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...
I loaded the BLE peripheral HRS example from the Nordic SDK 17.0.2 on an nrf52840 DK. I connected a PPK II while connecting the peripheral using an nrf52840 dongle and the...
CAN-bus shield uses the one at the URL below.
https://www.seeedstudio.com/CAN-BUS-Shield-V2.html
I want to check if the SPI connection is established correctly.(CAN...
The /v1.6.0/nrf/samples/crypto/rsa project on NRF5340 returns the following error right out of the box. psa_generate_key failed! (Error: -134)
I have installed the SDK and...
Here i am using the SAADC driver of NRF52840 for my application, using SAADC api's i want to sample the
adc input at different adc reference voltages as per the project...
Dear Nordic Engineers
Our customer now wants to develop a keyboard with NRF52833, so there are some questions to ask the engineers of NORDIC.
1、They want to be compatible...
Hi, I have problem about integeration fstorage into mesh example (LPN). I know " Mesh error 16 at 0x00000000" is Bad Memory Address. How can i fix.
Thank you so much!
Hi,
I want to know if its possible to implement a mechanism that reboot a device when an assertion occurred.
I have try to add a WatchDog but its only reboot the board...
I having problems to get reliable response once gpiote is detected
If I look at NRF_LOG or show it in the field on MINOR or RSSI, it jumps. i.e. the counter that counts...
During a power profile in source mode I am getting about 300uA of noise. When the unit is moved the noise seems to away. I have checked the grounds and everything is secure...
Hi,
I am testing peripheral_hids_keyboard of NCS SDK 1.4.2
I have issues
1. where i can able to connect with windows and Android system but it is not visualize in MAC...
Hi,
We are planning to update our product with the a Nordic BLE module in a serialization connection over a UART. The current product has a MCU EFM32GG290F1024. Our product...
Hi, I'm using an nRF52805 TWI sensor (400kHz, 1 complete received data is 9 bytes = 72 bits). The ideal time difference between each TWI sensor measurement is 72bits/400kHz...
