I'm working on a project involving a USB dongle based on the nRF52840 SDK-2.9.1, which needs to communicate with a sensor (also an nRF52840) and transmit data via USB to PC...
Hello Nordic team, For the ( POC), I configured ADC channel 1 and interfaced a potentiometer to pin P1.14. The ADC was set up to read the potentiometer's raw value . As part...
Hello, I have been going through the DFU and FOTA lesson in the Nordic intermediate course. I see that there is a FOTA support for a scenario in which we want to update a...
Hi
I need to sync a PC with a BLE board. Fixed delay is not a problem, but jitter should be max +/- 1 ms.
Our competitors have solved this issue some how.
As we all...
Hello. Right now, I am connecting an external flash using SPI. The external flash is used for firmware updates. I'm trying to launch sQSPI to access the external flash. I...
Hello, I would like to ask if the latest SDK version supports power management on the FLPR core of the nRF54L15. According to this article, the power consumption is quite...
Hi,
I just found what looks like a bug in ble_nus.c in SDK12 - not sure how to report it so I'm just doing it as a question/answer combo.
Basically:
Connect to...
Hi,
I'm developed a custom nRF52 board, and the main method to reset is via power cycling the power source (battery). Using GCC, should I still keep:
CFLAGS += -DCONFIG_GPIO_AS_PINRESET...
Now, I'm using the SDK12.1.0 and the device is NRF52832, I trying to use the secure DFU bootloader, when I open the Project Nordic provided(PCA10040 Debug) and build it, the...
Hello,
I have a PCA10028 that I want to use as a sniffer using the NRF Sniffer firmware. I tested it in macOS and it's working. The problem is that I also want to connect...
I put my code before ble_stack_init()
reset_reason = NRF_POWER->RESETREAS;
NRF_LOG_PRINTF("reset_reason: 0x%08x.\n",reset_reason );
//NRF_POWER->RESETREAS = 0xffffffff;...
Is it possible to receive connections without setting up a GATT service
For security reasons, I would prefer if generic apps and also the new Web BLE API could make connections...
Hi,
I loaded the code available at github for system on wakeup on gpio current and measured the current in low power mode by connecting a multimeter to a nrf51 dk.
The...
hi,
I am working with nrf51822 board using softdevice(s130).I am making ble initialization and continuously calling the power_manage() function in which sd_app_evt_wait(...
Before post this question. I post the MY QUESTION in stackoverflow forum.
but I couldn't find solution.
I know that Nordic board set Bluetooth Low Energy(BLE) multiple...
hi everyone.
we designed a custom board for nrf 51822QFAA chip and we flash the chip by using nrf51 DK debugger with tag-connect cable. when i flash the chip(using keil...
Hello,
I have a serialized app I'm porting to SDK 11 and the S130 SD.
This is an STM32 serialized to an nRF51.
When I call sd_ble_enable(...) for the first time at...
I'm wondering if the BLE is a low power efficient when it has to be always connected to the central device?
How it can be power efficient and the BLE while connected to...
Hello,
I'm looking for details on the nrf52 DAP signals SWDIO and SWDCLK. Such parameters als min. time high, low to Z, clock duty, maximum frequency, minimum frequency etc...
I am working in a custom board which is having nrf1822 chip and I am using Softdevice s130 2.0.1 , SDK 11.0.0, RAM available is 16Kb where soft device uses 5kb of RAM,heap...
I am duty-cycling the radio, so I listen with a timeout and then power off the radio (or transmit) if no packets were received. Currently I am ignoring the address event from...