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Programming a nRF51822 module using nrf5 DK

Dhaval Dalvadi

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.

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    I followed this instruction electronut.in/.../ to program nrf51 modules via nrf52 DK. Even it's written for the nrf51 DK, the information given also applies to the nrf52 DK. If you power your nrf51 module by an external power source, then you have to connect VDD to the external power supply. But be aware that the voltage is equal or below 3.3V. Otherwise you can use VDD on Pin 1 as power source for the external device. Either way is needed by the nrf52 DK board to recognise that an external nrf is about to be programmed. HTH Johannes

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    I followed this instruction electronut.in/.../ to program nrf51 modules via nrf52 DK. Even it's written for the nrf51 DK, the information given also applies to the nrf52 DK. If you power your nrf51 module by an external power source, then you have to connect VDD to the external power supply. But be aware that the voltage is equal or below 3.3V. Otherwise you can use VDD on Pin 1 as power source for the external device. Either way is needed by the nrf52 DK board to recognise that an external nrf is about to be programmed. HTH Johannes

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