NRF51 RTX-RTOS

[Richard C]

Is it possible to run Keil RTX Real-Time Operating System (RTX-RTOS) on the NRF51? Is this even possible on an M0?

[EthanHunt]

Yes, it is possible to load Keil RTX OS on NRF51. You can download nRF51_SDK_10.0.0 and go into examples/ble_peripheral_ble_app_hrs_rtx/pca10028/ folder, you will find example for soft device s110 and s130.