Geek magazine hacker daily blog

Термостат-Вольтметр для авто

2 years, 9 months ago
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Привет! Сегодня я предоставляю вашему вниманию термостат+ вольтметр для авто. У меня на авто ЗАЗ 1102 вечно ломается кран и я решил сделать вот такой термостат который будет включать электроклапан, но чтоб задействовать ми контроллер как-то еще, я решил добавить вольтметр.

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Comparison of compilers for development on microcontrollers with ARM Cortex-M kernel

2 years, 9 months ago

In this article we will test 3 the compiler for Kinetis microcontrollers with ARM Cortex-M4 kernel.
Let's start the tests CoreMark, Whetstone, Dhrystone.
We investigate shrinking algorithms with the minimum consumption of OZU and we will find out as different compilers influence their high-speed performance.
And we will even try to learn as far as Kinetis on high-speed performance lags behind Intel Core I7.




The previous articles about development on Kinetis microcontrollers:

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We do the "eternal" mass air flow sensor on ATiny13

2 years, 9 months ago


This project appeared because of unwillingness to buy the part which was in the use about 30 (thirty) years for absolutely rather big sum of 3000 — 5000 rub. It is possible to tell that it will be first attempt at writing in circuit engineering and programming of microcontrollers. If it is interesting — continuation under a cat.

Carefully the photo is a lot of!

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MP8036multi: example of work as the thermostat

2 years, 9 months ago
In the last publication we gave an example of work of BM8036multi in the timer mode. In this part we will consider operation of the module in the thermostat mode.



In many country houses the gas boiler providing heating of the house and supply of hot water is set. Often these boilers – an old sample or very budget, not having the sufficient level of automation. There is a natural desire to finish these boilers and to increase comfort and safety at their use.

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Tetris on the microcontroller in Tera Term

2 years, 10 months ago
This year the Atmel company announced a line of "younger" korteks of M0+ of SAM D09, SAM D10, SAM D11 family. These not strongly "fancy" controllers have the low price and the small body. And in a line there are stones at the easily soldered SOIC-14 and SOIC-20 body. Very cheap debuggings from the Xplained mini series which are compatible to shilda from Arduino are available to acquaintance with opportunities of the controller. These features, perhaps, will cause interest not only among professional developers, but also in radio fans.

When debuggings fell to us into hands, there was a wish instead of a "serious" demonstration task in honor of the coming New year to make something amusing and creative. We scraped a bottom of the barrel and found old proyektik — a tetris on MEGA168 through a terminalka and decided to port it on a new stone and to provide to the public. Practical sense in it any that Just for fun is called. To whom details are interesting, I ask under kat.


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What Arduino forgot under a cowl of the old car or management of air temperature on an admission of an unusual method

2 years, 10 months ago
And again hello!

After a long break solved will share one more non-standard (and perhaps not necessary) a solution, but this time we will have not toy machines, and quite to ourselves the presents.


Thoughtful silence usually visits experienced mechanics when explain to them that it..., And yes, it is the BLUE insulating tape!

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Artificial intelligence as a gift – the choice of the robot for New year from the point of view of the consumer and the father

2 years, 10 months ago
Soon New year, and it means that again we are waited by a wonderful time of tangerines, Russian salad, the famous comedies with a jellied fish, and, of course, parting with the certain part of the family budget selected for gifts. And if (perhaps) it is possible and to save on the mother-in-law, then here and not really children, most likely, should buy gifts to the after all.



So, difficulties in the choice of a worthy gift for the child can potentially concern many of us. Actually, I faced them also, and I will be glad to share the found solutions with you. And I looked for a set for assembly of the robot in house conditions or, at the worst, the robot ready to the use, for two uneven-age offsprings. Under a cat there are a lot of letters, video and pictures with impressions on this subject and the facts about a state of affairs in [Internet] shops of the capital of the Russian Federation — however, this information too mostly has to be actual for regions.

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MP8036multi: example of work as the timer

2 years, 10 months ago
Recently at the Master Keith innovation appeared: the MP8036multi module which represents the multifunction configured controller with simple and clear commands.



Uniqueness of the MP8036multi module consists in flexibility of its configuration: the status of outputs of the controller can depend on different combinations of statuses of inputs. At the same time programming of this module for any specific objective should not cause any difficulties. Based on MP8036multi it is possible to automate a lighting system, management of heating, emergency supply of the house or giving, to automate watering and ventilation of the greenhouse, and also to implement many other solutions.

As the first simple example we will tell how to construct management system a diorama.

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ATtiny85: prototype of a wireless sensor

2 years, 10 months ago
Usually, for transition from idea to implementation, the device prototype convenient for check and debugging on site is necessary that especially important for the mobile device. Further I will try to investigate most in detail process of creation of a prototype of a wireless sensor based on ATtiny85.



The purpose — to create a sensor temperature and the status of lighting working, figuratively speaking, in a box with artificial lighting and transferring with immediate reaction to lighting change: it joined, disconnected, blinked. The sensor is decided to be made mobile and to feed from the CR2032 element, in other words, at discharge till 2:7V (a limit for the TMP36 sensor), it is possible to calculate on 200mAh.

The ATtiny85 microcontroller has only 5 input/output ports and an opportunity to disconnect RESET for benefit of additional port. This budget was distributed as follows:

  • 3 ports — the NRF24L01+ radio module, the specification demands five ports, but in this case it is not acceptable and the pinovy configuration will be used 3rd;
  • 1 port — the lighting sensor based on the BPW17N phototransistor;
  • 2 ports — the temperature sensor based on TMP36, the second port is necessary for power supply giving to have an opportunity to switch-off the sensor if necessary.


The element base is defined, it is possible to start design.

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Besknopochny hours

2 years, 10 months ago
The hours brought to your attention are, in fact, a by-product of studying of properties and habits of a popular animal on the nickname ESP8266. I think, any person who is getting acquainted with any microprocessor implements on it the version of hours sooner or later.
Only what distinguishes my hours – they have no buttons. In general. They just show exact time.


— And still, where it has a button? © Adventures of the Electronic engineer.

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