Converter for numerical systems between HEX, DEC, and BIN – ad-free, button-free, and intuitive.
There are plenty of converters between HEX, DEC, and BIN number systems everywhere. Some do this, others do that, and some have ads everywhere, making it hard to navigate their site. I’ve had enough of it – I created my own that does everything I need.
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Really small ESP32 PICO D4 module for 4.70 USD
Espressif released ESP32 PICO D4 before a few months. During this time, manufacturers released a few development boards with this WiFi and Bluetooth IC. This news describes you really small…
SUSE Linux and RaspberryPi
SUSE Linux released version of OS used for Raspberry Pi single-board computer. “SUSE LINUX FOR RASPBERRY PI: ENTERPRISE SERVER FOR ARM RELEASED” https://www.raspberrypi.org/magpi/suse-linux-for-raspberry-pi/
Update: Interesting sensors for your weather station
The article Interesting sensors for your weather station was updated. There are two new sensors for measurement of moisture of soil. The first sensor measures conductivity, the second measures the…
Update: Eagle tips and tricks
The article about tips and tricks of Eagle CAD which is focused on design of PCB was updated. Now, you find there How to create thermals for vias and also…
Gold medal for silver for Marquardt
Renowned German manufacturer optimizes the offer of preferred rocker switches. Marquardt offers models with minor differences (e.g. only different contact materials) for many years. Now they use their experience for…
CanSat HATALOM – the winner of czech national round of CanSat competition (ESA)
In the competition organised by ESA (European Space Agency competition, link to competition: https://www.esa.int/Education/CanSat and http://www.esero.sciencein.cz/cansat), which is called CanSat teams made of 4-6 members have to build an own…
IQRF Wireless Challenge IV – Results
The final round, which took place at the IQRF Summit 2018, was attended by the solvers of the two best projects selected from the projects submitted to the final. Both…
16grams, 25x25x16mm, 3Watt ? this is the Myrra 48000
Myrra builds on the success of the 47000 series with the new AC/DC converter series 48000. Let’s check some of its features in the given example. Converter has to supply…
Maple ESP32 Mini – small development board with ESP32 PICO D4
One more development board with ESP32 PICO D4. This development board called Maple ESP32 Mini, is very small and the seller wrote that this board is the smallest dev board…
STM32duino IV. – Read temperature and humidity from Si7021 (I2C bus)
The fourth part of STM32duino tutorial we will check the I2C bus. We connect the temperature and humidity sensor Si7021 to default I2C and also to alternative connection of I2C…