Search found 4 matches

by norbo
Tue Oct 11, 2016 11:07 am
Forum: Other Boards
Topic: Just came accross a new TPYBoard
Replies: 6
Views: 3129

Just came accross a new TPYBoard

The boards can be seen at:
http://www.micropython.net.cn/
This is amazing they took to colors from the python logo and colored the pcb with them. :o
Best Regards
Norbo
by norbo
Mon Aug 15, 2016 8:47 am
Forum: Development of MicroPython
Topic: esp8266 neopixel_write glitches
Replies: 4
Views: 1990

Re: esp8266 neopixel_write glitches

Hi To test i added a ets_intr_lock and ets_intr_unlock over the neopixelwrite loop in the source. The update of the neopixel works fine then, but it seems that the wlan connections then gets unrelaible. (connection breaks, connection establishment fails, etc.. ) For me it look that it was due to thi...
by norbo
Thu Aug 11, 2016 9:31 am
Forum: Development of MicroPython
Topic: esp8266 neopixel_write glitches
Replies: 4
Views: 1990

esp8266 neopixel_write glitches

I use the following code in a timer callback to update/animate a large number (50+) of ws2812 neopixel leds in a timer callback every 10ms. in the main loop i have the simple http server example running. fh=open("leddata.dat","rb") buf=bytearray(80*3) def timercallback(x): gloabal fh,buf nr=fh.readi...
by norbo
Tue May 05, 2015 6:45 am
Forum: Development of MicroPython
Topic: I2C Working
Replies: 8
Views: 4681

Re: I2C Working

I have some issues making the I2C work, bassically i get an Oserror: 12 and with another board an oserror: 5 when trying to do I2C comunication with mem_read. iic.scan() delivers [] and hangs up on the other (custom) board after i initialized I2c twice. Does anyone has an idea? Would be really helpf...