Category Archives: Uncategorized

Missing Android manual

We all got Android devices without a proper manual so here are some basics I have learned over time…

Posted in Uncategorized | Leave a comment

RC5 device addressees and commands are partly “standardized”

During my attempt to program an Atmel micro-controller to act as a remote controller sending RC5 commands, the original remote suddenly stopped sending the correct Standby code to the device and I noticed device ID part of the RC5 frame … Continue reading

Posted in AVR, Electronics, Programming, Uncategorized | Leave a comment

[cz] Proč je Facebook a Messenger špatný

Facebook prý spojuje lidi a umožňuje být neustále s přáteli, aniž bych vystrčil nohu z baráku či postele. Facebook se tváří jako nejlepší kamarád a pomocník, že dělá pro nás to nejlepší. Ale je tomu opravdu tak?

Posted in Uncategorized, Web | Tagged , , , , , | 2 Comments

Referer sending options in Firefox

Sending Referer header to the target site after every click on a link is basically revealing URL of the referring site. Several sites mention it as a potential privacy concern but as far as I know there is no UI … Continue reading

Posted in Uncategorized | Leave a comment

Tips for making a new password and how passwords work

From what I have seen, many people use weak passwords. But it’s actually easy to make them strong. Let’s see.

Posted in Uncategorized | Leave a comment

[cz] Úvod do SQL

SQL je nejběžnější jazyk používaný pro práci s RDBMs (relační databázové systémy). Protože je užitečné umět pracovat s databází, septal jsem stručný přehled operací, které se pomocí SQL dají dělat na jednoduchých konkrétních příkladech, s odkazy na další zdroje.

Posted in Uncategorized | Leave a comment

[cz] Generátor bankovního čísla účtu

Aby se předešlo překlepům a nechtěné platbě na cizí účet, využívají číšla účtů v ČR formát podle vyhášky č. 62/2004. V tomto článku je odkaz na generátor validních čísel.

Posted in Uncategorized | Leave a comment

Power Bank 5000mAh Solar Charger Reverse Engineering & Modification

I bought a cheap solar power bank from China to power my temperature sensor. Unfortunately it was shutting itself down once fully charged, requiring me to power on manually again. In this post I will show you my reverse-engineering notes, … Continue reading

Posted in Uncategorized | 2 Comments

Micronova Pellet Stove LCD Reverse-Engineering

While trying to find out a way to communicate with my pellet stove I decided to have a look at the LCD communication and maybe learn something new and have fun. It is a segment LCD and maybe you find this useful, especially … Continue reading

Posted in Uncategorized | 1 Comment

SSH Tricks You Must Know

Here are some general SSH tips and a short guide for setting up an SSH connection from Mac to iOS devices.

Posted in Uncategorized | Leave a comment