Search found 633 matches

by mrburnette
Fri Nov 19, 2021 2:52 pm
Forum: Let us know a bit about you and your projects
Topic: Hello, another Australian messing with programming toys.
Replies: 2
Views: 2759

Re: Hello, another Australian messing with programming toys.

Hi all, ... Been using disco boards for a few things, but have also started using the bluepill & blackpill. In the forum you will find a goodly quantity of posts on Blue/Black pills. I suggest spending some time on issues that have arisen due to these boards shipping with "clone" micr...
by mrburnette
Fri Nov 19, 2021 2:45 pm
Forum: General discussion
Topic: GUI for serial data representation/control
Replies: 12
Views: 4472

Re: GUI for serial data representation/control

mebab wrote: Fri Nov 19, 2021 9:36 am ...
I would give Node-red a try.
A simple overview of my prior usage:
viewtopic.php?t=959

One of the great benefits, everything graphical is automatically accessible on the LAN by a modern browser; the webserver is just a free byproduct of using the tool.
by mrburnette
Fri Nov 19, 2021 2:34 am
Forum: General discussion
Topic: GUI for serial data representation/control
Replies: 12
Views: 4472

Re: GUI for serial data representation/control

I would like to use a computer to see the graphical results and control how the system works. By this, do you think Adafruit's relevant products are what I need? Look into NodeRED. It is "free" and supports Win, Linux (Raspberry Pi, Orange), and IOS. https://nodered.org/docs/faq/interacti...
by mrburnette
Fri Nov 19, 2021 2:21 am
Forum: General discussion
Topic: hi flash usage compared avr8
Replies: 4
Views: 1699

Re: hi flash usage compared avr8

I've choosed this IC due to the fact that I needed MCO/LSE output. I thought that flash and ram was plenty. I wanted a cheap IC. I don't need a bluepill or a F4 with float acceleration. The sketch above is mostly a I2C master slave implementation. I think that I'll go back to AVR for next revision ...
by mrburnette
Fri Nov 19, 2021 1:51 am
Forum: General discussion
Topic: GD32f103 and I2C
Replies: 3
Views: 2084

Re: GD32f103 and I2C

I did a bit of research and there are numerous reports of "strangeness" with the clone parts. A "blue pill" test suite: https://github.com/thanks4opensource/buck50 Clone die: https://zeptobars.com/en/read/GD32F103CBT6-mcm-serial-flash-Giga-Devices My own trip down cloneville: htt...
by mrburnette
Mon Nov 15, 2021 12:58 pm
Forum: Off topic
Topic: Raspberry Pi Zero 2 W
Replies: 20
Views: 8821

Re: Raspberry Pi Zero 2 W

ag123 wrote: Mon Nov 15, 2021 8:53 am '..
Maybe the next RPi should add a SATA controller so that you'd connect your terabyte SSD to it :lol:
External controller, but...
https://thepihut.com/blogs/raspberry-pi ... spberry-pi
by mrburnette
Mon Nov 15, 2021 12:54 am
Forum: General discussion
Topic: MCP23S17 and BluePill Problem
Replies: 3
Views: 2122

Re: MCP23S17 and BluePill Problem

Suggestion: Either fully nest the "if"s with "else" or better, use a switch-case structure.

Also, the Mega's int is int16_t and the STM32 int is int32_t, so adjust your parameter accordingly.
by mrburnette
Sat Nov 13, 2021 6:39 pm
Forum: Projects
Topic: AHT10 humidity sensor over Software I2C
Replies: 28
Views: 14790

Re: AHT10 humidity sensor over Software I2C

it turns out my pcb humidity sensor thought experiment is more than just a thought experiment the real implementation of this concept is called *capacitive soil moisture sensors* :lol: https://www.mdpi.com/1424-8220/20/19/5644 https://www.aliexpress.com/wholesale?catId=0&SearchText=soil+moistur...
by mrburnette
Fri Nov 12, 2021 10:12 pm
Forum: Projects
Topic: AHT10 humidity sensor over Software I2C
Replies: 28
Views: 14790

Re: AHT10 humidity sensor over Software I2C

the trouble with the analog world is it is really *analog*, equations and all are 'too perfect' for this real world around us,... But with Excel (or open-source similar) one can use solver and best-fit equations to derive rather simple bounded real-world models. uC just love flashed-based array tab...
by mrburnette
Fri Nov 12, 2021 4:18 pm
Forum: Projects
Topic: AHT10 humidity sensor over Software I2C
Replies: 28
Views: 14790

Re: AHT10 humidity sensor over Software I2C

My apologies to blue-man for being lighthearted about a serious post, but ag123 is kind of asking for this... ... Thinking about this, has anyone got a decent idea how to do humidity as *analog*? after all stm32 has good ADCs ;) ... Must be a slow day for microcontroller questions, but you bring up ...

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