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SUSE Linux and RaspberryPiPrint

SUSE Linux released version of OS used for Raspberry Pi single-board computer.

Gold medal for silver for MarquardtPrint

Renowned German manufacturer optimizes the offer of preferred rocker switches.
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Update: Interesting sensors for your weather stationPrint

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 change of capacity.

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Update: Eagle tips and tricksPrint

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 How to generate polygon for whole PCB.
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CanSat HATALOM - the winner of czech national round of CanSat competition (ESA)Print

In the competition organised by ESA (European Space Agency competition, link to competition: and, which is called CanSat teams made of 4-6 members have to build an own satellite, which is taken by a dron or a rocket to a height of up to 2,000m. It is an international competition, rather European. In the European final, each country is represented by maximally one team (some countries have no representation at all and have to fight in a barrage for place in final round). After passing through two rounds of national competition, the Hatalom team from Opatov Grammar School became the team representing the Czech Republic. The European final will take place from 27 June to 1 July in the Azores in Portugal.

IQRF Wireless Challenge IV - ResultsPrint

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 projects came from the V?B - Technical University of Ostrava. Teaching and IQRF projects have many years of tradition and support here.

The winner has won development tools for IoT applications ...

16grams, 25x25x16mm, 3Watt ? this is the Myrra 48000Print

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.
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Maple ESP32 Mini - small development board with ESP32 PICO D4Print

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 with ESP32 PICO D4 on the world.

Maple ESP32 Mini doesn't include...

STM32duino IV. - Read temperature and humidity from Si7021 (I2C bus)Print

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 bus.

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IQRF Summit 2018Print

IBM joins IoT alliance in CZ: More than 100 entities trust in Czech technology for the Internet of Things

The conference on the Internet of Things ? the IQRF Summit 2018 ? that has just taken place was an opportunity for visitors to see what Smart City, Smart Building, and Industry 4.0 projects companies are working on, and how. All those presentations here shared one common denominator: they all either use the IQRF, the Czech wireless technology, directly in their products or build on it in overarching systems. At the summit, the IBM announced that it was joining the IQRF Alliance as it was keen to become a major strategic partner for other members.

TechNexion TEP ? robust and powerful Panel PCsPrint

Are you looking for a stylish touch screen terminal for the attendance system? Or even something more powerful? You will definitely choose from the TechNexion TEP series.
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IoD-09 ... Internet of Displays for everyonePrint

Miniature, intelligent, 0.90? RGB TFT display with a WiFi module for immediate use ? that?s the IoD-09 series.
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Eagle 9 - a new release of Eagle with amazing featuresPrint

The AutoDesk released a new version of popular CAD tool called Eagle 9.
There are a few awesome features which will simplify the job during your design of PCB....

Development boards for CH55x microcontrollersPrint

Do you know USB-UART converters called CH34x? The type of converter is used in a lot of Arduino clones of development boards.
The same manufacturer designs own microcontrollers based on C51, that's core which was used in a lot of Atmel microcontrolers like AT89C2051, AT89C51 and more.

If you think the core is old and useless, that's wrong idea. Modified core is used ...

STM32duino III. - How to use Serial (USART)Print

Welcome to third part of STM32duino tutorial. What do you expect? We check the most popular microcontroller interface - USART, called Serial in Arduino IDE.
The STM32 microcontrollers includes a few USART buses. The feature of STM32 is possibility to change of USART connection.
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Welcome to the 3D FLASH Memory WorldPrint

Apacer will launch 3D NAND TLC FLASH based products during the year 2018. Is there any reason to worry? Absolutely not.

Apacer will use Toshiba chips manufactured by BiCS3 TLC NAND process, which guarantees 3 000 P/E cycles. 3D NAND TLC products will be covered by the same warranty as 2D NAND MLC based products; i.e. 2 years or the period ending on the date when the SSD has exceeded 3 000 Average Erase Count, which is indicated by Apacer?s SMART software.
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FRIWO power supplies already complying with DIN EN ISO 13485 CertificationPrint

When it comes to human health and security, there is no time for errors and failures. Every component of medical grade system must be 100% safe and reliable.
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BananaPi W2 - 2x SATA, USB3.0, 2x Gbps ethernet, PCIE, eMMCPrint

Armbian showed a pictures of Orange Pi 3 Plus. Now, BananaPi released a pictures and info about BananaPi-W2. It is really powerful single-board computer. So, we can wait for two interesting a powerful single-board computers.
As I mentioned in title, it contains a lot of different interfaces.

The heart of board is Realtek RTD1296 processor, Quad-core ARM Cortex-A53 with Mali T820 MP3 GPU. More info about this processor, which contains Gbps ethernet, 2x SATA, 2x USB 3.0 you find here . The amount of RAM is 2GB and the type is DDR4.

Hammond 1551 MINI ? truly miniature enclosuresPrint

If you have a device of about USB key size but you don?t need an USB connector, then the 1551 MINI series is right for you.
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STM32duino II. - control GPIOPrint

The first article about STM32duino described "How to start with STM32 like Arduino. The second article of tutorial describes how to control GPIO - digital input, output and also PWM output.

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