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Results tagged with microcontroller
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user 857
A device which includes a central processing unit (CPU), memory, and (generally) an assortment of I/O peripherals (UART, ADC, DAC, general-purpose I/O, I2C, etc.) in a tightly-coupled standalone package.
3
votes
Is there a sure-fire way to determine if an MCU is fried?
Are you looking for a general solution to verify RAM, Flash, and peripherals, or just to determine if it's still programmable? It reads like you're looking for the latter, but I'm not sure that's wis …
- 20.2k
3
votes
What microcontroller should I use?
The NI Labview environment is expensive, but it will do what you need (Over USB, Ethernet, or PCI depending on what you get.)
The Arduino Mega has 54 pins, which gets you close, for $60. However, i …
2
votes
Are there any powerful processors that exist that are hobbyist friendly?
Cool project! I suppose that your choice of processor (and reason for needing external memory) will depend on how you define "simple graphing capabilities" and "limited programming ability".
Stop …
- 20.2k
1
vote
Microcontroller with >30KB RAM and high performance in a TQFP-44 or similar package
Running your requirements through Digikey's interface (In stock, then 32kB+ of RAM, then 40MHz+, then >48-pin packages) results in:
P8X32A-XXX: $8, 80MHz Parallax Propeller, in DIP, QFP, and LQFN pa …
- 20.2k
7
votes
1-wire parasitically powered microcontroller?
You might consider adding a request to your custom slave's functions to say "OK, I'm going to need a lot of current for a little while here", and add a MOSFET pullup to your output. Then, you could t …
- 20.2k
3
votes
Functional Programming with MCU(s)
It's possible to do some functional programming with the Lua language. Really, Lua is a mutli-paradigm language; Wikipedia claims that it's a 'scripting, imperative, functional, object-oriented, proto …
- 20.2k
5
votes
Software to manage packaging all files related to a product (for hand off to customer)
It sounds like you're more interested in the release packaging than PLM. Just putting all the files together isn't a bad solution. It works for a lot of projects! With a few caveats and policies, i …
- 20.2k
5
votes
Accepted
What options for 16 bit audio sampling to low cost microcontroller
At a system design level, there are four basic ways to do audio:
The first is to use the onboard ADC and/or DACs included with your microcontroller. … The chip will integrate ADCs and DACs which are ideally suited for stereo audio into a single package, and you can address it over a serial link from your microcontroller. …
- 20.2k
2
votes
How to power a low consumption Computer On Module from noisy industrial power sources
In an industrial environment, the cost of the electrical panel is a tiny fraction of the value of the items that will be processed. Furthermore, the cost of an ordered part (even at industrial premiu …
- 20.2k
2
votes
Accepted
Is there a cheap alternative to AVRs that can run the .Net Micro Framework?
The price of a microcontroller running the .NET framework will always be greater than the price for a microcontroller with equivalent performance (or equivalent to the price of a micro with greater performance … Microcontroller with Java API
What are the .NET Micro Framework ready systems available?
Is C++ suitable for embedded systems? …
- 20.2k
2
votes
How to determine if TV is on by looking at yellow RCA monitor signal?
For the Arduino, this means you must be between -0.7 and 5.7V, to avoid turning on the diodes internal to your microcontroller. …
- 20.2k
5
votes
What are the properties of an N-bit microcontroller?
A microcontroller or processor is called 'N-bit' because controllers and processors have a fundamental data width. …
- 20.2k
16
votes
Accepted
Designing with fuses...when to use?
Fuses protect against fires. If you have a non-current limited supply (like a connection to mains power or a large battery) and you develop a short on your PCB, it's possible to ignite something.
…
- 20.2k
2
votes
MCU choice, 3 Mbps UART
I think that the ARM7 or Cortex-M3 parts already recommended should fulfill your need if clocked sufficiently quickly, but wanted to add another alternative.
The Atmel AVR32 has an external bus inte …
- 20.2k
18
votes
Accepted
How can I control many LEDs with just a few pins on my micro?
There are several methods which can be used to drive large numbers of LEDs from a few IO pins.
The simplest is standard row/column display multiplexing. With this technique, you can drive \$( n / …
- 20.2k