I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Håkon Alseth was helping me with this: https://devzone.nordicsemi.com/f/nordic-q-a/83126/hard-fault-using-twi_scanner-example I accidentally clicked "verify answer" when trying...
Hi,
I have the Power Profiler Kit PCA63511 used on top of the dev kit PCA10040. I am trying to measure the power consumption of my custom hardware implementing nrf52832...
Hello,
I am using nrf52840, SDK 17.0.2, softdevice s140 and also implemented OTA DFU in my application.
I want to save some data lets say admin code in flash. Once I burn...
Hello,
I'm having difficulty getting the GPIO set up in a way that behaves predictably on the nRF9160 DK. As far as I understand it, the nRF52840 is what controls the GPIO...
Hi All! My question is that while using coded PHY is it possible to enable the ACK? In case no ACK receives then retransmission of the same packet to the receiver. Thanks...
I am trying to measure the frequency of the square wave on the ARDUINO_6_PIN on the NRF52840 Dev Kit. It seems like it works well until the square wave goes above 2MHz. Is...
Hi,
I see that in the latest SDK 17.1.0 there seems to be no example for regular UART but only for LPUART.
That made me wonder if there is any advantage in any scenario...
I have an external flash
S25FL132K
I am able to read , write and erase the flash with nrfx_qspi_cinstr_xfer function for 9 bytes. But I want to write more than 9 bytes...
Hi all, I am working on an electronic lock using the nRF52840. Currently it works using Bluetooth Low Energy and the lock opens when a digital key has been sent. (it has measures...
Hello sir,
I am sending the data of 252 bytes through send_notification() at each interval of time but when i send through send_notification() then following error occurs...
Hi,
I am compiling micropython port for Thingy:52. I am following instructions here https://github.com/micropython/micropython/blob/master/ports/nrf/README.md
I see that...
Hi,
I have created an HSL model and it's working fine. Now, I am using a light that has both CCT and RGB control. So, I have both HSL and CTL model existing in the same...
Board ：52840dk_52840
SDK： NCS1.7.1
IDE ：Visual Studio Code
I remap my bootloader partition in my application .overlay file
as
& boot_partition {
reg = < 0x000000000...
Hi,
When i changed NRF_LOG_ENABLED from 0 to 1 in file sdk_config.h returns the following error
1> Linking tdoa_tag.elf 1> E:/gcc/arm-none-eabi/bin/ld: Output/Debug/Obj...
Hello, did you test the working of 100 pairs (Transmitter and Receiver) nrf52840 BLE modules together indoors? If you did, how much data is lost while working together? Can...
