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STM32WB55 and Nucleo pack with Bluetooth Low Energy 5.0 and IEEE 802.15.4 (pictures inside)Print

The STM32WB55 microcontroller is expected a long time, because this microcontroller combines usual microcontroller and RF communication interface.
If you read this news you also find a real pictures of Nucleo pack where is used STM32WB55.

How to convert your DSLogic Basic into DSLogic PlusPrint

Tomas Jira sent me this article about the hack how to modify DSLogic to DS Logic plus logic anaylzer.

STMicroelectronics released the first microprocessor with Cortex-A7 and Cortex-M4, real pictures in this newsPrint

STMicroelectronics released the first microprocessor (don't confuse with microcontroller). The new family of micoprocessor is called STM32MP1.
The STM32MP1 combines ARM® Cortex®-A7 32-bit RISC @650 MHz and ARM® Cortex®-M4 @209 MHz.

TerraDome - tropical greenhouse with Arduino controlingPrint

Make your own GreenHouse for tropical plants and animals which is controled by Arduino development board.
The size of TerraDome is 50 x 50 x 45 cm and the temperature and humidity is automatically controlled.


Jiri Praus - the handy manPrint

In this news, you will see really handy man Jiří Praus.
He made a few fantastic products. The best of them is mechanical tulip.

Visuino - a new release of graphical programming toolPrint

Visuino, graphical programming tool, released a new version of this software.
In this release the Visuino supports TTGO - TTGO-T4, TTGO-TS a TTGO-T8 ESP32, Bluetooth Low Energy and NTP.
Visuino also supports development board like Arduino, Teensy, Femto IO, dev boards based on ESP8266, micro:bit and more.

Only Windows OS is supported, but they are working also on Linux and Mac OS version.

Comparison of 21 microcontrollers with price lower than 1 USDPrint

The author of website released the article of comparision of 21 microcontrollers with the price which is lower than 1 USD.
Author compared hardware peripheral of microcontrollers, compared of cores, IDEs and more.

Check the original website on

Install Windows 10 ARM on RaspberryPi single-board computer with unofficial app WoAPrint

Install Windows 10 ARM on RaspberryPi 3B (plus) with unofficial application WoA. WoA Installer for Raspberry Pi 3.


RaspberryPi Compute Module 3+ (CM3+) from 25 USD (without eMMC) to 40 USD (32GB eMMC)Print

Raspberry Pi Foundation released next generation of Compute Module with label 3+ (CM3+).
Compute Module 3+ is available in a few variants which differ by amount of eMMC memory.

STM32duino is supporting STM8Print

STM32duino, Arduino package which is developed by STMicroelectronics, added supporting of STM8.
Really cheap 8-bit microcontrollers. In this time supports STM8L152R8 (Nucleo STM8L152R8) and STM8S208RB (Nucleo STM8S208RB).

If you want to use Nucleo board which are mentioned above and you are using Windows 10 ...

Orange Pi 3 - Allwinner H6, 1/2 GB RAM, 0/8 GB eMMC, GbE, USB 3.0, WiFi a/b/g/n/ac, BT 5.0Print

Update: Android 7.0 is available on donwload centre of chinese version of website.

Xunlong offers a lot of single-board computers called OrangePi. They also offeres a few SBCs with Allwinner H6 and now they released a new version called OrangePi 3. ...

HScope, HS101 oscilloscope with smartphone and BluePill with STM32F103Print

You can buy a few types of oscilloscopes for a few USD. Or also you can made that e.g. Miniscope v2.
One of them is mentioned in this news - HS101. The base component is STM32F103 microcontroller.

7 new modules with ESP32 on Olimex storePrint

Olimex added 7 new modules with ESP32 which supports WiFi and Bluetooth connectivity.

ESP32-WROOM-32D-4MB – this is equal to used by us ESP32-WROOM-32, it uses D0WD instead of D0WDQ6 which is with smaller size and Espressif recommend it for new designs.
ESP32-WROOM-32D-16MB has 16MB of Flash
ESP32-WROOM-32D-4MBHT is High temperature +105C module for demanding applications.
ESP32-WROOM-32U-4MB is with U.FL connector for external antenna
ESP32-WROOM-32U-16MB has 16MB of Flash
ESP32-WROOM-32U-4MBHT is High temperature +105C module for demanding applications.
ESP32-WROVER-4MB has 4MB Flash and 8MB of PSRAM.

The price range is from 5.50 EUR up to 7.70 EUR



The most popular articles for 2018Print

The list of the most popular news and articles in 2018.

BigClown "Sensor adapter" versatile expansion board for sensors from ebay and aliexpressPrint

BigClown, popular IoT platform, offers a lot of TAGs (board with sensor) and modules, but I still had missed versatile board for connection of cheap sensors from ebay and aliexpress - e.g. BMP280, Si7021 or SHT31.

Whole article is available on

U/I power supply controllable from PCPrint

Every maker has to have solder station, logic analyzer and also power supply.
You can have usual power supply or this controllable power supply which is really good for experiments - SIRU.BOX.

The power supply with output power voltage up to 15V and output current is up to 600mA (max 2.5W) can be helpful for experiments and also for lasting powering of devices where the input current of device is fluctuating. - control your Arduino and RaspberryPi from websitePrint

Just imagine. You have an idea for your project. You have a device which will send your data to website. Or you will control your device from website.
And there is problem. How to display your data on website? And where? How to control the device from website?
This application will help you.

Relaxing videos for makersPrint

Christmas should be a holiday of peace and well-being.
There are relaxing videos for makers which I chose.

DS18B20 Tester with ArduinoPrint

You ordered a few DS18B20 temperature sensors and after a few weeks of waiting, you finally received the shipment. You connected the sensor to your project and ... nothing... Tried again ... nothing.
Where is the bug? Your connection? Bad contact? Your code?

For solving of issue, Petr Stehlík (CZ) developed a smart code which tests your temperature sensor.
He received a lot of sensors which were not working properly hence he spent a time for developing of this "tool".

Schematic and code is available on github

Update: EduBoard - education board with support in Arduino IDEPrint

Update: The board is on stock from 15 EUR.

If you are looking for useful education board for learing of programming and electronics, maybe this news about project called EduBoard by Olimex could be helpful for your decision.

The education board contains a lot of peripheral and the price is really interesting - only 15 USD.

EduBoard is like prototype now, so the final specification can be a little bit different. ...