Articles

2017-11-01

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…

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2017-10-18

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…

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2017-09-14

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…

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2017-08-18

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…

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2017-08-11

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.…

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2017-07-16

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…

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2017-06-12

ESP32, SunDuino – temperature/humidity Si7021 sensor and OLED 128x64px (I2C)

Other article about ESP32. We again connect ESP32 to temperature/humidity sensor Si7021 (HTU21), but today we also connect OLED where will be showed data from sensor. The OLED has 128x64px…

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2017-05-29

ESP32, SunDuino and temperature/humidity sensor Si7021 (HTU21)

Other article about ESP32, with using of development board of SunDuino ESP32 and temperature/humidity sensor Si7021 (HTU21). I recommend the first article about ESP32 and SunDuino ESP32 which is available…

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2017-05-20

WIDO – Arduino Leonardo compatible WiFi board

I received very interesting board called WIDO. If you don’t know this board, maybe the WIDO will be interesting after reading of this article. WIDO board sent https://dfrobot.com store. Thank…

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2017-05-07

ESP32 and Arduino IDE

Finally, I can write you a short tutorial how to play with ESP32 (more powerful than ESP8266). On the internet is a lot of tutorials how to do it, but…

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