This NodeMCU (ESP8266) board that allows you to connect two I2C Devices and read one analogue input.
In my case I connect the following sensors:
- BMx280 Temperature, Humidity and Pressure Sensor
- A capacitive soil moisture sensor that provides an analogue voltage
The NodeMCU is supply with a 240V AC to 5V DC regulator. The 240Volt input is secured by a thermal fuse 72°C and a fuse. A varistor shall additionally cut of voltage spikes.
I will use this module in combination with EASYESP for my house automation. Every room gets several sensors.
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