European Plane Radar – see what is flying above you
I wanted to know what was flying over my head. Not on a phone, not in a browser tab – on a small round thing sitting on a shelf that I could glance at.
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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
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…