Another simple (No SMT) relay actuator

[dpressle]

@gus Dirtypcbs

[gus]

@dpressle said in Another simple (No SMT) relay actuator:

@gus Dirtypcbs

Thanks!

[MLs]

Where can you find the code?

[dpressle]

@MLs Its in the OpenHardware page see the Source Code tab:
OpenHardware

Note its intended to work with "Home Assistant" HA, some depending on your controller some changes might be needed.

[MLs]

@dpressle

Ok tanks

Do you have a bootloader with OTA enable

//Mattias

[dpressle]

@MLs Yes sure

[MLs]

@dpressle

Can you email it to me or maybe add it to your project.

//Mattias

[dpressle]

@MLs I am using the one from here link text

[MLs]

@dpressle

Does the bootloader use the internal 8 MHz clock?

//Mattias

[dpressle]

@MLs yes it does.

[MLs]

@dpressle

Feeling a bit confused how do you know that a bootloader uses the internal clock?
Because I used another bootloader after installing your card, I did not get the Atmega circuit to run. But if I used this bootloader, I started the Atmega circuit and everything worked.

Https://forum.mysensors.org/topic/3018/tutorial-how-to-burn-1mhz-8mhz-bootloader-using-arduino-ide-1-6-5-r5

But what makes the internal clock in used?
I use a UNO when I'm burning bootloader and do not know if you can change fuses and clock option.

[dpressle]

@MLs I think i lost you there, if there is no external osc how would it work? it is clear (at list to me) that its using the internal clock. Maybe you mean the f_cpu parameter? it is in the board text file.

I also use a nano to burn the bootloader, you can set the fuses as you wish in the boards page exactly as the link you gave is describing.

If you dont care of OTA you can use any other bootloader (like optiboot), i did it as well with this board.

I want to help you more but i need more info and pictures of your exact setup and files, can you share it?

Also some times your atmega328p-pu comes with 16Mhz bootloader pre-installed so you do need to set it up with 16Mhz osc for the first 8Mhz bootloader burn, after that you can remove it.

[MLs]

@dpressle
Ok first, I have to say that I have no problem getting your project to work. It connects directly to HA. What I get a little confused about is that according to the link I linked to it says.

Be sure to select "ATmega328 on a breadboard (8 MHz internal clock)" when burning the bootloader.(If you select the wrong item and configure the microcontroller to use an external clock, it won't work unless you connect one.)

And as I interpret your post, you can take whatever bootloader you want (8 MHz).
And if I understand you right now, all settings iis n the board.txt file?

//Mattias

[dpressle]

@MLs When i said "what ever bootloader you want" i meant MYS OTA bootloader or optiboot or breadboard bootloader etc.
They all have 8 Mhz version.

In any way this is my boards.txt settings if it helps:
MYSBL13.name=ATmega328 8MHz (RC, BOD1V8)

MYSBL13.upload.maximum_size=30720
MYSBL13.upload.maximum_data_size=2048
MYSBL13.upload.speed=38400
MYSBL13.upload.tool=arduino:avrdude
MYSBL13.upload.protocol=arduino

MYSBL13.bootloader.low_fuses=0xE2
MYSBL13.bootloader.high_fuses=0xDA
MYSBL13.bootloader.extended_fuses=0xfe

MYSBL13.bootloader.file=MYSBootloader/MYSBL13pre_atmega328_8Mhz.hex
MYSBL13.bootloader.unlock_bits=0x3F
MYSBL13.bootloader.lock_bits=0x0F
MYSBL13.bootloader.tool=arduino:avrdude

MYSBL13.build.mcu=atmega328p
MYSBL13.build.f_cpu=8000000L
MYSBL13.build.core=arduino:arduino
MYSBL13.build.variant=arduino:standard

Then in the IDE i select:

[MLs]

@dpressle

I do not get Atmel to run with Mysbootloader 8MHz.
Seems like it does not use the internal clock
Also tried to put your text into the board.txt file without any difference.
But if I use the bottloader ATmega328 on a breadboard (8 MHz internal clock it work.

[dpressle]

@MLs as i said, i can only try to help if you get me more information about your environment and pictures and then i can compare it to mine.

[MLs]

@dpressle

##############################################################

MYSBL13.name=ATmega328 with MYSBootloader

MYSBL13.upload.tool=avrdude
MYSBL13.upload.protocol=arduino

MYSBL13.bootloader.tool=avrdude
MYSBL13.bootloader.unlock_bits=0x3F
MYSBL13.bootloader.lock_bits=0x0F

MYSBL13.build.mcu=atmega328p
MYSBL13.build.board=AVR_PRO
MYSBL13.build.core=arduino
MYSBL13.build.variant=standard

## Arduino with MYSBootloader 1.3pre
## -------------------------------------------------
MYSBL13.menu.cpu.16MHzatmega328=ATmega328 16MHz (XTAL, BOD1V8)
MYSBL13.menu.cpu.16MHzatmega328.upload.maximum_size=30720
MYSBL13.menu.cpu.16MHzatmega328.upload.maximum_data_size=2048
MYSBL13.menu.cpu.16MHzatmega328.upload.speed=115200
MYSBL13.menu.cpu.16MHzatmega328.bootloader.low_fuses=0xFF
MYSBL13.menu.cpu.16MHzatmega328.bootloader.high_fuses=0xDA
MYSBL13.menu.cpu.16MHzatmega328.bootloader.extended_fuses=0x06
MYSBL13.menu.cpu.16MHzatmega328.bootloader.file=MYSBootloader/MYSBL13pre_atmega328_16Mhz.hex
MYSBL13.menu.cpu.16MHzatmega328.build.mcu=atmega328p
MYSBL13.menu.cpu.16MHzatmega328.build.f_cpu=16000000L

MYSBL13.menu.cpu.8MHzatmega328=ATmega328 8MHz (RC, BOD1V8)
MYSBL13.menu.cpu.8MHzatmega328.upload.maximum_size=30720
MYSBL13.menu.cpu.8MHzatmega328.upload.maximum_data_size=2048
MYSBL13.menu.cpu.8MHzatmega328.upload.speed=38400
MYSBL13.menu.cpu.8MHzatmega328.bootloader.low_fuses=0xE2
MYSBL13.menu.cpu.8MHzatmega328.bootloader.high_fuses=0xDA
MYSBL13.menu.cpu.8MHzatmega328.bootloader.extended_fuses=0x06
MYSBL13.menu.cpu.8MHzatmega328.bootloader.file=MYSBootloader/MYSBL13pre_atmega328_8Mhz.hex
MYSBL13.menu.cpu.8MHzatmega328.build.mcu=atmega328p
MYSBL13.menu.cpu.8MHzatmega328.build.f_cpu=8000000L

############# DO NOT WORK INTERNAL CLOCK #####################

MYSBL13.menu.cpu.8MHzinternalclockatmega328=ATmega328 8MHz internal clock (RC, BOD1V8)
MYSBL13.menu.cpu.8MHzinternalclockatmega328.upload.maximum_size=30720
MYSBL13.menu.cpu.8MHzinternalclockatmega328.upload.maximum_data_size=2048
MYSBL13.menu.cpu.8MHzinternalclockatmega328.upload.speed=38400
MYSBL13.menu.cpu.8MHzinternalclockatmega328.upload.tool=arduino:avrdude
MYSBL13.menu.cpu.8MHzinternalclockatmega328.upload.protocol=arduino
MYSBL13.menu.cpu.8MHzinternalclockatmega328.bootloader.low_fuses=0xE2
MYSBL13.menu.cpu.8MHzinternalclockatmega328.bootloader.high_fuses=0xDA
MYSBL13.menu.cpu.8MHzinternalclockatmega328.bootloader.extended_fuses=0xfe
MYSBL13.menu.cpu.8MHzinternalclockatmega328.bootloader.file=breadboard/MYSBL13pre_atmega328_8Mhz.hex
MYSBL13.menu.cpu.8MHzinternalclockatmega328.bootloader.unlock_bits=0x3F
MYSBL13.menu.cpu.8MHzinternalclockatmega328.bootloader.lock_bits=0x0F
MYSBL13.menu.cpu.8MHzinternalclockatmega328.bootloader.tool=arduino:avrdude

MYSBL13.menu.cpu.8MHzinternalclockatmega328.build.mcu=atmega328p
MYSBL13.menu.cpu.8MHzinternalclockatmega328.build.f_cpu=8000000L
MYSBL13.menu.cpu.8MHzinternalclockatmega328.build.core=arduino:arduino
MYSBL13.menu.cpu.8MHzinternalclockatmega328.build.variant=arduino:standard
MYSBL13.menu.cpu.1MHzatmega328=ATmega328 1MHz (RC/8, BOD1V8)
MYSBL13.menu.cpu.1MHzatmega328.upload.maximum_size=30720
MYSBL13.menu.cpu.1MHzatmega328.upload.maximum_data_size=2048
MYSBL13.menu.cpu.1MHzatmega328.upload.speed=9600
MYSBL13.menu.cpu.1MHzatmega328.bootloader.low_fuses=0x62
MYSBL13.menu.cpu.1MHzatmega328.bootloader.high_fuses=0xDA
MYSBL13.menu.cpu.1MHzatmega328.bootloader.extended_fuses=0x06
MYSBL13.menu.cpu.1MHzatmega328.bootloader.file=MYSBootloader/MYSBL13pre_atmega328_1Mhz.hex
MYSBL13.menu.cpu.1MHzatmega328.build.mcu=atmega328p
MYSBL13.menu.cpu.1MHzatmega328.build.f_cpu=1000000L

##############################################################```

[dpressle]

@MLs try to first upload the burning sketch to the nano (even if its already uploaded) and then burn the bootloader.
What set up do you have, how the nano is connected to the atmega?
What error do you get when bootloader burn fails?

[MLs]

@dpressle

The problem is not to burn bootloader. The problem I think is that the Mysbootloader does not use internal clock.

Therefore, I asked you how to know how a bootloader uses an external clock or internal clock.
And because you had a bootloader for OTA and internal clock, 8MHz I wanted you to send it to me.

[dpressle]

@MLs I am completely lost here, you said "I do not get Atmel to run with Mysbootloader 8MHz." and now you are asking "how to know how a bootloader uses an external clock or internal clock" how can you say its not working and then ask me how to know that its working?

To conclude this, if you successfully burn the 8Mhz Mysbootloader and the board is working then it is working with 8Mhz it cannot be working on 16Mhz because there is no external osc, its not 1Mhz because of the fuses etc.