Hobby Electronics Basics

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Complementary drive from microcontroller

Hi, I'm working on a project to construct a sine-wave inverter. The switches on the output side are 4 IGBTs connected i...
2 comments posted 22yrs
posted by prasaad_
2 comments posted 22yrs posted by prasaad_

Analog switch

Hi I'm looking for a solution to switch two audio channels. The channels are in the range of 0..3V and 0..-3V. The dist...
3 comments posted 22yrs
posted by user242
3 comments posted 22yrs posted by user242

Capacitive proximity effect?

Hi guys: I'm interested in how a capacitive sensor works, in general. I have a vauge idea that the face of the sensor i...
1 comments posted 22yrs
posted by eromlignod
1 comments posted 22yrs posted by eromlignod

Radio shack sux

I went to radio shack to pick up some parts and they have like NOTHING now. And they wanted over $1.20 for a single 22u...
10 comments posted 22yrs
posted by rspinks1
10 comments posted 22yrs posted by rspinks1

555 timer

I am trying to construct a simple device for turning on and off three lights (one at a time). I have a traffic light th...
12 comments posted 22yrs
posted by yy'
12 comments posted 22yrs posted by yy'

electric motor

Hi guys I'm not sure if anyone can answer this. I'm have being looking for a used 5 hp single phase electric motor. The...
2 comments posted 22yrs
posted by rickj
2 comments posted 22yrs posted by rickj

transistors

where can i find the datasheets of "CCS2053F637" and "S8050C921" It would help me to identify the collector, emittor and...
2 comments posted 22yrs
posted by jvancxyz
2 comments posted 22yrs posted by jvancxyz

creating simple schematic with Eagle

Im trying to understand the basic functions of "eagle" PCB creation software. Before I buy the full version I want to s...
11 comments posted 22yrs
posted by anonymous
11 comments posted 22yrs posted by anonymous

Creating PC boards

So Im wanting to make a few boards to try out some notions. I can create the layout but am not sure how to proceed from...
11 comments posted 22yrs
posted by anonymous
11 comments posted 22yrs posted by anonymous

COB PCB with blinking led

I'm looking for a COB(chip on board) PCB with a blinking led. This can be found in toys and electronic candles. I need...
2 comments posted 22yrs
posted by roy.c
2 comments posted 22yrs posted by roy.c

Phase Meter Circuit

Hi Does anyone have a circuit for a phase meter upto 1MHz? Cheers Wayne
7 comments posted 22yrs
posted by nospam-mail
7 comments posted 22yrs posted by nospam-mail

lightning control

hi what do u guys recommend for home lightning control to use: solid state relays, TRIAC, high power mosfet, igbt, thyri...
8 comments posted 22yrs
posted by eye1ess
8 comments posted 22yrs posted by eye1ess