Latest threads in General Electronicsshow only best voted threads

Subject Author Posted Replies
 
5-7 digit up/down counter with display
I know, not really repair, but this newsgroup has at least as good suggestions as the others and I'll cross-post to sci.electronics.misc. I need to either build or acquire an up/down counter with LED...
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?
what is this and whose the person who came into my google group.
 
How do I make a IBM POS VFD Customer Display work? - Help Anybody!
I have four IBM POS VFD Customer Displays aka "Pole Displays" This is the one attached to various IBM electronic cash registers that shows the customer the price of each item as it is rung up and then...
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BollettiniTecniciGeloso
TECHNICAL REPORTS GELOSO For those who want to relive the history of Eng. Geloso and his company (the Geloso SpA), through its TECHNICAL REPORTS ; I recommend the following link, from which you can...
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What is this? Some kind of diode?
Have a automotive battery charger/car starter which doesn't work quite right. Won't charge the battery up more than half-way, and I find 5.5VAC rather than the expected DC of 1.5V (+/-) applied to the...
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Piezoelectric Crystal. (Please Assist)
Hi to all , i'm a ME student doing my final year project, working on piezoelectric crystals. My plan is to produce enough electricity to charge up a AA battery when in motion , using the piezoelectric...
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? on "isolated" tab on SCR
Have an SCR rated at the same amperage as my defunct car battery charger/starter, but it has an "isolated" tab. The one in the charger/starter is an NTE5539, which is NOT isolated. Can anyone tell me...
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Ethernet Wall Socket Connection Difficulty
I have a wall plate for an internet connection, and a cable strung through the wall with a male plug on it. The plate came with a socket fixture which has a female socket on the outside, and a...
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Any ideas as to what this might've been intended for?
The item in photo is a coil of 20-gauge copper wire (with enamel or varnish insulation), is 12 inches in diameter, weighs close to 5 pounds and has a resistance of about 25 ohms. The coil is wrapped...
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The Better Way To Get Electronic Stuff
 
look for pcb order
I am a salesman for pcb,look for pcborder.if you have order,please contact withme freely.
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Compilation error
#include #include #include #include #include //#include using namespace std; int main(){ string abb[93]; string lat[93]; abb[0]="aa"; lat[0]="ana partes equales"; abb[1]="aa ad"; lat[1]="ana partes...
 
hello
there is a lot of intresting things
 
How can I vary an Ultrasonic Mist Maker vibration using a sound card tia sal2
Greetings All I would like to vary an ultrasonic mist maker like this one my audio sound card. Example: I want to produce complex waves using my sound card 4000Hz square wave combined with some 1000...
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USB drive in a ziploc bag?
What are the chances of a USB drive being damaged by static electricity if someone put it in a ziploc drive?
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