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 tried modifying the ble_app_uart_pca10056_s140 example as follows (nus_data_handler method modified only) such that it echoes the data back sent from the phone:
I...
Hello to everyone,
I was told to develop a simple BLE scanner using NRF52 DK (NRF52832). The idea is just to identify surrounding devices but we don't want to initiate connection...
Hello,
I just managed to trigger a syntax error for a seemingly normal set of compiler flags / defines in ser_dbg_sd_str.c:
Compiling file: ser_dbg_sd_str.c ../.....
I have to implement a custom I2C Bus communication. My Slave has to listen on all Addresses (eg. the Address 0x00 will be used as a Broadcast Address) and has to answer to...
I decided to move to 16 SDK, but I have problems with TWI. Whenever I try to read data from sensor, I get only 0 as the output. I use sensors ICM-20600.
When I try to read...
Summary: nrfx_nvmc_word_write() and similar functions can't write to UICR.
(Note that we are not using the full SDK, only nrfx)
We have used the API provided by hal/nrf_nvmc...
I am trying to compile the Thingy-52 project in SES. There seem to be multiple missing files in the project:
nordic_common.h
thingee_ble_handler.c
thingee_config_flash...
I want to implement Alexa gadget at nrf52832 / nrf52840.
Ref following Amazon information for the EIR part
https://developer.amazon.com/docs/alexa-gadgets-toolkit/gadget...
I was wondering if there are any (legal) alternatives to using SEGGER. After an gigantic (3 days) struggle with a official SEGGER programmer I still cant connect to my custom...
Hi,
I have a problem of 52832's SPI interface. Please find following description:
1. My test code is come from "spi" example code, by modify the SPI ping setting (please...
I have a nRF52840 development kit (rev 2.0, received last week) that I'm using to develop software that'll ultimately be on a dongle. It's not especially complex - I receive...
Hi
Dear Mr/Miss
I recently start with Nordic BLE family products NRF51x so I'm newbie to this and my questions maybe are so easy for you.
I have no development board...
Google open-sources the firmware needed to build hardware security keys
Google open-sourced today OpenSK, a Rust-based project to aid hardware vendors build hardware security...
Hi Nordic Team,
In my BLE project the central device is connected with multiple peripheral devices which are advertising, please share logic to count the number of active...
Are there any out-of-the-box firmwares that can turn a nRF52840 dongle into a generic bluetooth adapter (e.g. for connecting speakers, game controllers, etc) for windows?