Time4EE - news and articles about EE. Arduino, STM32, ESP8266, ESP32, Raspberry Pi, Banana Pi, CHIP computer, ESP8266, AVR, IoT, SBC, Embedded Systems


The single-board computer called Banana Pi M2 Berry is other device by SinoVoip company. The interesting price $34 (with shipping $39.66 in my case) of Banana Pi M2 Berry looks like alternative to Raspberry Pi 3, Orange Pi Prime či Win Plus.

What you can see in this article? Benchmark (sysbench), test of ethernet and WiFi connection (iperf) and picture from thermal imaging camera.

The article is available on https://time4ee.com/articles.php?article_id=49

Maybe you saw strange board by OrangePi with two RJ45 connectors.
This board is called OrangePi R1.The processor is Allwinner H2+ and amount of RAM is 256 MB.
The ethernet interfaces are 100Mbps and the board also contains WiFi connection. (RTL8189ETV module). The R1 has one micro OTG USB interface also used for powering....
Shenzhen Xunlong is comming with a new version of ZERO board.

Instead of Orange Pi Zero, OrangePi Zero Plus 2 a Orange Pi Zero Plus 2 H5 now we have another choice - Orange Pi Zero Plus...

After my experiences with ESP12E (NodeMCU, ESP8266) and SHT75 temperature/humidity sensor I decided to make second version of board used for meteostation. The first version is available on https://time4ee.com/articles.php?article_id=33.

The article is on https://time4ee.com/articles.php?article_id=48
Video about Banana Pi M2 Berry.
Unboxing, downloading of Raspbian OS, the first boot and pictures from thermal imaging camera.


Meet the smallest Arduino board (or not?) on the world called PICO. What is the best feature of board? The dimension - 0.6" x 0.6" (15.2 x 15.2 mm).
The board contains ATmega32U4. It supports native USB. The headers are 0.1" (2.54mm) and you can use the PICO on breadboard....

BananaPi released info about a new single-board computer called ZERO (BPI-M2 ZERO). It is other Zero board which we can buy - Raspberry Pi ZERO (and ZERO W) and OrangePi ZERO.

The processor of BananaPi-M2 Zero is Allwinner H2+ which contains GPU Mali400 MP2. The amount of RAM is 512MB (SDRAM).
There is a slot for microSD card supports up to 64 GB.

If you follow me on social networks (facebook, twitter and google plus) maybe you saw a few posts which I shared. My the latest project is watering system with popular WiFi chip called ESP8266, ESP12E module, NodeMCU development board.
This project was made like watering system for a few plants during summer vacations.

The article on https://time4ee.com/articles.php?article_id=47
STMicroelectronics released Low-Layer API for programming of all STM32 microcontrollers (except STM32H7). API is known like LL API, expert oriented set of APIs. The LL API can be easily combined with HAL (with a few restrictions).

Low-Layer API is included in software package called STM32Cube. LL API compliants MISRA-C 2004 standard, the API have been checked using Grammatech CodeSonar®...

The latest single-board computer by Friendlyelec - NanoPi NEO Plus2.
The powerful and small single-board computer with quad-core, eMMC on-board as well as AP6212 -WiFi (802.11 b/g/n) and Bluetooth (4.0 dual mode) for $24.99 + shipping.
The board also contains RJ45 connector for 1Gbps ethernet connection.

Olimex develops new devices and development boards.
The focus of Olimex got ESP32 (WiFi&BT), Olimex released article on their website about a new IoT (Internet of Things) board called ESP32-PRO. Maybe you saw Olimex ESP32-EVB - ESP32, CAN, Ethernet news.
The board ESP32-PRO contains external 4MB RAM, 4MB FLASH and external crypto unit...

A new ESP32 module is available on aliexpress. MH-ET LIVE D1 mini ESP32. Module for $8 could be interesting alternative to other ESP32 modules like TTgo UNO ESP32, SunDuino or LoLin32 by Wemos.

You can see USB-UART bridge for uploading of code, RESET button and two LEDs (power and user) on the pictures...
Comparison of #BananaPi SBC's between each other and with other SBC's
#RaspberryPi #SBC #Odroid #Pine64 #OrangePi


Other article about ESP32. We again connect ESP32 to temperature/humidity sensor Si7021 (HTU21), but today we also connect OLED where will be showed data from sensor. The OLED has 128x64px resolution and communication bus is I2C as well as Si7021.

Article is available on https://time4ee.com/articles.php?article_id=46
The event focused on real solutions for smart cities, buildings, homes, transportation, security and industry was held in Prague on 7 and 8 June 2017.

Their products and solutions were presented here by company representatives of Microsoft, O2, AAEON, MICRORISC, VPGC, Ardomus, NETIO Products, Aledo, Cross Network Intelligence, Protronix, CISCO, Master Internet, CETIN, IQ Home, CITIQ, DATmoLUX, RehiveTech, TECO, Austyn International, Dazzle Light, FOXON, S3 Group, Deprag, CIS, Unipi.technology, Tesla Blatná and others....
There are two interesting tutorials with WiFi ESP8266.
The first of them is WiFi repeater/extender and second tutorial is how to use DHT11 temperature/humidity sensor with NodeMCU (ESP12E).

ROCK64, a new single-board computer by PINE64.

Rockchip RK3328 (64bit quad-core A53), 1/2/4 GB 1866 MHz LPDDR3 RAM, eMMC socket, 128 Mbit SPI FLASH, Gigabit ethernet, 2x USB 2.0, 1x USB 3.0, microSD card slot... that's a short description of parts of ROCK64...
Very short news.
This tutorial how to use MicroPython on ESP32 is written for Windows OS, but changes in steps will not so difficult for Linux or MacOS.

Let's try it, steps on https://techtutorialsx.com/2017/05/20/esp32-micropython-support/

Olimex released a new single-board computer - A64-OLinuXino. THe development of board started since 2015, now is available on store.

A64-OLinuXino is available in three variants. On store is only A64-OLinuXino-1G4GW now.
A64-OLinuXino-1G0G: The first, the cheapest (40 EUR), contains 1GB RAM, doesn't include FLASH eMMC memory and WiFi&BLE connectivity as well...