#homeautomation #openhab #openhab4 #smarthome #domotic #automation #raspberry #raspberrypi #swimmingpool #mqtt #esp8266 #tds #ph #ds18b20 #adc #ads1115 #pc-4205c #ita #windows #italiano #tutorial
[English Subtitles available]
0:00 Intro
2:27 Working prototype
3:12 Summary
In this new video we resume the project of the swimming pool control unit by assembling a rough but functional prototype. The components used are:
- ESP8266 NodeMCU Lolin v.3: MCU with integrated Wifi
- TDS Meter: water quality
- PH Probe PH-4205C: PH sensor
- Analog Digital Converter ADS1115: Analog digital converter to to increase the number of analog inputs of the ESP8266 (which has only one) and to improve its acquisition
- 2 x DS18B20 Waterproof temperature sensors: to get water and air temperature
I finally tested the physical and electrical connections with a relatively simple program that prints the data from the temperature sensors and the 4 analog inputs of the ADS1115 on serial.
The final goal will be to write a program to calculate the PH and TDS values and send them, together with the temperature data, to the MQTT broker and then receive them on OpenHAB
Enjoy the video
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25 июл 2024