Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a Li-Ion battery, you want to build a small battery-powered sensor that… ...

ESP8266 WiFi Weather Sensor. Contribute to MalteP/espweather development by creating an account on GitHub. Skip to content. Navigation Menu ... Open it, change to the "Config" tab and choose the ...

The Amazon Dash Button is a tiny piece of hardware that contains a single pushbutton, a WiFi module, and a nice, shiny corporate logo. Press the button, and products with that logo will be delivere… ...

Sonoff TH16 is a WiFi relay device powered by Espressif ESP8266 WiSoC, able to handle a load up to 16A (3500Watts @ 220V), and including a jack for sensors. The company recently sent me a sample ...

Open AirGradient is a DIY air quality monitor based on the Wemos D1 mini ESP8266 WiFi IoT board programmed with Arduino and fitted with a range of sensors including an optional Sensirion SGP41 TVOC ...

The NodeMCU module also has a Flash button (GPIO0, use as ‘binary_sensor’) and an LED (GPIO16, use as ‘switch’ or, maybe better as ‘light’) that can be used. The Flash button can be used e.g. as a ...

In this paper, the design and realization of a network of weather sensors is presented, which aims at measuring temperature, humidity and air quality by using DHT11 and MQ135 sensors. The ...