I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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,
we try to add DTLS to the CoAP client example . We have problems with the DTLS connection. The handshake with PSK works. The first CON or NON query works also without...
Hi! I developed a locator and beacon pcb boards for AoA direction finding using the NRF52811 chip. The locator has 4 patch antennas and the SKY13575-639LF external antenna...
Dear Members,
I want to use MAX17048 and getting thiis message :
<error> app: ERROR 33281 [NRF_ERROR_DRV_TWI_ERR_ANACK] at ..\..\..\MAX17048.c:71
void MAX17048_init_i2c...
I have found an issue with ESB/Nordic radio where it will receive a packet on the wrong pipe. I think the issue occurs when the prefix array set to the PREFIX registers contains...
While testing our custom Hardware with the nRF52840 in a climate chamber in the -40°C to +85°C range i noticed that the value read from the internal temperature sensor was...
Hello,
let me explain my problem as below.
after doing pairing between nrf52832 and phone(android app). phone is central (including scan behavior)...
after success...
Hi,
I'm using SLM app (on nRF9160 module) and I want to find a way to send a data (any data) to a server.
Can someone help to provide an AT commands sequence for that...
I have written the latest thigy91 firmware, thingy91_fw_2021-10-20_d29f1dde to a Thingy:91 PCA20035 1.4.0. It outputs a serial console the following messages and restarts...
Hey Team, I was playing around with the composite example, and added in my own class a and used the mouse class to implement it while changing it to suit what i have orgianlly...
I'm working on a custom board with a nRF52840 and a Micron NOR Flash MT25QU128ABA8E12-0SIT ( https://www.micron.com/products/nor-flash/serial-nor-flash/part-catalog/mt25qu128aba8e12...
Hello,
I use BroadVoice32OpenSource.v1.2.zip to test encoding and decoding,On windows10 or 52840，
using 16bit 16Khz Continuous audio，And has been converted bin2c array...
Hello All,
I am developing an nRF52840 MCU base thread product.
For this I am using nRF52840-Dev_kit for Development and SDK - nRF5_SDK_for_Thread_and_Zigbee_v4.0.0_dc7186b...
Hello!
We have a new board design we are working on that uses the new nRF5340 chip, revision Engineering A.
However, we are having difficulty getting the SPIM4 (High-Speed...
Hi All,
I'm a little rusty on my embedded C and was wondering if I could get a few broad pointers on the best way to organize this research system I'm putting together...
Dear Nordic:
I have a STM32 family MCU with a preloaded bootloader, to which I can update the firmware via UART. The goal I want to achieve is the following:
I want to...
