8BEC's blog
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I am writing about IoT, electronics and some AI stuff. I you want to find out more about me, check the social media channels.
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Today I’ve built a soil moisture sensor connected to the Internet of Things for less than 5€ using an ESP8266-12E and a cheap moisture sensor. The idea is to read the moisture value every x hours and put the ESP8266 into deep sleep mode.
1.Materials 1x ESP8266-12E
1x ESP8266-12E Break-Out Board (optional)
1x Soil Mositure Sensor
some wires and resistors for the voltage divider
2.Build Wire up the components like shown in the following picture.
Recently I’ve bought a couple of those super cheap ESP8266-12E devices and the proper white break-out boards.
After soldering the ESP8266 on top of the break-board I ran a few tests and tried to get this little IoT device up and running, but I wasn’t able to do so.
It took me quite a while to figure out that the VCC pin of the break-board wasn’t connected to the VCC pin going to the ESP8266 board.