Implementing Seesaw I2C soil sensor

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bcolias
 
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Joined: Thu Mar 02, 2017 4:43 am

Implementing Seesaw I2C soil sensor

Post by bcolias »

I'm have a very hard time implementing the Seesaw I2C soil sensor in Node-Red.

What I've done so far:
1. Added the i2c bus to Node-Red on my Raspberry Pi.
2. Used a standard Semma connector (I had to trim the plastic off of one to fit the sensor).
3. The i2c scan recognizes my sensor as address 54 (0x36).
4. Using command 4 to read temperature (into a 4 byte buf), I read 255s (all FFs).
5. Using command 16 to read moisture (into a 2 byte buf)). I read all 255s (all FFs).

What could I be doing wrong? I'm at my wits end with this.
Regards, Bill

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sketchy
 
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Re: Implementing Seesaw I2C soil sensor

Post by sketchy »

Hi there,
I noticed your ?...I am having the same challenge. I could not get the i2c interface to work w/ the Seesaw moisture sensor. BUT I was able to use the exec node to execute a simple python script that used the Blinka stuff on Rasp Pi.

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