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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ESP32 PICO D4 development board with 4MB FLASH for 8.50 USD
Espressif shared the news about a the new version of ESP32 called ESP32 PICO D4 a few weeks ago. The ESP32 PICO D4 contains 4MB FLASH memory . Now, here…
Zeroshell – configurable OS for Raspberry Pi and Orange pi through web browser
Zeroshell is small linux distribution which is used for servers. The Zeroshell OS can be used like Live CD (for laptops and desktops) or like the running OS from microSD…
Very small DC/DC converter 5V up to 1A
The czech website DCCMM shared a post regarding very small PCB with switching voltage regulator. The output voltage is 5V and output current up to 1A. The voltage ripple of…
NanoPC-T3 – Octa-core, 2GB DDR3, eMMC storage, Gbps ethernet, WiFi&BT
FriendlyARM released a new member to NanoPC family. NanoPC-T3. So much power for $75 (without shipping). Specification: SoC: Samsung S5P6818 Octa-Core Cortex-A53, 400M Hz – 1.4G Hz PMU Power Management:…
STM32L4 Plus (STM32L4+) lower power consumption, more power
A new subfamily of L4 family microcontroller which is more powerful and also has lower power consumption of ARM Cortex-M4 which is called L4+ (STM32L4 Plus). Original L4 which is…
Bolt IoT – first example and settings
The picture tutorial how to set and run Bolt IoT platform. Info about Bolt IoT and kickstarter campaign was mentioned in this news. The base component is ESP8266 chip in…
Bolt IoT platform
A new IoT platform for makers. Do you want to make IoT home? Check this platform called Bolt IoT. Bolt IoT is not only hardware, that’s a platform which also…
When do we need Analog Discovery, and when do we need Digital Discovery?
Digital Discovery is a crucial add-on if you have been using Analog Discovery 2, but its sampling rate was insufficient, there were not enough digital channels available, or there was…
The board for meteostation with ESP12E module (ESP8266, NodeMCU)
The article was updated – open-source 3D case for the board, radiation shield and one new example code (with OLED). https://time4ee.com/articles.php?article_id=48
The board for meteostation with ESP12E module (ESP8266, NodeMCU)
The article was updated – open-source 3D case for the board, radiation shield and one new example code (with OLED). https://time4ee.com/articles.php?article_id=48