Questions tagged [output]

A signal or power being generated by one system for consumption by another, or a connection for that purpose.

9
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3answers
20k views

Reading and understanding electrical specs on laptop AC adapters

My Dell laptop comes with an AC adapter with the following specs: 65 W Input AC: 100 - 240 V, ~1.5 A, 50 - 60 Hz Output DC: 19.5 V, 3.34 A My HP laptop: ...
4
votes
3answers
177 views

Recommendation for a USB digital simulator

It's becoming quite frequent to me having a new digital subsystem which I want to test in isolation before trying to make a prototype circuit. I've been using the digital analyzer by Saleae for inputs,...
9
votes
2answers
3k views

meaning of set low/set high

I often see those phrases in tutorials with microcontroller I/O. An example use is "set pin 3 high", or "set pin 5 low for 20 ms". I also recall reading several different definitions on what that ...
2
votes
4answers
4k views

Hex inverter floating outputs

For a project, I am connecting the output ports of a 74AC04E hex inverter to bnc ports. Something could be (but not necessarily) be plugged in at one or more ports at a given time. Should the ports ...
4
votes
2answers
5k views

Configure a PIC pin for Input and Output

I am working on a project which uses a PIC24FJ64GA002 mcu. I am working on a bit-banged serial communication function that will use one wire to send data and then switch to receive mode to receive ...
8
votes
3answers
622 views

Easiest and cheapest way to get digital outputs from a computer to the real world

I need a number of digital outputs to connect my computer to the real world, however it seems that this job is not nearly as easy as I had hoped. I've looked into a number of different methods, ...
3
votes
3answers
3k views

arduino thermal anemometer

I've been trying to use my arduino as a thermal anemometer based on the excellent and tiny IST FS5 "thermal mass flow sensor" - there is more information and a datasheet here - http://uk.farnell.com/...
5
votes
2answers
1k views

Programmable current source

I need to build a programmable current source from a 8051 microcontroller. It needs an output current from 0 to 10mA maximun. How do i go about doing this? what circuits do i need to build? I was ...