Problem programming custom PCBs on nrf51822

Hi, I tried my best to solve my problem via forum but unfortunately no success. I got nrf51 DK and played with it a lot. successfully program the samples and tweak them a bit. using SDK 5.1 and s110 v6.

The problem starts when I try custom boards. I have made one based on QFAAC0 for which:

I have same problem with a board I purchased online, PTR5528 which is based on CEAA . Can program blinky but no BLE.

Is there something that I am doing wrong. I did connect the board to 3 V and connected the segger programmer pins as explained in the forum (That's how I program without an error)

Thanks in advanced for your help, Ali

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  • Sorry if was not clear enough, Yes. I did load the soft device. I programmed the hex file for the soft device and the output hex file of the keil through nRFgo. This worked fine with DK breakout boards and EK board. I sucessfully loaded Blinky, Hrs and proximity examples on these boards using SDK 5.1 and s110 v6.

    When I try my own pcbs, I know that I should go to lower versions of SDK and soft device, I installed SDK 4.4.2 (and 4.4.1) and compiled the examples through keil. Flashed s110 v5 (and then v5.2) and the keil output through nRFgo studio, but unfortunately the BLE examples does not run on my boards while the blinky works just fine.

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  • Sorry if was not clear enough, Yes. I did load the soft device. I programmed the hex file for the soft device and the output hex file of the keil through nRFgo. This worked fine with DK breakout boards and EK board. I sucessfully loaded Blinky, Hrs and proximity examples on these boards using SDK 5.1 and s110 v6.

    When I try my own pcbs, I know that I should go to lower versions of SDK and soft device, I installed SDK 4.4.2 (and 4.4.1) and compiled the examples through keil. Flashed s110 v5 (and then v5.2) and the keil output through nRFgo studio, but unfortunately the BLE examples does not run on my boards while the blinky works just fine.

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