Search found 20 matches

by sim222
Thu Dec 23, 2021 1:29 am
Forum: MicroPython pyboard
Topic: PyBoard v1.1 Power On Boot Problem
Replies: 3
Views: 19141

Re: PyBoard v1.1 Power On Boot Problem

Found my problem. My +5V power supply turn-on was slower than the time constant of the reset RC circuit on the Pyboard. I've temporarily tacked on a larger capacitor (47 uF, way too big, just to test the solution). I will either add a more suitable capacitor on my carrier board, or put a MCP120. th...
by sim222
Mon Dec 13, 2021 5:52 am
Forum: MicroPython pyboard
Topic: How to send data using SPI for Newhaven character display.
Replies: 2
Views: 15191

Re: How to send data using SPI for Newhaven character display.

pythoncoder wrote:
Sat Dec 11, 2021 9:52 am
This line

Code: Select all

spi1.send(b'com1,com2')
will send the literal bytes object "com1,com2" which is not what I think you intend. Try

Code: Select all

spi1.send(b"\xfe\x42")
Thanks!!!
Now I can understand all things.
by sim222
Fri Dec 10, 2021 4:56 am
Forum: MicroPython pyboard
Topic: How to send data using SPI for Newhaven character display.
Replies: 2
Views: 15191

How to send data using SPI for Newhaven character display.

Hi guys, Always thanks for your all support for the micropython!!! I made some projects using MICROPYTHON already this year even I am a newbie for coding. At this time, I need to display data on character LCD display made by Newhaven:https://www.digikey.kr/ko/products/detail/newhaven-display-intl/NH...
by sim222
Tue Oct 26, 2021 3:31 am
Forum: MicroPython pyboard
Topic: How can the pyboard be reprogrammed with a new C project using ST-Link/v2?
Replies: 4
Views: 24675

Re: How can the pyboard be reprogrammed with a new C project using ST-Link/v2?

johnthagen wrote:
Tue Mar 05, 2019 4:11 pm
@dhylands I've created a wiki page on this: https://github.com/micropython/micropyt ... ST-Link-v2

Hope this is helpful to others in the future.
Thanks a lot!!
I am looking for a solution to it.
by sim222
Thu Jun 17, 2021 11:31 pm
Forum: General Discussion and Questions
Topic: Can I use a USB mass storage?
Replies: 7
Views: 2703

Re: Can I use a USB mass storage?

davef wrote:
Thu Jun 17, 2021 10:55 pm
Check out the Teensy port.
Thanks for your reply..
When I visit the site, I think the boards don't seem to support Micropython.
I am looking for the board to support Micropython.
Anyway thanks~
by sim222
Thu Jun 17, 2021 10:43 pm
Forum: General Discussion and Questions
Topic: Can I use a USB mass storage?
Replies: 7
Views: 2703

Can I use a USB mass storage?

Hi guys, I am trying to develop a data logger using 3 UARTs and want to use a USB mass storage instead of a default microSD card. I think micropython should have the host function for it. However, I can't find a suitable library or class for it. Is there any way to use it? Thanks for your help in ad...
by sim222
Tue May 18, 2021 5:55 am
Forum: MicroPython pyboard
Topic: Lack of stm32f405 chipset.
Replies: 1
Views: 3067

Lack of stm32f405 chipset.

Hi guys, I am developing the board using micropython and today I have loaded the default DFU file into the chipset. It means it's time to order the chipset to manufacture. However, I can't find any supplier for it. All stocks are gone now. What should I do? Should I change the chipset having the mic...
by sim222
Tue Mar 23, 2021 11:22 pm
Forum: MicroPython pyboard
Topic: How to set Thonny?
Replies: 1
Views: 1992

How to set Thonny?

Got the menu for it. Need to deselect heap option from view menu. -------------------------------------------------------------- Hi guys, Thanks for your reply as always. I have tried to use thonny it's worked well as I thought. However, I can't the output like REPL. Don't understand and know how to...
by sim222
Tue Mar 23, 2021 2:56 am
Forum: Programs, Libraries and Tools
Topic: How to adapt a python library to micropython?
Replies: 11
Views: 9906

Re: How to adapt a python library to micropython?

Hi! I also needed MAX30100 for MicroPython, and this discussion helped a lot to implement a working script to read this sensor. I forked from the repository mentioned in the first post of this discussion, and made all needed changes. Also added a working example. Tested nicely with ESP8266. The cod...