Electronics Forum: adds (Page 116 of 164)

Protecting PCB, multiplexers and MCU in vending machines

Electronics Forum | Tue Nov 15 16:07:39 EST 2022 | corusak

Hello everyone, I am working on a very low cost, small and basic vending machine ($300) with wooden cabinet for small neighborhood stores. As you may know, it is necessary to properly protect the components to prevent users from trying to steal money

Re: When using noclean flux or clean flux process?

Electronics Forum | Wed Sep 22 02:45:23 EDT 1999 | Brian

| | Dear All, | | | | In order to understand the soldering technologies in SMT, I'd like to understand why some cards are soldered and then cleaned, or only soldered whitout water cleaning nor "ultra sound" wavelength. | | | | I mean that I wonder

Possibility of a cheaper pick and place machine design?

Electronics Forum | Fri Jul 04 19:17:37 EDT 2014 | andrespena

Hi (I don't know if this forum is the best place to post something like this, but I don't know of other places on the internet, so... sorry if I'm in the wrong place) Might there be an easier way to add components (e.g. computer chips) to a circuit

85K grant. How best to use?

Electronics Forum | Tue May 24 15:39:04 EDT 2016 | spoiltforchoice

It seems a remarkable coup to have been awarded a grant without already having specified exactly why you want it, what you are going to spend it on and how it will benefit your business and the local area. I had an email about the Fox just the other

Re: Dbl-Sided Reflow Question

Electronics Forum | Fri Jun 02 17:33:51 EDT 2000 | Dave F

Hey CK, we�re all sodder googoo�s ... wanna be gurus Why donchu tell �em not to put sodder in your vias? Er, makit so the sodder won�t flow out of the bottom of the vias and cause dem stalactites? OK OK, here�s wacha do, modify the second side ste

Ready, Shoot, Aim!!!!

Electronics Forum | Mon Mar 26 08:53:33 EST 2001 | wbu

Don�t panic and don�t hope to get past the dreck. I had a dream... but than I realized that it takes 1. hard work 2. perseverance 3. hard work (... because it takes twice as much hard work as it takes perseverance ) My personal experience (faults):

Re: 1 mil = ?? inches

Electronics Forum | Fri Sep 17 10:07:40 EDT 1999 | Brian

| | | | | I am not familiar with the "mil" metric. How many inches is in 1 mil? | | | | | | | | | | ...or 10 mil? | | | | | | | | | | | | | | each mil = .001" | | | | | | | | Earl Moon | | | | | | | At risk of informing someones grandmother on

Re: 1 mil = ?? inches

Electronics Forum | Fri Sep 17 10:33:07 EDT 1999 | Earl Moon

| | | | | | I am not familiar with the "mil" metric. How many inches is in 1 mil? | | | | | | | | | | | | ...or 10 mil? | | | | | | | | | | | | | | | | | each mil = .001" | | | | | | | | | | Earl Moon | | | | | | | | | At risk of informing some

Re: 1 mil = ?? inches

Electronics Forum | Fri Sep 17 15:04:12 EDT 1999 | Dave F

| | | | | | I am not familiar with the "mil" metric. How many inches is in 1 mil? | | | | | | | | | | | | ...or 10 mil? | | | | | | | | | | | | | | | | | each mil = .001" | | | | | | | | | | Earl Moon | | | | | | | | | At risk of informing some

Re: 20 mil qfp bridging

Electronics Forum | Fri Aug 13 13:47:52 EDT 1999 | Brian Wycoff

| | | | | Hello | | | | | | | | | | Having a problem with bridging on 20mil pitch qfp, only on the lead groups where squeegee goes over width of apertures. Using MPM sp-200 semi-auto, chem-etch stencil, 9-10mil width opening | | | | | 100 durometer


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