CO2 sensors from Sensirion. SCD30, SCD40, or STCC4? Which sensor is suitable for home use?
Sensirion, a leading manufacturer of various sensors, offers multiple types of sensors for measuring CO2 concentration. This article will explore the differences, advantages, and the best sensor for battery operation.
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My experience with WiDo WIFI node
Richard ?tef?n sent me the article, thanks a lot. Recently I received IOT development board called WiDo by DFRobot. It’s similar to Arduino Leonardo, but with a few extra perks…
CH340E – USB-UART converter for 0.99USD
If you like arduino boards with ATmega328, SAMD21 or ESP8266, you need USB-UART converter with DTR pin. The DTR pin is needed for uploading of your code. DTR is connected…
Atom X1 – really small board with SAMD21
We shared the smallest board called PICO: the smallest Arduino board (0.6×0.6″) a few weeks ago. Now, it is not true. The developers of Atom X1 made smaller board, but…
SinoVoip – BPI LoRa
SinoVoip is not only single-board computers manufacturer. The SinoVoip is now manufacturer of interesting workarounds with different platforms. SinoVoip released a few pictures of board called BPI-LoRa. The board contains…
BananaPi M2 Magic (M2M) and Magic Plus (M2M Plus)
SinoVoip company released other single-board computer. This board is called Banana Pi M2M (M2 Magic). The board contains: Alwinner A33 (quad-core, @1.5GHz) ARM Cortex A7 processor Male 400 MP2 GPU…
Update & upgrade your armbian – WPA2 vulnerability
The popular operating system armbian released the repair of WPA2 vulnerability called KRACK. Follow these commands sudo apt-get update sudo apt-get upgrade The description of vulnerability is on https://thehackernews.com/2017/10/wpa2-krack-wifi-hacking.html Original…
STM32 development boards to $5 (ebay and aliexpress)
I would like to show you a few development boards with STM32 and the price is lower that $5 (without shipping). You can’t expect the ST-LINK programmer and debugger, but…
Dreamer Nano v4.1
Review of Dreamer Nano board, that’s Arduino board with ATmega32u4 which is comaptible with Arduino Leonardo and the pinout of board is the same like Arduino Nano.
UPDATED: Nucleo 64: shield with sensor of CO
The STMicroelectronics company released info regarding shield with gas sensor of CO (carbon monoxide). The pack is called P-NUCLEO-IKA02A1, the pack also contains Nucleo 64 board with STM32L058R8 microcontroller. The…
Worldwide contest IQRF Wireless Challenge IV starts in October 2017
IQRF Alliance announces a worldwide contest IQRF Wireless Challenge IV. ?Test your skills, create a new application using the IQRF wireless technology and compete for valuable prizes?; this is a…