In order to reduce power consumption , I configured the RX pin of the serial port with an interrupt , and when the device was asleep , it was woken up by an interrupt , and...
Hi I am using an nRF54L15 with an external watch crystal. I have notice that depending on the manufacturer of the crystal I have to use a different internal load capacitor...
i've noticed that the pc-nrfconnect-ppk is written in typescript (with a lot of .tsx files for visual elements)....
my understanding is that at the lowest-level the power...
I am using the `mcumgr` subsys to enable the DFU (Device Firmware Update) capabilities in a custom device that also features a custom (non mcuboot) bootloader. In order to...
Hi !
I have a peripheral that can connect to other nRF52's or a smart phone such as iPhone or android. Is there an easy way to detect a smart phone?
The best I can think...
Hello Nordic Team,
I have a working project that uses BLE to communicate with a mobile app, and I am now looking to integrate Google Fast Pair as an additional feature....
Hi,
I recently found out about the Periodic interval feature on GRTC CC[0] and it seems like it would be quite useful for my application. Most of my code so far uses the...
Hi,
Im trying to connect MCP25625 via SPI on nrf52. I checked with the scope that CS, MOSI and SCK are correct, but I get no reply on MISO line whatsoever.
I perform a...
Every time I want to connect to Nordic ble device from my Phone, it ask for pairing confirmation and then it create bond. That's how it should be.
But if the device is...
I'm using nfr52 with softdevice s132.
I want quickly perform flash write during power loss.
When I realize write using fs_store() I obtain time more than 5 msec.
How can...
Just do
NRF_POWER->SYSTEMOFF = 1;
in main()
and found if it's boot by powerup
the current is 10.4uA~10.5uA
and if a re-flash the hex, the current is 1.4~1.5uA
...
Hi,
Everyone,
I am using NRF51422 chip for my custom board. with transmission interval set to 2000ms and Tx power to -20 dBm, I transmit 32 Bytes BLE data and Scan and...
I use the softdevice which is s130.The code is from the demo:
static void nus_data_handler(ble_nus_t * p_nus, uint8_t * p_data, uint16_t length)
{
for (uint32_t i =...
Hi,
i'm using SPI to transfer data divided into packets of 24 bit from NRF51 to a DAC. The function that allows to send data is:
spi_master_send_recv(SPI_MASTER_1, data_vector_tx...
I'm having trouble starting my application after power cycling after flashing it with the DFU app.
I started nRFgo Studio. Erased the chip. Programmed the SoftDevice (s130_nrf51_2...
I was just wondering if anyone has any experience with or thoughs about using Zephyr ( www.zephyrproject.org/) or Mynewt ( http://mynewt.apache.org/) that they would like...
Hello all,
i am struggling with the example code of the Enhanced ShockBurst Protocoll in SDK 11. I cannot really see the structure of the code, to which time which event...
Hi all, in the forum I can read about people having issues with wrong CRC in the bootloader, but with SDK11; I have the opposite problem. It is always 0 and is always accepted...
main.c Hi,
I am having an issue with I2C transaction in my program.
There are two sensors(Touch and Temp) connected to the I2C bus. Touch sensor is working well when...
According to the official tutorial must before the MCU is powered on hold button 4 to enter DFU mode, detected that I how to achieve a certain GPIO port high level into DFU...
Hi,
I am designing a system that will include an nRF905 transceiver. How accurate should the nRF905 oscillator frequency be for each receiver/transmitter in order to ensure...
