Automated Self Watering with ESP8266 WiFi

[PeteKnight]

I’m guessing that you’ve selected “Generic ESP8266” as your board type in the Arduino IDE, rather than NodeMCU.

Also, you don’t need to do this:

@Little_Lo

BlynkTimer timer;
BlynkTimer timer1;

see the “Creating Interval Timers” section of this post:

Using BlynkTimer or SimpleTimer

Many users seem to struggle with the basic concepts of using BlynkTimer in their projects, despite the excellent discussions and tutorials that exist on this forum, so I thought I’d write a guide that will hopefully help clarify things. It’s rather long, as it attempts to explain the reasoning behind why and how we use timers, and covers some more advanced subjects, but I’ve tried to organise it in a way that helps people to find answers to specific questions… Why use a timer at all? Let’s say …

Pete.