In an computer system, measure and event timestamps are considered an evidence and, nowadays, no one expects to encounter difficulties in this domain. However, knowing the exact time at any time is far from obvious, in particular if you work with autonomous sensors with limited resources.
Our blog articles are generally used to give ideas on how to solve issues with Yoctopuce modules.Today, we offer you not an idea but a complete realization, which can be used by any user without computing knowledge...
We recently bought a Roomba automatic vacuum cleaner and we started to look at how to hack it as soon as it was out of the box. The Roomba is equipped with a serial port which enables you to control the robot. This serial port uses a Mini-Din socket and works in TTL levels (incompatible with an RS232 port). Luckily, we just announced the Yocto-Serial: a serial interface which can work with TTL levels.
Do you remember the USB desk lamp? This week, we present a WiFi version. It so happens that some new modules appeared since the time the making of the USB version, which make it quite easy to build this improved version.
Some time ago, we found a post where someone had built a device showing his schedule on his office door using Google Calendar. We liked the idea and, this week, we are going to show you how to display your appointments of the day on your fridge door using a Yocto-MaxiDisplay and a YoctoHub-Wireless-SR.
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