ab-log.ru
RegisteredWebsite ab-log. ru is a real storehouse of ideas for those who are interested in home automation and creating Smart Home systems. Everything is collected here, from detailed descriptions of projec...
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Website Description
Website ab-log. ru is a real storehouse of ideas for those who are interested in home automation and creating Smart Home systems. Everything is collected here, from detailed descriptions of projects to practical advice on connecting a wide variety of modules to the MegaD-2561 controller.
What does this site actually do?
At first glance, it seems that this is just a developer's blog. But in reality, this is a full-fledged platform for electronics enthusiasts who want not just to assemble something, but to really make their home smart. The site is live, updated regularly, there are articles about real projects: from installing a WiFi camera on a lawn mower to creating a fire alarm using IP-212-141 sensors.
The approach to experiments especially stands out. Don't just plug it in and forget it. Here they tell you how an ultrasonic wind sensor works, how they checked water pressure sensors, how they measure the level of radon in an apartment - all this with details, without embellishment. Sometimes even errors are described: for example, when something did not work right away or it was necessary to reflash the module.
MegaD-2561 controller is the central character
This controller is the basis of everything. It can work with HTTP, MQTT, I2C, 1-wire, Wiegand, UART - in short, with almost everything. It can be used as a gateway between different protocols. There are versions with RTC (time clock), PoE (power over the network) and even monoblocks, where everything is already assembled in one case: relays, inputs, power supply. Even a buzzer is built in - so the system can report events itself.
And there are also expanders - MegaD-16R-XT for additional relay channels, MegaD-16U-XT with PWM outputs, as well as modules for connecting temperature sensors like DS18B20, only original ones and with a heat-resistant cable. All this is not just an inscription on the board, but actually working solutions.
What else can you find?
- Control equipment via IR channel- yes, through MegaD-2561 you can control a TV or air conditioner, as if you were using the remote control.
- Apple HomeKit integration- using HAP-NodeJS you can add devices to the Home application. No unnecessary services, everything is local.
- Sensors for the home- from a CO2 sensor (SCD4x, T6703) to measuring water pressure in bars. True, as it turned out, an easy way to get an accurate value is to use I2C sensors, but you need to know their features.
- Experiments with radioactivity- RadSens is also located there, which allows you to monitor radiation in the house, which is especially important after the events of recent years.
And there are also interesting things: for example, an iPhone on the wall as a control panel. Yes, it really works! Or a cover for a lawn mower with a camera - to see where it goes. Articles about neural networks? Eat. How they fought dogs using pattern recognition - too.All this is not just something, but living projects that someone has already assembled and tested.
Firmware and updates
Each update is a step towards improvement. Version 4.68b8 introduced support for INA226 - a current and voltage sensor. And in b7 they improved the operation of PID controllers. This is important because if automation is to work reliably, details like these play a key role.
It must be said that the site does not store only theory. There's a lot of practice there. Even a TTL-MegaD adapter is for those who want to connect older sensors. Or RPi-MegaD-Adapter - to connect Raspberry Pi with modules. Simple, clear, without unnecessary noise.
The site does not look like a typical online store. Although you can buy controllers here, the main value is in the knowledge. Each article is a story, an experience, sometimes a failure, but always a conclusion. And all this is presented in simple language, without abstruse terms.
Frequently asked questions
Is it possible to use MegaD-2561 without experience in electronics?
It seems so, if you read the articles carefully. But it's better to have basic skills - especially when working with soldering or connecting relays. The site helps, but does not replace practice.
What sensors are supported?
Almost everything is here: from DS18B20 to SCD4x and T6703 for CO2, TMP117 for temperature, INA226 for current, as well as rain gauges, ultrasonic wind sensors. Everything is via I2C, UART, 1-wire - depends on the model.
Where can I buy equipment?
Purchase is possible directly on the website. There are different versions of MegaD-2561-V3, V3-RTC, monoblocks with PoE and even uninterruptible power supplies. Prices are indicated - from 6550 rubles.
Does the firmware need to be updated?
Yes, it seems so. Especially if they want to add new features - for example, support for a new sensor. Updates are released regularly, and there have already been several versions in recent months.
An interesting point - the site lives by the try it yourself principle. No strict instructions, only examples, tips, and sometimes mistakes. It's like someone from the community is sharing their experience. And this inspires trust. Someone may say: well, I still don’t understand. But the main thing is to try.
So ab-log. ru is not just a website. This is a real platform for those who want to create their own smart space without spending extra money on ready-made solutions. You can collect everything yourself, experiment, learn. And anyway, how else can you learn if you don’t try? At least once.
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Last updated on 2026-06-09T05:28:01Z
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