Matrix user forums

Hi Ben, Hi Leigh Nice to hear that you have already chosen the same module. It's working fine this Heltec Board together with the new FC9. For my computer a have additionally to download and install this USB driver: https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers And for the Oled Di...

Hi Ben

On the Heltec wifi-kit-32 is an OLED 128*64.
How can I use this OLED?

regards

Stefan



https://heltec.org/project/wifi-kit-32/

Hi Ben

Thank you very much Ben.
I have installed FC9 and the ESP toolchain.
A small program written and everything looks fine.
Now I have to get some ESP boards and try the hardware.
It's brilliant!

regards

Stefan

Thanks Ben.

That's good news..

Can you tell us which ESP boards are supported?

regards

Stefan

Hi Brendan

Just go to the:
Build/Project Options/
Then to the:
BOOTISA and change form
Bootcode and Exeption code is micromips
to
Bootcode and Exeption code is mips


regards

Stefan

Hi B.Senthil Thats good news. You can have a look to the ADCON0 register regards Stefan 36.1.6 RESULT FORMATTING The 12-bit ADC conversion result can be supplied in two formats, left justified or right justified. The FM bits of the ADCON0 register controls the output format. bit 2 FM: ADC results Fo...

Hi B.Senthil


With different PIC, for example PIC32MZ2048efg, you can choose the AD bit resolution (8,10,12), but not with this PIC18F46K42, this has always 12 bits.

Can you control, if your potmeter is on 5volt and not on 3.3volt?


regards

Stefan

Thank you Ben, this is a very good information. a small wish. The DSP components are a huge advantage of Flowcode. I used the high and low pass filter DSP components. For 8 channels at the same time. And that works without any problems. Maybe the FLAC codec could be built in there? And pull a thread...

Hi Ben With Flowcode8 it is comfortable and easy to write wav files. Would it also be possible to write or read FLAC files in the next version of FC? FlAC files are compressed audio files but not like MP3. The FLAC files are lossless and the codecs are open source. The practical thing for me, is tha...

Hi Martin

I used the terminal program from here and it's working fine to connect to my hardware and transmit simple commands to start and stop my recorder
I think Hi also provides the source code.

http://www.kai-morich.de/android/

regards

Stefan

Hi Martin

I only need a "single file". I have to add data for 7 days. Then I have to read all the data and clear the memory.
Only sometimes does the battery run out or I switch off the device. So I would have to save in the W25 where I have to continue writing data.

regards

Stefan

Hi Martin Thank you for sharing. I thought about using this memory instead of the Sd card. With the SD card, FAT takes over the management of the related data and free space. But with this memory I have no idea where to read or write data. Is there a way to manage the memory like in FAT? regards Ste...

Hi Dionyzoz


Yes it is from FC8. And there is an another error. This second error is just with the timer from your STM chip and not with my PIC32MZ timer.

regards

Stefan

Hi Dionyzoz

Trie this parameter

regards

Stefan

Hi Bob

There is a very praktikel tool in flowcode to generate a signal

https://www.flowcode.co.uk/wiki/index.p ... ator_(DSP)

or if you need a signal on a pin you can use an interrupt for this.

If you explain more we, can help you more....

regards
Stefan

ok sorry about the irq. I just saw now how it works.

I think you are correct with your channel1 and the pins Maybe there is config problem of the pic. Can you change to softwaremode for the I2C and have a look for the clocksignal with the oscilloscope? Can you also include a Pin or LED in the Irq and test with oscilloscope if there is always an Irq? A...

Hi Seokgi You need a clock to send and read I2C Check if the IRQ is working, Remove for a test the 100ms Delay or make a loop in the main for a simple clocktest. An with your oscilloscope, the pin is always hi (not low)? If you never have a clock we have to look at this DS40002043D-page 8 did you se...

Hi Seokgi

Is the counting ok in this way?
Do you have pullup resistor for the I2C bus?
With your oscilloscope did you see the clock and data you are sending?
regards
Stefan

Hi Steve


To work in softwaremode give some problem in the windows with component with a display like the wii nunchuck.

The good thing is, with the new Nvidia Driver update from today 2020.10.21. Flowcode is working nice again in hardwaremode and on a second screen.

regards

Stefan

Hi Jan

Some small PiC just have VDD and VSS, some big PiC have additional Analog power pin AVDD and AVSS

regards

Stefan

Hi Jan Can you post a schema from the hardware? How did you connect the ADC input? The source for ADC input should be a low impedance. You also have to be careful with possible offset voltages. And can you test with about 2Volt on the input? Sometimes there is a surprise when the ADC does not run at...

Hi Ben

Half of the people cannot calculate percentages, that are more than 80%.

I suspect the calculation is wrong.
But you don't have much ram left, with one or two 16Bit more is the limit. A byte need 1Ramplace an integer need 2Ramplace.
Is a 16Pin PIC an option?

regards

Stefan

Hi Ben

This PIC has very little ram maybe you can switch to one with 256 byte
Here a link to the 8pin 8bit PIC.

https://www.microchip.com/ParamChartSea ... nchID=1001

regards
stefan

Hi Steve

Thanks a lot. It solved the compiling problem.

In one of my program I had also this panel and I never understand why there are pins, and for what are this pins? a component?

In the 2D panel or 3D panel there are no components. I deleted all......

regards

Stefan