MicroPython Forum (Archive)

In a previous post I asked if my board was broken and it seems that it might be. I accidentally plugged the positive terminal of a 9v battery into the 3v3 pin instead of the V+ pin. The red, blue and yellow lights are on (dimly). It does not show up as a removable drive, and it doesn't show up as a ...

I accidentally plugged in the positive terminal of a 9v battery to 3v3 instead of V+ and now the red, yellow, and blue LED's are continuously shining when I give it power. The board doesn't show on the PC as a removable device and I can't connect to it through serial. I have a pyb 1.1. Help please!!

I noticed there is a couple libraries for 60x2 LCD's communicating over I2C, but I can't find any for this LCD here: https://www.sparkfun.com/products/16398 If there are no libraries for this, do I need one? Or can I just write my own code? I am new to this, so if these are dumb questions I apologize.