Search found 794 matches

by OutoftheBOTS_
Sun Jun 07, 2020 7:26 am
Forum: ESP32 boards
Topic: State of Neopixels for esp32 in May 2020?
Replies: 7
Views: 1993

Re: State of Neopixels for esp32 in May 2020?

No, the problem with RMT is that the memory has to be pre-allocated and it can be large. We can work around this by pushing interrupts all the way through to MicroPython - so the data is generated on the Python side on-demand but this adds a lot of complexity and pushes timing constraints on to the...
by OutoftheBOTS_
Sat Jun 06, 2020 9:40 pm
Forum: ESP32 boards
Topic: State of Neopixels for esp32 in May 2020?
Replies: 7
Views: 1993

Re: State of Neopixels for esp32 in May 2020?

Unfortunately, I believe that is the current state of affairs. I went into a little more detail in the March-April News Roundup . There are a few promising ways we can resolve the issue but, right now, I don't know of any great way to drive that many pixels with the ESP32 from MicroPython. A questi...
by OutoftheBOTS_
Thu Jun 04, 2020 10:10 pm
Forum: General Discussion and Questions
Topic: STM32F407VET6 Black Board freeze
Replies: 6
Views: 859

Re: STM32F407VET6 Black Board freeze

I will suspect that 1 of the pin your trying to use is connected to something that is important to the running of the MCU. Try this commit out every line except the first 1 where you import then uncommit 1 line at a time till you find which line is causing the crash then check the schematic for what...
by OutoftheBOTS_
Wed Jun 03, 2020 9:45 pm
Forum: Other Boards
Topic: New STM32H743VIT6 dev boards
Replies: 35
Views: 7038

Re: New STM32H743VIT6 dev boards

It certainly seem very cheap
by OutoftheBOTS_
Tue Jun 02, 2020 9:33 pm
Forum: Other Boards
Topic: New STM32H743VIT6 dev boards
Replies: 35
Views: 7038

Re: New STM32H743VIT6 dev boards

I have found this board delivered for $26AUD https://www.aliexpress.com/item/4001048553596.html?spm=a2g0s.9042311.0.0.3da24c4d5Oqsga at that price I just have to get 1. Considering the amount of flash and RAM on this board and the fact it has both a header for a small SPI TFT and a FPC connector for...
by OutoftheBOTS_
Tue Jun 02, 2020 5:08 am
Forum: Hardware Projects
Topic: MicroPython based 3D printed drawing robot powered by a TTGO T-Display
Replies: 9
Views: 1849

Re: MicroPython based 3D printed drawing robot powered by a TTGO T-Display

Sounds like you have put a considerable amount of time and effort into developing this project. I notice you have also created great dos as well.

If you were to guess the total hours to get your design to this standard how many hours do you think you have spent??
by OutoftheBOTS_
Mon Jun 01, 2020 10:08 pm
Forum: Hardware Projects
Topic: MicroPython based 3D printed drawing robot powered by a TTGO T-Display
Replies: 9
Views: 1849

Re: MicroPython based 3D printed drawing robot powered by a TTGO T-Display

That's quite impressive, not an easy thing to achieve that accuracy.

I like how you stamp it rather than try to drag the pen, is this how you get better accuracy??
by OutoftheBOTS_
Mon Jun 01, 2020 12:16 pm
Forum: ESP32 boards
Topic: IR transmitter/receiver
Replies: 26
Views: 7153

Re: IR transmitter/receiver

First time posting! I was looking at the IR python repo posted above. I am curious how the 38khz carrier is being accomplished on the esp32? I just made it work after hours of poking and my solution was differents. What I did was find the esp32_rmt.c file and change the values for tx config, and bi...
by OutoftheBOTS_
Mon Jun 01, 2020 4:02 am
Forum: ESP32 boards
Topic: Stability of ESP32 vs ESP8266
Replies: 25
Views: 6256

Re: Stability of ESP32 vs ESP8266

It is not so much STM fan boys but more correct information. I use both ESP32 and STM32, started with ESP32 barbecue of price but ended up mainly using STM32 because of the random ghosts in the machine with ESP32 and also was always running out of pins on ESP32 for my robot projects. There has been ...