Tagged Questions

3
votes
1answer
140 views

Arduino LED brightness switching using pushbutton

I'm trying to switch between 4 different brightness of an LED using an Arduino Uno. I've used analogWrite and not digitalWrite with PWM. The problem i'm facing is that the brightness does not switch ...
0
votes
1answer
59 views

How to use the PIC16F628A's PORTA,4-7 as inputs?

I'm working on a countdown timer and I want to use the MSN of PortA for my switches. I'm using MPLAB. I can't use C to program the PIC because the collage taught us to program in decimal, and they ...
-1
votes
4answers
177 views

What should hardware do and What should software do?

I am studying embedded system which typically includes MCU and so on. I use the thinking method of using 8051 that using peripheral unit must be done in software. But I learned that some MCUs like ...
5
votes
2answers
596 views

Multiplexing, Animation, Bitmap coding on MCU. How to do it right?

I have been recently getting into programming and micro controllers. I found myself that i don't really know how to do multiplexing, animation, easily displaying pictures on LED display. I have been ...
14
votes
10answers
2k views

What kind of project could help a software engineer become more of an electronic engineer?

I'm a software developer with practically no electronics background, but I want to get into this since it's relevant to the work I'm doing (infotainment system development). I'm a software engineer, ...
0
votes
2answers
554 views

Is it Possible to Control Vehicle Key Fob/Remote Start with arduino board?

Curious if there are any projects out there in which someone controlled a remote vehicle starter with an arduino board. Specifially, I am considering a method to start my car at a preset time every ...
14
votes
5answers
415 views

Bulletproof firmware upgrades

What kind of techniques are used to enable a user to safely upgrade a device firmware post sale? I want to do this with a Cortex M3/4 microcontroller, but I guess techniques for any micro should do. ...
5
votes
2answers
743 views

About Code Density and its definition

I have a conceptual question: What means "high" code density? and why is it so important?