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PCB manufacturer in China - 5 pcs for 1 USD, 10 pcs for 2 USDPrint

I received other offer for "really the best" PCB manufacturing.
But, this looks very well (on the website)
5pcs 100x100 - 1 USD
10pcs 100x100 - 2USD
Shipping: Registered Post ~10 USD, DHL ~20 USD (in my case 18 USD for Registered Post, 23 USD for DHL)
Solder mask: green, blue, white, black without fee
Fabrication: 2 - 4 days
Payment: Paypal

Children are no longer sleeping in class, chickens prosper, and drugs do not spoilPrint

Environmental monitoring is beneficial in a wide variety of areas, and due to IQRF Alliance members cooperation, projects are implemented quickly and efficiently.

The new IQRF Alliance member - České Radiokomunikace a.s. - provides low-energy long-distance communication and an integration platform. Representatives of companies will present using LoRaWan™ and IQRF® as complementary technologies in a specific energy project at the IQRF Summit.

RockPi 4B - speedtest (2.4GHz, 5GHz, ethernet) and sysbench benchmarkPrint

We received single-board computer RockPi 4B with accesories - eMMC module, power supply, case and PoE module.
What is comparison between RockPi 4 and RaspberryPi 3B plus in WiFi and ethernet speedtest and benchmark?

Find it on

Pine H64 Model B - USB3.0, WiFi&BT, Gigabit ethernet (real pictures inside)Print

Pine H64 Model B is a new member of single-board computer of Pine64. Pine H64 is the second revision of original H64 single-board computer.

Pine H64 Model B was introduced on ...

Power Shield 6plu6 T800 for Arduino (Nano, Uno, Mega) for controling of power devicesPrint

I received shield for Arduino development boards which is used for controling of devices which need much power. The shield can be plug in to Arduino Nano, Uno i Mega.
It is versatile shield.

ESP32 VGA - tutorial for beginnersPrint

How to connect development board with ESP32 and big VGA screen?
The tutorial describes you step-by-step from the scratch. You modified the cable, install the library and upload FW to ESP32.
You try sending of string into the screen and also showing of text which was send by WiFi terminal.

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.