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My Projects blog

Tutorials, Ideas and Stories

Xiaomi MiFlora plant sensor in Pimatic

Xiaomi MiFlora is a cost-effective plant sensor, which uses Bluetooth Low Energy (BLE) to communicate wirelessly, and is capable of sensing temperature, soil humidity, light, soil fertility and it’s own battery level. Daniel Matuschek (openha) and other contributors...

Logging download speed of transmission-daemon

This one-liner checks the current sum of download speed of all torrents currently running in transmission-daemon. You can also direct the output to a file, to have a logfile of it. As a depenency it needs the moreutils package, because it uses the 'ts' command for...

Wake on LAN (WOL) your PC from Raspberry Pi

There's a feature in most modern BIOSes, which makes it possible to power on a PC if a certain "magic packet" is received on the physical (MAC) address of the PC's LAN network card. This tutorial assumes that your PC's network card supports this feature, and that it's...

433Mhz RF Remote Control with pilight on Raspberry Pi

I have a set of SilverCrest IP20 remote controlled sockets purchased in LIDL. Remote: SilverCrest 113854 RCT DS1 AAA-A 3726 4x Switches: SilverCrest 113854 RCR DS1 3711-A IP20 FR 3726 These work on 433Mhz radio frequency, so the switches can be controlled using my...

Kindle 4 Ad blocking

I got an ad-supported version Kindle 4 as a gift, but the ads bothered me, so I'll show how to remove them. Before we begin: Sometimes my Kindle fails to be recognized as a storage device. The workaround is to hold the power button for 30+ seconds to do a facory...