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mateo-perez-de-gracia asked

Adding external ADC, Sensors and other I/O

Hi!


I intend to add tempeture sensors (DHT22) and Gas sensors (MQ2) and also a few relays to turn on ventilators and maybe some other sensors, I hope to be able to integrate everything to me VRM along with other victron devices.

I bought myself a rpi 3b+ and install Venus OS.

This is the list of what i bought:

-ADS1115 (16 bit adc I2C)

-MQ2 ANALOGIC GAS SENSOR

-DHT22 DIGITAL TEMPETURE SENSOR

-SOLID STATE RELAYS, I have a few i may have to buy a gpio extend hat

-Hall effect current sensor.


So I was not able to install the ads1115 and DHT22 (adafruit) python library. I ´ve read there is no pip and apt, meaning I have no idea how to install those python packages...


for what i understood I have to get the data from the sensors to the dbus so i can see it on VRM, so thats the goal.


Maybe someone who actually knows what they ´re doing can help me !


Thanks!

Raspberry Pisensor
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