• nRF51822 Sleep modes

    Hi All, My question is about available sleep modes in nRF51822. As I can find in nRF51 Series Reference Manual, and Product Specification documents, nRF51822 chip has two essential sleep modes, System-ON and System-OFF . Where the System-OFF is…
  • Set 2 pins to wakeup from System ON and OFF, and know which pin was pressed

    I want to configure two pins to be able to wake up both from System ON and OFF and know which pin was pressed is it possible?
  • Sleep current: disabling TWI, pull-ups?

    I'm developing some simple wireless temperature sensors based on NRF51822s. In essence, they take a temperature measurement from a sensor over TWI, send it to a base-station using the micro_esb libraries, and then go into SYSTEM ON sleep for a period…