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ALLNET Co., Ltd released the specification and price of own single-board computer called RockPi 4 in two versions.

The company cooperates with Radxa team founded by Tom Cubie who is known by development of Cubieboard single-board computers.
 


In previous article we introduced the ESP32 microcontroller and its peripherals. Now, we will focus on the practical use of one of its peripherals - Bluetooth.

I decided to test this peripheral by constructing an A2DP audio receiver, which acts as a server that enables us to transfer audio signals from music player in my smartphone. ....
Whole article is available on https://time4ee.com/articles.php?article_id=118
 


They are reliable, robust and can also be used with working gloves. They are designed for work in the outdoor environment such as industrial field service, construction, public transport, logistics and warehousing.
Whole article is available on https://time4ee.com/articles.php?article_id=115

Source of article: https://www.soselectronic.com/
 


Phoenix Contact brings a unique series of electronics enclosures to the market. UCS offers a modular design, rich accessories and easy PCB assembly of any shape.
Whole article is available on https://time4ee.com/articles.php?article_id=114

Source of article: https://www.soselectronic.com/
 


BigClown offers a lot interesting modules which you can use, but I missed WiFi connectivity - you can order module for IoT network like LoRa and Sigfox.
On the other side, this missing interface makes sense. WiFi connectivity is not low-power concept.
I accepted the higher power consumption and I designed WiFi module with popular ESP8266 IC. You can use three types of module - ESP07, ESP08 and ESP12E.
Whole article is available on https://time4ee.com/articles.php?article_id=113
 


Things are getting smaller (except for cars) and this is true also for antennas. 2JE18 is a small surface mounted antenna with dimensions of only 40x7x3mm. It is designed for a surface mounting directly on PCB- and thanks to its excellent parameters, it is intended to be used in IoT devices.
Whole article you find on https://time4ee.com/articles.php?article_id=112

Source of article: https://www.soselectronic.com/
 


You can find a lot of interesting project on the internet. Radar measurement of speed is a little bit unsual, but why can you made it? ...
 


Single-board computer with price from 5 USD (start price on campaign) introduced Libre Computer with kickstarter campaign.
The name of this single-board computer is La Frite and the power of this board is really interesting for this price.
The pinout of header and dimension of board is the same like RaspberryPi A+.
The update is based on the comparison with RaspberryPi 3 (@1.4GHz) and showing of 1080p video ...
 


DVB-T2 is a new standard of terrestrial broadcasting and the covering of DVB-T2 is still higher and higher.
RaspberryPi released a new HAT called TV HAT (uHAT) which supports DVB-T2 standard. ...
 


Using the single-ended overmolded Lumberg Automation cords for actuators and sensors will save half of your work.
Whole article is available on https://time4ee.com/articles.php?article_id=111

Source of article: https://www.soselectronic.com/
 
The STM32 family of ultra low-power microcontrollers made by STMicroelectronics welcomed a new line of ultra low-power microcontrollers called STM32L5.
The most siginificant change is using of different ARM Core. STM32L5 contains ARM Cortex-M33 instead of Cortex M0+ and M4.

The M33 core is designed specially for IoT application and application with high level of security. ...
 


FLIR comes with a new generation of miniature thermal cameras with parameters that put it in the middle class. 160x120 pixels, -20C to 400C, 15cm focal length and custom battery to save battery power on your smartphone.
Whole article is available on https://time4ee.com/articles.php?article_id=110

Source of article: https://www.soselectronic.com/
 


STMicroelectronics released a new version of programmer and debugger called STLINK.
STLINK-V3SET contains new features for programming of STM8 and STM32 which you really use.

STLINK-V3SET contains programming interface like JTAG, SWD and also SWIM (Single-Wire Interface Module).
STLINK in version 3 creates
 


TRACO POWER 10 Watt DC/DC converter for space-limited applications.

The TEL 10WI series is a range of isolated 10 Watt converters coming in an ultra compact DIP-16 metal package. The design purpose of these series was to miniaturize low power DC/DC converters to the limits without sacrificing high efficiency. The TEL 10WI series sets the new standard for power density with 3,83W/cm3.
Whole article is available on https://time4ee.com/articles.php?article_id=109

Source of article: https://www.soselectronic.com/
 


STMicroelectronics offers the first GNSS modul (Global Navigation Satellite System) called Teseo-LIV3F.
The module could be interesting for your project beacuse it contains a few useful features.
The GNSS module supports GPS, Galileo, GLONASS, QZSS and also BeiDou. ...
 


Olimex develops a lot of various products with popular IC called ESP32. This news is about ESP32 DevKit LiPo.

This development board with ESP32 costs 10 USD and it's pin-to-pin compatible with official ESP32-DevKitC (Espressif ESP32-CoreBoard). ...
 


The ideal choice is the CEM series - high quality Euroclamp plastic enclosures at a good price, of high quality and with many possibilities for customization.
Whole article is available on https://time4ee.com/articles.php?article_id=108

Source of article: https://www.soselectronic.com/
 


The list of interesting sensors which are useful for your wheater station was updated.
The sensor of detection and measurement of lighting strike storm. It measures the distance from 1 to 40 km with step 10.5m.
The price is around 26 USD.

The article available on https://time4ee.com/articles.php?article_id=58


 


The official development boards (Nucleo) with STM32 microcontrollers contain standard programming connector - SWD.
But, we can buy a lot of different development boards with STM32 and also programmers, mostly from China.
 


SGPC3 is designed to measure the volatile organic compounds (VOC) concentration in the indoor environment. As is usual with Sensirion products, the sensor is calibrated and the signal processing is integrated directly on the chip.
Whole article is available on https://time4ee.com/articles.php?article_id=105

Source of article: https://www.soselectronic.com/