MicroPython Forum (Archive)

I have be playing with a simple web server and reading/writing to HTTP pages but have been plagued by a mysterious hardware WDT 'rst cause 4' crash across previous MPy builds. I finally nailed it down to an issue with socket.recv() statement and the simplified program below which reproduces the prob...

Windows NOOB: How to build MPY-CROSS on your Windows system. First, thanks for all the great work by everyone working on Micropython! OK, a little green and using Windows (Win7). Took me a while, but I finally figured out how to pull the necessary pieces together to be able to create (make) MPY-CRO...

That did it!!!

Replaced 'self.bus.writeto(self.addr, chr(cmd))' with 'self.bus.writeto(self.addr, ustruct.pack("B",cmd))' and it works perfectly!

Thanks for the help!!!!!!!

This is a strange one.... I am attempting to move a simple Python I2C LCD library for an HD44780 working on an RPi to an ESP8266 NodeMCU. The changes are limited to the supporting I2C library file and the changes only substitute the I2C initialization and write commands (see below). Here is the prob...