Electronics Forum: circuit and boards (Page 1 of 212)

new to circuit boards trying to figure out where to connect positive and negative power to wireless transmitter

Electronics Forum | Mon Jan 30 12:35:31 EST 2017 | davef

Look here: http://arduinobasics.blogspot.com/2014/06/433-mhz-rf-module-with-arduino-tutorial.html

new to circuit boards trying to figure out where to connect positive and negative power to wireless transmitter

Electronics Forum | Thu Feb 02 16:59:54 EST 2017 | smduke

thank you, that will help. I also purchased a beginner kit so I can learn how to use this stuff.

new to circuit boards trying to figure out where to connect positive and negative power to wireless transmitter

Electronics Forum | Mon Jan 30 10:01:07 EST 2017 | smduke

Hello and thanks in advance. I am new to this stuff, I bought a wireless transmitter receiver and am wondering how to connect the power source, a buzzer to the receiver and a led light to the receiver. attached is a screen shot of what I have and wh

Printed circuit boards materials

Electronics Forum | Mon Apr 12 11:32:47 EDT 2004 | Luis Lazcano

Can you share some information on the hazardous materials and cleaning details for your manufacturing processes, please ? These are the questions I need to ask you: 1. Do you use brominated fire retardant in PWB material? If not, what other type

Printed circuit boards materials

Electronics Forum | Mon Apr 12 22:50:46 EDT 2004 | davef

For more information on flame retardents, try these sites: * http://www.bsef.com * http://www.firesafety.org For the summary of a study into flame retardants try: http://www.surrey.ac.uk/PRC/ IVF carried out an international study on alternati

ribbon cable circuit boards depanalization

Electronics Forum | Thu Jan 03 15:20:02 EST 2002 | Luis F. Otero

What method of depanelization is used to depanelize circuit boards made of flexable ribbon cable material.Any input welcomed. Luis F. Otero (915)-780-5504

Moisture absorbtion in circuit boards

Electronics Forum | Mon May 27 18:59:24 EDT 2002 | Armynski

Carol, That time is also acceptable (2 Hrs @ 125 deg C) u can use this too... 6 Hrs @ 75 deg. C regards, Dreamy

ribbon cable circuit boards depanalization

Electronics Forum | Thu Jan 03 22:39:37 EST 2002 | davef

For us, it depends on product volume: * Low volume: Tailor's scissors sharpened for the job. * Mid volume: Custom die used in a press. * High volume: We don't do this, but we'd have buy a singulation machine, er something like that. [Search the SMTne

Moisture absorbtion in circuit boards

Electronics Forum | Mon May 27 18:25:03 EDT 2002 | Carol Stirling

Thanks for the information Reworkman, We are leaning to the theory of better safe than sorry. I think I'd supply the bags and dessicant just to eliminate manufacturing issues. What temps & times do you ask your boardhouse to bake to? Ours said some

Moisture absorbtion in circuit boards

Electronics Forum | Tue May 21 17:25:28 EDT 2002 | Carol Stirling

Hi Dave F, Thanks for the reply, the question was Customer driven. Could you clarify your recommendations for heat sealed moisture barrier bags please - does this include Nitrogen vac pack? Our production runs are small, so there is an investigat

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