Hello. I recently bought this nRF51822 module www.ebay.in/.../252563375286
And I have a nrf51 DK PCA10028 with me. I am tried to upload codes to the module following the tutorial from this link www.instructables.com/.../
But I am getting an error "No device detected and readback protection error". I am a complete beginner. Can someone guide me with this?
Thank you.