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.
All articles
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.…
Banana Pi M2 Berry – unboxing, boot, thermal imaging pictures
Video about Banana Pi M2 Berry. Unboxing, downloading of Raspbian OS, the first boot and pictures from thermal imaging camera. https://www.youtube.com/watch?v=jQO6R_WGaPI
PICO: the smallest Arduino board (0.6×0.6″)
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…
BananaPi has own ZERO version of SBC
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…
Watering system with NodeMCU (ESP8266, ESP12E)
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…
STM32Cube Low-Layer API
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…
NanoPi NEO Plus2: quad-core, 1 GB RAM, 8 GB eMMC, Gbps ethernet
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…
ESP32-PRO – IoT board with 4MB RAM and FLASH and external crypto unit
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.…
Useful ESP32 modul for $8 and shields for that
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…
Comparison of SBC’s
Comparison of #BananaPi SBC’s between each other and with other SBC’s #RaspberryPi #SBC #Odroid #Pine64 #OrangePi http://forum.banana-pi.org/t/all-banana-pi-sbc-comparison/1714/11