any one can shared how add Custom ble service example for S140 with NRF52840?

[EV_design]

i have flow this tutorial with nrf52840   

https://github.com/bjornspockeli/custom_ble_service_example

but d'nt work any body can share an example please ?

Thank you 

[Nguyen Hoan Hoang]

try this blog Bluetooth LE with Nordic nRF51 & nRF52 series.  Although the project is for nRF52832 it should work the same on nRF52840.