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 accordingly to read raw value from the potentiometer...
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...
I am using a processor that can provide an 32KHz clock (from its crystal).
Can you recommend the voltage divider (caps or resistors and suggested values)?
I will power...
I added a task to ble_app_hrs_freertos.
The soft device was burned.
The address is in the default state. (RAM:0x20002128 ROM:0x1f000)
I reset the total heap size...
Hello i am quite new to using BLE for data collection. I am using a Readbear BLE Nano with a Nordic nRF51822 on it.
I want to read a Sparkfun MMA8452Q accelerometer's X...
Hello, if I disable interrupt on nrf51xxx device, function sd_ble_tx_buffer_count_get will simply run right into hard fault handler, without returning anything.
I do not...
Hi,
on NRF51 BLE peripheral I want to implement authentication, so only selected BLE masters have access to my BLE peripheral.
There is a password known to BLE peripheral...
Regarding the RTC prescaler of nRF51822,
I found out that it is the following.
Timer and RTC prescaler behavior by TASKS_CLEAR is different,
When TASKS_CLEAR is executed...
My company is making capacitive touch plates and to make them smart, app is used.We are using NRF24L01+ for rf communication between device and app. Our sockets and hub with...
I did some modification from radio test example.
But I don't know why the function "rand8" never ending.
In the function, rand8,
NRF_RNG->EVENTS_VALRDY = 0;
while (NRF_RNG...
Hi,
I have been trying to get up and running since the first DK was released for nRF52x and I am yet to have installed a working development environment. I have tried to...
I'd like to use a DMA channel on the nRF52 to copy RAM from one block to another. However, there doesn't appear to be any DMA controllers that are not directly associated...
Hello everyone
I'm trying to disable advertising but it doesn't work in some cases, I don't really know why. Here is my pretty simple piece of code:
/* Disconnect and...
www.keil.com/.../uv4_db_dbg_evr.htm
www.keil.com/.../EventRecorder.html
Keil worked in a new EventRecorder feature that uses some SWD buffer memory to push data out...
Hello,
A question to understand please. A lot of issues still unfixed in rev 1, but are known for a long time (see errata docs). Like SPI with RX = 1, DCDC -4dB on RF,...
