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'm using DFU for my project, it worked fine until devices has been bonded , DFU cannot work again. i checked and find out that after running interrutps_disable() , the devices...
Hello, I am using an nRF51822 chip, configured to run as a SPI slave. The device receives commands from master, sends commands out of the radio, and relays back RF payloads...
Hello,
I've created my own custom model which allows a client to control the duty cycle of a couple PWM outputs which are on the server. My model is quite simple, it just...
Dear all,
We're started studying payment via BLE with NRF52. But i looking for in Nordic website and google it seem a little subject and document. Can Nordic expert supply...
Hello,
I am getting really confused when using te SAADC to convert the read values into voltages.
I have seen that the example ble_app_proximity() uses the following...
I'm using 14.2 SDK SES . I'm trying to send data of sensor through BLE . When i enable Notification in mobile applicaion (nRF connect) i generally dont get any value or garbage...
Hello, I'm trying to port my code for driving spi memory (S25FL256S) from nRF51822 to nRF52840. I'm using nRF52840 Preview DK, S140 and SDK 15.0.0. On nRF51 I used custom...
Hello everyone,
I'm using PDK 52840 as Programmer/Debugger for our target board with nRF52840 chip. We have also other componen which need 2.5V voltage (down from 3v)...
I'm new to both the nRF52 family and SPI, and I'm working on an SPI master nRF52810 (using the PC10040e setup). I'm compiling using GCC and makefiles. I've set NRFX_SPIM_ENABLED...
I try to make a simple project based on a "simple message model" ( https://devzone.nordicsemi.com/f/nordic-q-a/29836/send-and-receive-a-string-via-access-layer ) with Mesh...
Hi，
SDK：nRF5_SDK_15.0.0_a53641a
Chip：nRF52810
Example BLE：ble_app_uart（pca10040e \ s112）
Example 2.4G：esb_prx（pca10040）
I am working on BLE and 2.4G integration...
Hi，
I use SDK is ：nRF5_SDK_15.0.0_a53641a
But the SDK version in the link seems to be lower
devzone.nordicsemi.com/.../setting-up-the-timeslot-api
I am going to step...
I'm developing an application to communicate with a smartphone. I have the need of writing characteristics with the size bigger than the negotiated MTU, so I'm exploring Queued...
Hi guys, our team now are trying to used nrf52832 to stream audio to ios app, and as you know we are in trouble.
Here are some info about our test env:
1. mobile app...
