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...
2017-04-12T06_05_42.374Z-log.txt
Hello,
the example "experimental ble app cgms" (SDK v13.0.0) failed to pair with nRF v1.1.1.
The error code was Authentication failed...
Hi, guys. I'm using two PCA10040 boards. One is using the ble_app_uart__saadc_timer_driven__scan_mode example
github.com/.../main.c
and the other board is flashed with...
Hi,
So I've been trying to get the SIP down to use its most minimal power consumption level to the claimed floor of 7uA or so (I'd take 20uA even), and have stripped the...
Hi everyone, I am using nRF52832 (PCA10040) and ICM 20648. I want to write a I2C aka TWI interface to read accelerometer and gyroscope readings and print them out with TeraTerm...
Hello,
Does anyone know if I can use J-link BASE for programming in factory. I haven't seen any limitation related with it why can't use it for production purposes but If...
Hi,
In app design stage, and we cant connect to the bluetooth device UNLESS GPS is actually on. I dont mean permission, that's fine, I mean actually having the gps service...
Hi, I just started to develop a new project with nRF52840 and I've been trying to understand about white listing feature of BLE.
As I need white list to skip unknown device...
Hello everyone,
We are using the nrf52832 Dev Kit ( PCA10040 1.2.1 2017.49 682663245)
SRK Version 15.3
OS : Fedora
On the saadc example in the peripheral folder...
Hello,
I need to convert a standard 32 bit floating point number to IEEE-11073 16-bit FLOAT with 12-bit mantissa and 4-bit exponent (source: https://infocenter.nordicsemi...
Good morning,
I have been asked to merge the code developed by two independent teams. Of course, each one of them took their decision on the management of time, and of course...
Hi,
Im using NRF52840 with SDK 14.2. Currently trying to use SPI to read a large amount of data. Currently, the SDK is limiting the array buffer size to 255. My understanding...
We're using FDS in our application and have found that often after quick, repeated writes to a given record, the next time that an attempt to open the record is made, the...
I have a central and peripheral both running on nrf52840 Dev Kits. The connection is made by scanning using the 15.3.0 SDK scanning module with a UUID filter and connect_if_match...
