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Search: Posts Made By: hemilton
Forum: Microcontrollers (MCU) 12-05-2017, 08:13 PM
Replies: 2
Views: 51
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: 205
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: 282
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: 425
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: 675
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: 546
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: 949
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: 979
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: 2,358
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: 2,932
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: 2,855
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: 4,176
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: 3,751
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: 6,502
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: 7,197
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: 6,305
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: 6,012
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: 7,482
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: 5,958
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: 5,495
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: 12,417
Posted By hemilton
change .equ baudrate

change .equ baudrate
Forum: Microcontrollers (MCU) 01-17-2016, 06:14 PM
Replies: 2
Views: 6,939
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: 6,940
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: 7,147
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: 5,652
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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