Hobby Electronics Basics

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trying to understand the REF pin on a DAC

Can someone explain what the REF pin on my DAC is for? It's an input voltage reference that can be GND, Vdd-1.5 or nomi...
12 comments posted 19yrs
posted by kasterborus
12 comments posted 19yrs posted by kasterborus

Search OpAmp chip as a voltage follower

Hello, I am now looking for an Operation Amplifer chip able to be a voltage follower, which I need to use as a buffer b...
17 comments posted 19yrs
posted by lvwener
17 comments posted 19yrs posted by lvwener

Low light camera for catching kids littering

I live across the street from this family with 20-some year old "kids" who, I suspect, frequently throws things out the...
5 comments posted 19yrs
posted by hondgm
5 comments posted 19yrs posted by hondgm

Search chip to drive a camera with YUV interface

Hello, I'm looking for a camera controller able to drive a camera with YUV interface. I've found an Epson one but it in...
0 comments posted 19yrs
posted by stephane.bertus
0 comments posted 19yrs posted by stephane.bertus

Hand Soldering

I'm a EE student at Cornell working on a research project. We have to do a significant amount of hand soldering for the...
12 comments posted 19yrs
posted by jsc59
12 comments posted 19yrs posted by jsc59

TL082 - can this be run at +/- 15v ?

I have a TL082 in my DAC circuit - the specs say that this chip needs +/- 18v - my psu only puts out +/- 15v - if I wer...
4 comments posted 19yrs
posted by kasterborus
4 comments posted 19yrs posted by kasterborus

How to interface Arduino to a 12-bit serial DAC

Can anyone give me some pointers on what I would need to do to get a TLV5618 12bit serial DAC running with an Arduino?...
5 comments posted 19yrs
posted by kasterborus
5 comments posted 19yrs posted by kasterborus

USB Controllers

Can some one give me a little info about usb controllers I have being looking on the net and Im not sure what I should...
4 comments posted 19yrs
posted by rickj
4 comments posted 19yrs posted by rickj

Is a USB Charger Universal?

Hello, Rechargeable MP3 players recharge from the PC's USB port. I want to buy a wall charger, for travel, for MP3 playe...
9 comments posted 19yrs
posted by titani
9 comments posted 19yrs posted by titani

[OT?] Off-the-shelf radio beacon?

This is probably off-topic because it's for an sf story rather than something I'm actually trying to do, but I need a r...
5 comments posted 19yrs
posted by noreplies
5 comments posted 19yrs posted by noreplies

OVP With the MC3423

I'm using the MC3423 for OVP and the remote activation pin for current limiting. I've been seeing some pretty weird beh...
0 comments posted 19yrs
posted by spamme
0 comments posted 19yrs posted by spamme

Display impedance on Genesys' Smith Chart?

Hi Guys, Something that has wasted hours of my time, and without any success: I'm trying to make the Agilent Genesys li...
7 comments posted 19yrs
posted by billcalley
7 comments posted 19yrs posted by billcalley

switching terminals

I require a multiple switch, with about three to eight terminals. It should be inexpensive and compact. Anyone please re...
6 comments posted 19yrs
posted by kvsteve
6 comments posted 19yrs posted by kvsteve