Search found 14 matches

by bobricius
Fri Feb 10, 2017 10:50 am
Forum: Other Boards
Topic: PYcARD (SAMD21G18) - Python+Arduino in card shape
Replies: 0
Views: 916

PYcARD (SAMD21G18) - Python+Arduino in card shape

Hi, I am sorry little off topic, but I finished my business card :) Hope that all is good, boards in factory. It use Circuitpython from adafruit on arduino zero compatible hardware with SAMD21G18. - wallet development platform :) - badge / wrist band holes ( wearable ) - compatible board with microp...
by bobricius
Thu Oct 13, 2016 2:11 pm
Forum: Other Boards
Topic: My new PYB Nano board is coming
Replies: 42
Views: 11202

Re: My new PYB Nano board is coming

Hi, nice work :) I am searching for micropython logo in eagle format, Can anybody help?
by bobricius
Thu Sep 01, 2016 9:16 pm
Forum: Other Boards
Topic: EMA = Hybrid Espruino Pico + Micropython + Arduino
Replies: 3
Views: 2025

Re: EMA = Hybrid Espruino Pico + Micropython + Arduino

this is very coarse layout ....
I want use stm32f401cdu6 same as is in espruino pico because exists precompiled dfu files.
by bobricius
Thu Sep 01, 2016 7:31 pm
Forum: Other Boards
Topic: EMA = Hybrid Espruino Pico + Micropython + Arduino
Replies: 3
Views: 2025

EMA = Hybrid Espruino Pico + Micropython + Arduino

This is idea ... I get Espruino pico board + arduino headers and this is crazy MIX :-D Because exist native DFU Micropython port for Espruino PICO you can run BOTH on same board of course you can program native STM32 code... and maybe exist STM32F4 Arduino core or .NET ???? Now in credit card shape ...
by bobricius
Sat Aug 13, 2016 5:06 am
Forum: Other Boards
Topic: WAV player
Replies: 5
Views: 2900

Re: WAV player

>>> import wave
>>> from pyb import DAC
>>> dac = DAC(1)
>>> f = wave.open('test.wav')
>>> dac.write_timed(f.readframes(f.getnframes()), f.getframerate())
by bobricius
Fri Aug 12, 2016 10:14 pm
Forum: Other Boards
Topic: WAV player
Replies: 5
Views: 2900

WAV player

I have try wave.py from AMP skin tutorial on my nucleoL476 board (http://docs.micropython.org/en/latest/pyboard/pyboard/tutorial/amp_skin.html) but I get some errors, maybe is something changed in interpreter. First my maybe good solved error is change from _collections to ucollections ... maybe is ...
by bobricius
Fri Aug 12, 2016 10:07 pm
Forum: Other Boards
Topic: Porting to STM32L476Discovery/LimiFrog
Replies: 44
Views: 18031

Re: Porting to STM32L476Discovery/LimiFrog

badi: thanks for explanation. ... Ok if I understand for design my board I need just connect 32.768crystal to PC14 and PC15 no other crystal ...
by bobricius
Thu Aug 11, 2016 10:29 pm
Forum: Other Boards
Topic: Porting to STM32L476Discovery/LimiFrog
Replies: 44
Views: 18031

Re: Porting to STM32L476Discovery/LimiFrog

http://www.emcu.it/STM32_USB/STM32_USB.pdf there is also something about clock recovery on internal oscilator.
by bobricius
Thu Aug 11, 2016 4:31 pm
Forum: Other Boards
Topic: Porting to STM32L476Discovery/LimiFrog
Replies: 44
Views: 18031

Re: Porting to STM32L476Discovery/LimiFrog

@badi: I read in this maketing presentation on page 3.
http://www.st.com/resource/en/product_p ... g-pres.pdf
I am sorry, I am absolute beginer. I know that F072, F042 have crystal less mode.
by bobricius
Tue Aug 09, 2016 6:29 pm
Forum: Other Boards
Topic: Porting to STM32L476Discovery/LimiFrog
Replies: 44
Views: 18031

Re: Porting to STM32L476Discovery/LimiFrog

Thanks for help. I commented this dac defs and compilation is ok. But I can not found where is command \ script for filesystem initialisation ? ... And one stupid question I have read that L4 have crystal less usb, can I set this feature ? I can not found where is oscilator defined and which type .....