
Converter for numerical systems between HEX, DEC, and BIN – ad-free, button-free, and intuitive.
There are plenty of converters between HEX, DEC, and BIN number systems everywhere. Some do this, others do that, and some have ads everywhere, making it hard to navigate their site. I’ve had enough of it – I created my own that does everything I need.
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Orange Pi 3 Plus is comming – Allwinner H6, Gigabit interface, USB 3.0, WiFi 2.4/5 GHz
Armbian tweeted a picture of Orange Pi 3 Plus. The board is not oficially at store. That’s sample board for developers. What we see on board. The Orange Pi 3…

ESP32 (REV1) board by WEMOS – LoLin32 Lite
WEMOS released a new development board with ESP32 called LoLin32 with price $4.9 (+ shipping, $2.59 in my case). WEMOS has released LoLin32 a few weeks ago. Here is link…

Banana Pi M2 Berry: SATA interface and speed test (dd, hdparm, rsync)
Other articles about single-board computer called Banana Pi M2 Berry by SinoVoip. In this article, we check SATA connection and we test the speed of communication. Other articles about BananaPi…

NanoPi DUO – H2+, 512MB RAM, WiFi 802.11 b/g/n
Friendlyarm is known for development of single-board computers and it released a new board called Nano Pi DUO. Nano Pi DUO, which dimension of board is similar with NodeMCU (DUO…

Meteostation board with ESP8266 – a new firmware
A new example code for meteostation board. The first example code: ESP12E reads values (temperature/humidity) from Si7021 sensor and then the data is sent to tmep.cz website. This website shows…

UPDATED: ESP32-PICO-D4 (new pictures)
Espressif released the news about a new System in Package (SIP) ESP32 which supports WiFi and Bluetooth connection a few days ago.. The ultra-small board contains ESP32 in QFN package,…

Banana Pi M2 Berry: first start, iperf, sysbench and thermal imaging picture
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…

OrangePi R1 – two ethernet interfaces and H2+ processor
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…

OrangePi Zero Plus – Allwinner H5 (quad-core), 512 MB RAM, gigabit ethernet, WiFi
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…

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