No readings when running sudo node test.js

[mrzephros]

I'm trying out the test.js from the examples folder in this library, however, I couldn't get any readings... I'm just getting 0s all the ways... is there any tutorial for this library? I'm using 4 load cells btw...

[mrzephros]

Anyone help?

[brendjuan]

Did you figure this out? I just ran into it as well

[brendjuan]

My issue was the pin numbering. You have to use GPIO pin numbering from WiringPi GPIO not the actual GPIO pin numbering...
https://pinout.xyz/pinout/wiringpi I used this to figure it out. Trial and error until I figured it out

[christiaanwesterbeek]

To clarify. You have for example:

• physical pin 29 = GPIO 5 = WiringPi 21
• physical pin 31 = GPIO 6 = WiringPi 22

Then you need to enter the physical pin numbering: 29 and 31.

BTW: I also had only 0 readings. Turned out I had the gnd and vcc from the HX711 connected to the Raspberry PI the other way around. Once I changed that, I got readings.