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...
Hello,
I am using ble_app_gls example and I have implemented static passkey in the code. Now I want to see if wireshark shows the passkey when I connect to ble devices. For...
What is the best way to go about implementing secure reads/writes to the NRF52 NFC tag? I noticed there didn't seem to be any built in security functionality in those areas...
I am attempting to use nrf_drv_adc.h in a project where I am splitting up my methods across many C files and, to my surprise, nrf_drv_adc.h does not have any include guards...
Hello,
I received the above error using NRF5 SDK 12.2. I have modified "nrf_drv_config.h" so that it reads #define TWI0_ENABLED 1 . Also, I put #include "nrf_drv_config...
Using nrf52 DK , SDK 12.2 , and armgcc.
I want to use BLE_UART but I also want to bond.
I started with the BLE_UART example code and added peer manager and FDS.
I...
I've been trying to track down a bug where a couple of my Central test devices, a Nexus 5 and 7 (Android 6.1), won't send a connection request to a peripheral they're bonded...
Hi
I have a problem on testing the HRS examples on SDK12.2.0.
When I use a android phone, running on version 6.0, using nRF Toolbox version 2.2.1 App, to connect to the...
Hi!
After reading nRF24L01 product spec, I'm really unsure:
Spec. says: "The input signal should not have amplitudes exceeding any rail voltage."
"rail voltage" it's...
Update 1/27/2016
Just reviewing again the pins + schematic; I am using the following pins:
SCK P0.07
CS P0.08
MOSI P0.06
MISO P0.05/AIN3
Looing at the...
After i test a lot of possible configurations for nrf24L01+ based on the documentation, i didn't come to the right setup for all the nRf24L01+ registers to send data from...
Hi,
I'm using Windows and I am following this tutorial.
I am at the point where I need to write make at the example project.
I get this error
as warned in the...
Hi,
I'm trying to get a general idea of how the radio will perform near the bottom end of the supply range.
Our product concept is currently designed on a system voltage...
Hi,
I stuck on SOFTDEVICE_HANDLER_INIT in example code on nRF DK PCA100028 within debug.
It is example code from SDK 7.1.
How Can I solve this?
Why Nordic's SDK...