nrf connect cant connect my customer board

[pipixia_1_1]

Hi,

im use nrf52840 develop my product,and now my pcb is ready,but after some times program, it cant be programmed,also nrf connect and vs code .im try ti recover it by nrfjprog --recover.but also cant recover.i dont know where is the problem.and i discover the different between with 52840DK of pcb is the PIN DCC.

[Menon]

Hello,

Try disabling the DCDC converter and running the nRF52840 in LDO mode. This can help determine if the DCDC converter is indeed the cause of the problem.

Try disabling the CONFIG_BOARD_ENABLE_DCDC=n.

Kind Regards,

Abhijith

[pipixia_1_1]

i have disable it ,but also cant connect it.

[Menon]

Hello,

Closing this ticket as it is a duplicate of 329870.

Kind Regards,

Abhijith