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Search: Posts Made By: hemilton
Forum: Microcontrollers (MCU) 12-05-2017, 08:13 PM
Replies: 2
Views: 185
Posted By hemilton
There is not any real RISC V hardware. Who would...

There is not any real RISC V hardware. Who would invest into making a commercial system? The best you will probably see in coming years is the same GCC/Eclipse + commercial support.
Forum: Microcontrollers (MCU) 10-19-2017, 06:17 PM
Replies: 1
Views: 268
Posted By hemilton
You could get your own PICkit 3 clone cheaper...

You could get your own PICkit 3 clone cheaper than privately shipping a used one halfway round the world. Also what PIC do you want to program? Not all programmers handle all PICs.
Forum: Microcontrollers (MCU) 08-22-2017, 04:20 PM
Replies: 1
Views: 353
Posted By hemilton
Coroutines have been proposed, but didn't make it...

Coroutines have been proposed, but didn't make it into C++17. In the meanwhile, there are existing implementations of coroutines, eg. Boost.Asio, and libraries like Protothreads.
Forum: Microcontrollers (MCU) 06-24-2017, 05:35 PM
Replies: 1
Views: 503
Posted By hemilton
The STM32 chip has a built-in serial bootloader,...

The STM32 chip has a built-in serial bootloader, but it isn't that fast in reality. You can load your own bootloader using this, and load the main firmware using your own USB bootloader. This way,...
Forum: Microcontrollers (MCU) 05-16-2017, 06:12 PM
Replies: 1
Views: 762
Posted By hemilton
All the connections appear to be correct.

All the connections appear to be correct.
Forum: Microcontrollers (MCU) 05-08-2017, 12:02 PM
Replies: 1
Views: 618
Posted By hemilton
Use 64 bit variables? Shift the bits into 64bit...

Use 64 bit variables? Shift the bits into 64bit variables and then do the math with them.
Forum: Projects and Advices 03-12-2017, 06:25 PM
Replies: 2
Views: 1,062
Posted By hemilton
The first thing that was zasomnevalas. Did I...

The first thing that was zasomnevalas. Did I detector voltage transition through zero, also on the basis of the time of on/off of the optocoupler, and noticed that the my scheme is considerably...
Forum: Projects and Advices 02-07-2017, 05:35 PM
Replies: 1
Views: 1,090
Posted By hemilton
About the first scheme - not printed...

About the first scheme - not printed interjections. Efficiency - the floor.
The second is to put the 46 and 70 amp transistors top waste
Forum: Projects and Advices 11-21-2016, 05:25 PM
Replies: 1
Views: 2,409
Posted By hemilton
Tiny quadcopter There are versions where the...

Tiny quadcopter
There are versions where the quadcopter can swim under water
Forum: Projects and Advices 11-02-2016, 07:50 PM
Replies: 1
Views: 2,982
Posted By hemilton
Warm colors to choose 3000 - 4000 К Then there...

Warm colors to choose 3000 - 4000 К
Then there will be good lighting
For the lighting of motorways to apply 6000 К
Forum: Projects and Advices 10-31-2016, 06:23 PM
Replies: 2
Views: 2,897
Posted By hemilton
Due to the hall sensor ... There are options...

Due to the hall sensor ...
There are options with optocouplers.
Forum: Beginners 09-02-2016, 04:49 PM
Replies: 1
Views: 4,279
Posted By hemilton
Angle of what? The street corner? What is...

Angle of what? The street corner?
What is "am/PM"? Please speak in complete words instead of abbreviations that can be anything (eat= eat more? IR= reverse?).
Forum: Projects and Advices 08-29-2016, 04:10 PM
Replies: 6
Views: 3,789
Posted By hemilton
Arduino platform is very Comfortable Modern...

Arduino platform is very Comfortable
Modern microcontrollers have enough resources.
Application code can weigh up to 100 KB ! Previously, it was a transcendent value.
Forum: Electronic Components 07-20-2016, 06:03 PM
Replies: 1
Views: 6,580
Posted By hemilton
Put a 2-5k resistor between GS.

Put a 2-5k resistor between GS.
Forum: Projects and Advices 06-06-2016, 08:09 PM
Replies: 1
Views: 7,218
Posted By hemilton
Take a search on the Web using keywords...

Take a search on the Web using keywords "QRS+Detection+Algorithm"
Forum: Beginners 05-26-2016, 06:52 PM
Replies: 2
Views: 6,415
Posted By hemilton
The srand() function requires be feed by a seed...

The srand() function requires be feed by a seed number, prefereably assynchronous with the microprocessor's clock, such as for example getting the instantaneous value of an endless counter at the...
Forum: Beginners 05-15-2016, 10:27 AM
Replies: 1
Views: 6,074
Posted By hemilton
If you want LM311 specification - use LM311. ...

If you want LM311 specification - use LM311.
If you want a different specification, e.g. low supply voltage, rail-to-rail, low power, whatsoever - tell your specification.
Forum: Microcontrollers (MCU) 04-07-2016, 07:29 PM
Replies: 2
Views: 7,577
Posted By hemilton
It is not correct to connect BOTH VCC and GND...

It is not correct to connect BOTH VCC and GND together. It is possible to get some power from the data pins.
Forum: Beginners 02-26-2016, 07:19 PM
Replies: 2
Views: 5,980
Posted By hemilton
That's new! Technically, there is no negative...

That's new! Technically, there is no negative Power Factor because power factor is cos(Phi), in which phi is angle between voltage and current.
Forum: Beginners 01-25-2016, 09:15 AM
Replies: 3
Views: 5,541
Posted By hemilton
I think the 0.577ms 2A current burst in a 4.615ms...

I think the 0.577ms 2A current burst in a 4.615ms period with otherwise 40mA consumption can be supported by a big cap: a capacitance of ≧ 1.5mF is sufficient to prevent a voltage drop from 4.2V down...
Forum: Microcontrollers (MCU) 01-25-2016, 09:13 AM
Replies: 5
Views: 12,550
Posted By hemilton
change .equ baudrate

change .equ baudrate
Forum: Microcontrollers (MCU) 01-17-2016, 06:14 PM
Replies: 2
Views: 7,008
Posted By hemilton
See if you have Software I2C Library. If you have...

See if you have Software I2C Library. If you have then create a software I2C objects like bmp180 and use it to read the Sensor.

Here it is.

http://playground.arduino.cc/Main/SoftwareI2CLibrary...
Forum: Microcontrollers (MCU) 01-16-2016, 04:47 PM
Replies: 2
Views: 6,963
Posted By hemilton
In the posted code the braces are not properly...

In the posted code the braces are not properly paired.

This code
i++; //if terminal voltage goes beyond 16V
if(i>=35)
i=35;
for(j=0;j<10;j++) ...
Forum: Microcontrollers (MCU) 01-03-2016, 02:58 PM
Replies: 3
Views: 7,166
Posted By hemilton
SDA and SCL waveforms look like you have too high...

SDA and SCL waveforms look like you have too high pull-up resistor values. To allow checking of signal timing, you should capture SDA and SCL with two oscilloscope channels.

You should also...
Forum: Beginners 12-18-2015, 03:44 PM
Replies: 1
Views: 5,670
Posted By hemilton
The problem is solved by a microcontroller and a...

The problem is solved by a microcontroller and a file system.
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