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...
Hi, I am searching the nRF52810 product spec and see that with standard drive, maximum GPIO output current appears to be 4mA. However, this spec is given for when the output...
Hello, I am working on SDK 1.3.0, I have an NRF9160DK and I am migrating to a custom NRF9160, I would like to output the log by moving the pins of the UART. However, it is...
We have ported from SDK v15 to v15.3 but now have a problem getting the USBD to start.
Below is a sort of pseudo-copy of our USB init routine which is working for us on...
Hi,
On Nordic SDk 15.0, I have observed that USB CDC ACM Example is not working in interrupt mode on nrf52840 Evaluation kit.
But I have tested USB CDC ACM Example in...
I'm experimenting with nRF52840 DK
However, using break points in the main loop causes 'app_error_fault_handler'.
using the iar compiler. What's the cause?
Hi~
I have a question about the SAADC.BLE Connect Mode. When I turned on Saadc LP mode, the power dissipation was 0.02mA for single-channel sampling, but 0.5mA for dual...
Hi All,
I have looked through the devzone and cannot find a solution to this. I am using the nRF52832 SDK 15.2. Working with a BNO080 IMU over TWI.
I need to read more...
I have bought new thingy 91 from mouser. Com. I burnt the latest pre complied hex file for assist tracker. I am getting all data except gps.
it is not getting connected...
I have a custom firmware developed on a nrf52832 SoC. I would like to know if i could see nrf logs such as nrf_log_info and nrf_log_debug via bluetooth? if this is possible...
Hi!
I want to use a TensorFlow Lite for microcontrollers model in my existing project built on top of the nRF5 SDK. However, as outlined in the nrf-tensorflow example ,...
Hi ,
I has been using NRF9160's AT client mode to connect with CMW500, however I found some problem.
The following is the command log that I used to send via UART. However...
I'm working on code that needs to discover services on the central so I'm using ble_db_discovery_start. However, I notice that if the connection handle passed into this does...
I am trying to measure frequency of a gpio pin. I am using the code from the below thread -
https://devzone.nordicsemi.com/f/nordic-q-a/9036/measuring-input-gpio-pin-frequency...
Hello,
About 2 months ago I upgraded my project to SDK 17.0.0 (from SDK 15.0.0).
When I opened the datasheet recently I found that a newer version - SDK 17.0.2 is now...
