![header file "MKL25Z4.h" not found for FRDM-KL25Z128xxx4 - Keil forum - Support forums - Arm Community header file "MKL25Z4.h" not found for FRDM-KL25Z128xxx4 - Keil forum - Support forums - Arm Community](https://community.arm.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/471/Keilpack.png)
header file "MKL25Z4.h" not found for FRDM-KL25Z128xxx4 - Keil forum - Support forums - Arm Community
![nRF51822 ,cannot find headers which were involved in imported into keil5 - Nordic Q&A - Nordic DevZone - Nordic DevZone nRF51822 ,cannot find headers which were involved in imported into keil5 - Nordic Q&A - Nordic DevZone - Nordic DevZone](https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/keilfornRF.png)
nRF51822 ,cannot find headers which were involved in imported into keil5 - Nordic Q&A - Nordic DevZone - Nordic DevZone
![How do I add existing files to a newly created group in Keil u Vision 4 - Electrical Engineering Stack Exchange How do I add existing files to a newly created group in Keil u Vision 4 - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/wv22f.png)
How do I add existing files to a newly created group in Keil u Vision 4 - Electrical Engineering Stack Exchange
![This example does not work after exporting on Keil µVision 5 · Issue #132 · ARMmbed/mbed-os-example-blinky · GitHub This example does not work after exporting on Keil µVision 5 · Issue #132 · ARMmbed/mbed-os-example-blinky · GitHub](https://user-images.githubusercontent.com/15887222/43982848-15afc4f6-9cf8-11e8-8583-372edaa3f1a6.png)
This example does not work after exporting on Keil µVision 5 · Issue #132 · ARMmbed/mbed-os-example-blinky · GitHub
![This example does not work after exporting on Keil µVision 5 · Issue #132 · ARMmbed/mbed-os-example-blinky · GitHub This example does not work after exporting on Keil µVision 5 · Issue #132 · ARMmbed/mbed-os-example-blinky · GitHub](https://user-images.githubusercontent.com/15887222/44105939-8009563e-9ff3-11e8-9df5-ed9ac50b852d.png)
This example does not work after exporting on Keil µVision 5 · Issue #132 · ARMmbed/mbed-os-example-blinky · GitHub
![Trouble with Keil MDK-ARM, probably with CMSIS files. - Nordic Q&A - Nordic DevZone - Nordic DevZone Trouble with Keil MDK-ARM, probably with CMSIS files. - Nordic Q&A - Nordic DevZone - Nordic DevZone](https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/keil_2D00_packs.png)
Trouble with Keil MDK-ARM, probably with CMSIS files. - Nordic Q&A - Nordic DevZone - Nordic DevZone
![header file "MKL25Z4.h" not found for FRDM-KL25Z128xxx4 - Keil forum - Support forums - Arm Community header file "MKL25Z4.h" not found for FRDM-KL25Z128xxx4 - Keil forum - Support forums - Arm Community](https://community.arm.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/471/keilerror_5F00_LI.jpg)
header file "MKL25Z4.h" not found for FRDM-KL25Z128xxx4 - Keil forum - Support forums - Arm Community
![Writing and Compiling your First Dummy Code in Keil uVision – Learning Embedded System and Microcontrollers Writing and Compiling your First Dummy Code in Keil uVision – Learning Embedded System and Microcontrollers](https://learningmicro.files.wordpress.com/2018/11/image12.png?w=712)