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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.
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
5
votes
Accepted
How can I simulate a battery's current/voltage characteristics?
First, a voltage regulator whose voltage can be changed by a microcontroller is more typically called an digital to analog converter, or DAC. … A resistor will instantly respond to changes in voltage and current, without any complicated code on a 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
5
votes
Accepted
ATMega8 - PORT C - Digital Output Issue
Your problem:
Your DDR setting is incorrect: You've written
DDRC |= _BV(PC0) | _BV(PC1) | _BV(PC3) & _BV(PC2);
but you want
DDRC |= _BV(PC0) | _BV(PC1) | _BV(PC3)
DDRC &= ~_BV(PC2);
You say yo …
- 20.2k
3
votes
Accepted
Is possible to use Ipad touch screen with PIC16F707 MCU for DIY ?
No. The touch-panel controllers that you'll have access to are designed for building capacitive button panels like those that might be found above your laptop keyboard or on the side of your TV, not …
- 20.2k
4
votes
Seemingly unstable basic PIC18F2550 circuit
Even though you're not using the Vusb pin, it's still a component of the chip you're using. You're not disabling it in code, so you need to comply with the requirements in table 28-5.
Those require …
- 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
7
votes
Accepted
Seeking MCU with 9 data bit UART
The ATmega series has a 9-bit UART
The ATmega series of microcontrollers (datasheet) has the ability to use 9 data bits without messing with the parity bit. This functionality is described in the ti …
- 20.2k
2
votes
How to add an RC filter between a header pin and a ribbon cable
Notice that there's a resistor between these two, you can't get this setup without something between the cable and the microcontroller. …
- 20.2k
5
votes
Cycle counting with modern CPUs (e.g. ARM)
Timing information is available, but, as you pointed out, can occasionally be vague. There's a lot of timing information in Section 18.2 and Table 18.1 of the Technical Reference Manual for the Cortex …
- 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
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
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
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
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