Implementing deep sleep in nRF54L15
Using sys_poweroff()
System gets reset upon wake up by button press
Using k_sleep(K_FOREVER)
System is not waking up by button...
Hello! I've been trying to do the same project for about a month now - just a simple keyboard adapter that takes the input from a keyboard and translates it into HID signals...
Hello i am running the radio_test sample on the custom nrf5340 board for the logging purpose i am using the pins 8 and 9 of the port 0 but the issue arising is that there...
Hi.
I made the smallest system module using nRF52840. The schematic diagram is as follows.
My reference design for power supply is as follows,
For Firmware....
I have a 5 year old design using a nrf52832 on a MDBT42Q module. The BLE option was placed on the PCB in 2020 and has been unoccupied since going into production. My customer...
Hi Noridc expert ,
I am trying to configure using nsib + mcuboot on nrf52840,
I need to build the image with only public key avaliable , and sign the image else where...
Hello,
I'm currently using Visual Studio Code with the newest SDK, Toolchain and Plugin on MacOS and most of my applications are freestanding applications.
Now I want...
hi：
I combined ANCS example and HID_mouse example @SDK 9.0,but there is an error when iphone connect the device ,err_code is 0X8010,(err_code = dm_service_context_set(&m_peer_handle...
Hi Experts,
I modified a DFU bootloader from SDK 9.0 for nrf51822_xxAA chip. However, I encounter code size overflow problem when building it.
I found the ROM1 configuration...
Here are my 2 scenarios:
I need a radio chip that will be used to form a mesh network in dense bush with each node up to 150m apart. Is this possible?
I need the...
Hi all,
Edit 25 Dec '15: Rewrote post for better readability:
I am trying to modify the dual bank DFU bootloader example to work on our custom board that uses a nRF51822QFAA...
Dears:
I try to use nRF52_SDK_0.9.0_0c82e3e SDK pheripheral pwm example and set the channel1(led2)
duty to 0.
But i still could get the signal about 400mv with LED2...
I've developed my BLE application that is based on nRF518822 and softdevice S110 v.8.0.0.
I've defined 6 services (4 with 2 characteritics each and 2 with 1 characteristic...
Hello,
I want to add uart debug support to the BLE DFU bootloader (nRF51822, S120, custom board).
Therefor I increased the possible size of the bootloader (start 0x39800...
Good evening and a happy new year to everybody.
Now it's time to work again, and I already stumbled about a little twouble while implementing a peripheral with concurrent...
Hey guys,
I'm designing an antenna for our open source sensor beacon, RuuviTag: http://ruuvi.com
Because we're using 1/4 wavelength monopole antenna, I'm considering...
for ble, scan of central device can get the RSSI value of the advertising device, but the inquire can not.
Is it right?
what's the different between them?
Hi,
I have made custom nrf 51822 board, I don't have LFCLK crystal i.e, 32.768khz. When i run ble_hrs example code in it , current consumption of my board goes to ~150uA...
Hi
In my application I need to transfer several paires of bytes to a slave device, and it's mandatory
for CS signal to go high between pairs. (This actually means I have...
Hi
I want to know why flash memory access should be scheduled in between the protocol radio event?
is there any relation between the flash access and radio opeartion physically...
Hello,
I am developing a wearable device that utilises nRF51822. Right now, I am having a problem because when the wearable device is connected to a new phone, it needs...
Dears,
I am designing a notification application. I would like to know what if I want to support both of iOS and Android phone, which example code of ble_app_alert_notification...
