the below schematic for a OpAmp TLC272CP. According to the formula of G = (R1/R2) the gain on this circuit s...
3 comments posted 20yrs
posted by bunny
3 comments posted 20yrs posted by bunny

POWER AMPLIFIERS

an amplifier circuit which uses power transistor is called power amplifier .the are classified based on conduction angl...
9 comments posted 20yrs
posted by alamuri.usha
9 comments posted 20yrs posted by alamuri.usha

electromagnet OPENING a door

Hi, I'm building a small safe with an electronic strike (i.e., latch). When a timer activates, the strike releases. I w...
2 comments posted 20yrs
posted by sammytaylor
2 comments posted 20yrs posted by sammytaylor

Multi-layer switch network?

Hi all, I am reading a article. It mentions "multi-layer switching networks including, e.g. omega(perfect shuffle)/delt...
4 comments posted 20yrs
posted by zhushenli
4 comments posted 20yrs posted by zhushenli

Switch between power sources

Hi, I'm looking for a device that has two inputs and one output. It passes one of the inputs to the output. It defaults...
14 comments posted 20yrs
posted by newspaper.20.broom
14 comments posted 20yrs posted by newspaper.20.broom

First shot with a scope

I consider myself a pretty much novice in the world of electronics, and I've never used a scope before so I bought a us...
5 comments posted 20yrs
posted by bos
5 comments posted 20yrs posted by bos

How can I measure jitter?

How can I measure jitter? I have to measure Bluetooth jitter, could you please advice the device and method... Best rega...
15 comments posted 20yrs
posted by bokiteam
15 comments posted 20yrs posted by bokiteam

noisy tektronix 465

Hi, I recently purchased a used tektronix 465 scope off eBay and when I turn it on it makes a pretty loud noise. The be...
4 comments posted 20yrs
posted by josh.curtz
4 comments posted 20yrs posted by josh.curtz

Rewinding microwave oven transformer

I am thinking of rewinding an old microwave oven transformer to drive a car amp to produce some bass in my bedroom. The...
15 comments posted 20yrs
posted by tom
15 comments posted 20yrs posted by tom

Red/green bi-color LED mcd ratings

I was reading the specs on a bunch of red/green (diffuse white when off) bi-color LEDs (real party animal I am). I noti...
3 comments posted 20yrs
posted by ben
3 comments posted 20yrs posted by ben

RF Front end for a ADC

Hello, I like to do build or buy an RF front end for an ADC to be able to capture RF signal and process with them. Perf...
6 comments posted 20yrs
posted by ma
6 comments posted 20yrs posted by ma