Unpacking: shield SHT30 (temperature and humidity) for Wemos D1 Mini

shield sht30 wemos d1 mini shield battery oled

The DHT22 temperature and humidity sensor (and its small brother the DHT11) are ubiquitous in the Arduino / ESP8266 / Raspberry Pi tutorials. You are also probably familiar with Dallas DS18b20 which uses the 1-Wire protocol. Wemos offers a new expansion card, the Shield SHT30. The Sensirion SHT30 is a …

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Driving the ESP8266 GPIO (Web Server) from Jeedom to TCP / IP Wireless – Part 2

ESP8266 DHT22 BMP180 wemos Shield Relay jeedom ESP8266HTTPCLIENT_

Here is the second part of the article to communicate an ESP8266 in TCP/IP with Jeedom. In this tutorial we will see how to drive the GPIO of an ESP8266 from Jeedom using HTTP requests (TCP / IP). The principle is the same as for Domoticz (article), we start a …

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Cayenne: Install the librairie on an Orange Pi under Armbian Jessie

cayenne orange pi lite dashboard

In this new tutorial on the Cayenne platform for connected objects IoT, we will install the necessary resources on an Orange Pi Lite (Wi-Fi version). Cayenne is still in the development phase. For now there is only Raspberry Pi that is supported, and still the official Raspbian distribution. Armbian (which …

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ESP8266 (Web Client): Sending Data to Jeedom in TCP / IP Wireless (JSON API) – Part 1

ESP8266 DHT22 BMP180 wemos Shield Relay jeedom ESP8266HTTPCLIENT_

We continue our series of articles on HTTP (TCP/IP) data exchange between an ESP8266 and the Jeedom Home Automation Server. Jeedom provides an API as complete as Domoticz. The documentation is available here. We will go a little faster than for Domoticz, the general principle being the same. Recommended readings …

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Two new Orange Pi boards with 64-bit ARM processor and 2GB RAM: Orange Pi Win Plus and Orange Pi Prime

Shenzhen Xunlong, the low-cost competitor of the Raspberry Pi that manufactures development cards and mini PCs for connected objects Orange Pi has just launched two new cards based on SoC ARM Allwinner 64-bits. The whole range gradually passes to 64-bit processors. The new development card is the Orange Pi Win …

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ESP32 NodeMCU now available for 8 € (including shipping)

NodeMCU ESP32S wroom

The successor of the ESP8266, the ESP32 was launched in September 2016. It is based on a 32-bit dual-core SoC manufactured by TSMC at 40nm (which also manufactures the SoC of the iPhone). It is more powerful and more energy efficient than the ESP8266. It also adds Bluetooth connectivity to …

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