Nice!
https://lowpowerlab.com/2018/07/07/new-products-m0-breakout-boards/

@boots33 said in i2c Lightning Sensor +:

#include "I2C.h" // the lightning sensor can communicate via SPI or I2C. This sketch uses the I2C interface

I mean this:

#include "I2C.h" // the lightning sensor can communicate via SPI or I2C. This sketch uses the I2C interface

@boots33
which I2C library did You used???

Have look here: http://www.whizoo.com/
and source code: https://github.com/engineertype/ControLeo/tree/master/ControLeo/examples/ReflowWizard

Hi,
what enclosure did You use for it?
MiKa

Please link for enclosure

@nca78 said in nRF5 Multi Sensor Board (12-14€):

attribute ((weak))

Thanks,Compilation OK

Hi,
I got this error, what wrong???

Using precompiled core
Linking everything together...
"C:\Users\MiKa\AppData\Local\Arduino15\packages\sandeepmistry\tools\gcc-arm-none-eabi\5_2-2015q4/bin/arm-none-eabi-gcc" "-LC:\Users\MiKa\AppData\Local\Temp\arduino_build_372810" -Os -Wl,--gc-sections -save-temps "-LC:\Users\MiKa\AppData\Local\Arduino15\packages\sandeepmistry\hardware\nRF5\0.5.1\cores\nRF5/SDK/components/toolchain/gcc/" "-LC:\Users\MiKa\AppData\Local\Arduino15\packages\sandeepmistry\hardware\nRF5\0.5.1\cores\nRF5/SDK/components/softdevice/none/toolchain/armgcc/" "-Tnrf51_xxaa.ld" "-Wl,-Map,C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810/_22_Door_Sensor.ino.map" --specs=nano.specs --specs=nosys.specs -mcpu=cortex-m0 -mthumb -Wl,--cref -Wl,--check-sections -Wl,--gc-sections -Wl,--unresolved-symbols=report-all -Wl,--warn-common -Wl,--warn-section-align -o "C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810/_22_Door_Sensor.ino.elf" "C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810\sketch\app_error.c.o" "C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810\sketch\app_error_weak.c.o" "C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810\sketch\app_gpiote.c.o" "C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810\sketch\MyBoardNRF5.cpp.o" "C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810\sketch_22_Door_Sensor.ino.cpp.o" "C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810\core\variant.cpp.o" -Wl,--start-group -lm "C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810/..\arduino_cache_2928\core\core_MySensors_nRF5_MyBoard_nRF51822_chip_xxaa,bootcode_none,lfclk_lfxo_89b01c12b33d173746e7c52b6a4ab42a.a" -Wl,--end-group
C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810/..\arduino_cache_2928\core\core_MySensors_nRF5_MyBoard_nRF51822_chip_xxaa,bootcode_none,lfclk_lfxo_89b01c12b33d173746e7c52b6a4ab42a.a(WInterrupts.c.o): In function `GPIOTE_IRQHandler':

C:\Users\MiKa\AppData\Local\Arduino15\packages\sandeepmistry\hardware\nRF5\0.5.1\cores\nRF5/WInterrupts.c:129: multiple definition of `GPIOTE_IRQHandler'

C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810\sketch\app_gpiote.c.o:C:\Users\MiKa\AppData\Local\Temp\arduino_build_372810\sketch/app_gpiote.c:79: first defined here

c:/users/mika/appdata/local/arduino15/packages/sandeepmistry/tools/gcc-arm-none-eabi/5_2-2015q4/bin/../lib/gcc/arm-none-eabi/5.2.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .heap by 4 bytes

c:/users/mika/appdata/local/arduino15/packages/sandeepmistry/tools/gcc-arm-none-eabi/5_2-2015q4/bin/../lib/gcc/arm-none-eabi/5.2.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .stack_dummy by 4 bytes

c:/users/mika/appdata/local/arduino15/packages/sandeepmistry/tools/gcc-arm-none-eabi/5_2-2015q4/bin/../lib/gcc/arm-none-eabi/5.2.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .heap by 4 bytes

c:/users/mika/appdata/local/arduino15/packages/sandeepmistry/tools/gcc-arm-none-eabi/5_2-2015q4/bin/../lib/gcc/arm-none-eabi/5.2.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .stack_dummy by 4 bytes

c:/users/mika/appdata/local/arduino15/packages/sandeepmistry/tools/gcc-arm-none-eabi/5_2-2015q4/bin/../lib/gcc/arm-none-eabi/5.2.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .heap by 4 bytes

c:/users/mika/appdata/local/arduino15/packages/sandeepmistry/tools/gcc-arm-none-eabi/5_2-2015q4/bin/../lib/gcc/arm-none-eabi/5.2.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .stack_dummy by 4 bytes

collect2.exe: error: ld returned 1 exit status

Using library MySensors-development at version 2.3.0-alpha in folder: C:\Users\MiKa\Documents\Arduino\libraries\MySensors-development
exit status 1
Error compiling for board MyBoardNRF5 nRF51822.

nice idea

https://github.com/ledfreak3d/Domoticz-remote-
https://www.youtube.com/watch?v=c9OlHDThYEU&t
https://www.domoticz.com/forum/viewtopic.php?f=38&t=19472

https://github.com/madworm/Youyue-858D-plus
if someone want to try