Jul 25

Slow WiFi in Windows 10

Recently I’ve switched my Internet provider. The new one delivers Internet trough optic fiber to the last mile and the speed should be 100MBit/s. Speed tests over a cable confirm the speed is very close to 100 MBit/s. I however noticed some lags and slowness on my laptop when using WiFi which was not expected. Speedtest.netshowed this:

The results are far away from what I would expect! Again, when attached via LAN cable – everything is fine.

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Feb 12

How force your laptop to use GPU enabled card instead of Intel HD Graphics adapter

Windows Fall Creator’s Update for windows 10 have introduced one very neat feature: GPU tabs & other GPU related information in Task Manager:

Pretty nice indeed!

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Jan 19

How do Sonoff devices work?

A while ago Jan Almeroth have done excellent research on how Sonoff devices operate. Thanks to his (and many others’) work, projects like SonOTA are now possible. I’ll try to summarize the information in this article.

1. Overview

It appears that sonoffs areIoTgocompatible devices.IoTgo platform was created by Itead and aims to facilitate easier integration between IoT devices and Applications.It mainly consists of three parts:

  1. Devices ⇔ Server (left part) – devices connect to the server via HTTP/WebSocket, register and update their parameters. The server can send control commands using push notifications (via WebSocket);
  2. Apps ⇔ Server (right part) – IoTgo Apps use server gather information about devices (+their status) and control them;
  3. Web interface ⇔ Server (not shown) – used for device management;

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