We’re happy to announce that Zerynth version r2.5.2 is out with 2 new devices and numerous improvements. Read the full post to see what you can expect from this new update.

New STM Discovery L4R9 device

The 32L4R9IDISCOVERY Discovery kit is a complete demonstration and development platform for STMicroelectronics Arm® Cortex®-M4 core-based STM32L4R9AI microcontroller.


You will need to log in as a DesignSpark usee. More info here.

New ESP32 Azure IoT Kit device

The ESP32 Azure IoT Kit is one of the development boards created by Espressif. It is based on the ESP32 microcontroller that boasts Wifi, Bluetooth, Ethernet, and Low Power support all in a single chip.

The ESP32 Azure IoT Kit enables smart network configuration, cloud platform access, and sensor data acquisition to speed up the development of new IoT applications.

More info here.

Install Zerynth OS just with one click!

Thanks to the update to r2.5.2, Zerynth Studio, and Zerynth Toolchain now permit to install Zerynth OS just with one click!
This automated procedure will prepare, register, and virtualize your device enabling it directly to be uplinked with your custom application.

Minor Fixes and Improvements

  • Standard Library: Now JSON methods work properly with int64 variables;
  • Zerynth LWMQTT: New set_will method available;
  • Solomon OLED libraries: Fix examples to display new Zerynth Logo.

How to update to version r2.5.2?

Now you need to update all the packages to the version r2.5.2. To do this you have just to:

  1. Start the new Zerynth Installer;
  2. Open Zerynth Studio;
  3. Click “System Update”;
  4. Click “Update” and restart Zerynth Studio;
  5. Follow the wizard and enjoy!

Remember to virtualize again all boards with the new virtual machines!

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About the Author: Giacomo Baldi

Giacomo Baldi
Giacomo is the Zerynth's CTO. He is a software architect and critical care doctor happily mixing both worlds – he has a master’s degree in both Computer Science and Medicine at the University of Pisa. Giacomo is co-inventor of several patents in the IoT field.

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