In this recipe, we will be looking at how to create alerts based on the data you logged online. Alerts are available for locked dweets. They send notifications to you when the posted data exceeds a certain limit. This is an important feature for real-time monitoring. To demonstrate this, we will create an alert to inform us when the temperature exceeds 25 degrees Celsius.
You will need an ESP8266 board, a USB cable, and several other hardware components:
Soil moisture sensor (https://www.sparkfun.com/products/13322)
220 Ω resistor
100 Ω resistor
10 kΩ resistor
Breadboard
Jumper wires
Set up the hardware as we did in the, Connecting sensors to your ESP8266 board recipe:
We will still use same thing name, garden-monitor-11447
, when posting data online. However, you may need to use another thing name just in case the one suggested earlier is locked. If that is the case, remember to use your...