**Lup Yuen Lee 李立源** @lupyuen@qoto.org · Jan 19, 2021, 00:26

**Lup Yuen Lee 李立源** @lupyuen@qoto.org · Jan 19, 2021, 00:26

Lup Yuen Lee 李立源 @lupyuen@qoto.org

#BL602 IoT SDK tries to init pins 3 and 4 for I2C ... Guess what happens when "i2cx" is NOT "I2C0" ? 🤔

**dv8** @dv8@qoto.org · Jan 19, 2021, 00:33

**dv8** @dv8@qoto.org · Jan 19, 2021, 00:33

dv8 @dv8@qoto.org

@lupyuen There will be Trouble! #robocop

**Lup Yuen Lee 李立源** @lupyuen@qoto.org · 2021-01-19T00:55:52Z

Lup Yuen Lee 李立源 @lupyuen@qoto.org

@dv8 Haha correct answer is "Undefined" ... "gpiopins" lives on the stack with undefined values ... So we could be setting any pin for I2C 😉

**dv8** @dv8@qoto.org · Jan 19, 2021, 01:13

**dv8** @dv8@qoto.org · Jan 19, 2021, 01:13

dv8 @dv8@qoto.org

@lupyuen Never let an Else play with Itself! Another very famous #robocop quote 😎