Smart cutebot using Microbit v2 on Espruino IDE questions

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•

kakcalu13
That seems it move forward, but it returns the undefined.
```
I2C1.setup( { sda: D20, scl: D19 } );
=undefined
```
See here full snippet:
```
>I2C1.setup( { sda: D20, scl: D19 } );
=undefined
>I2C1.setup();
ERROR: SDA and SCL pins must be valid, got 255 and 255
=undefined
>I2C1.writeTo(0x10,10)
=undefined
>I2C1.writeTo(0x10,1)
=undefined
>I2C1.writeTo(0x10,1);
=undefined
> 
```
As you may tell that I'm very new to this. This feels like I'm trying to push a wooden triangle in the circle hole without knowing what those are.

I followed the tutorial and it worked but when it comes to me trying to move the motor, it didn't work. Any advice?

I truly appreciate your time!

•

fanoush in reply to @kakcalu13

but it returns the undefined.

https://www.espruino.com/FAQ#when-i-type-a-command-why-does-espruino-print-undefined-

As for "I2C1.setup(); ERROR: SDA and SCL pins must be valid, got 255 and 255" why are you calling setup again (in wrong way)? you already set it up correctly in line above.

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