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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
Hi, All,
We developed our device with KEIL 5, SDK15.2 and SoftDevice 6.1.1. Android App was developed on Android Nordic DFU 1.8.1 library.
When we try to upgrage the firmware...
Hello,
We are trying to upgrade two types of our existing projects with BLE connectivity. For simplifying this help-post, I’m referring only for the simplest project group...
Hello!
I am implementing a custom OTA procedure for the NRF52840 development board and I need to be able to load the firmware from several predefined positions in the flash...
Hi,
The opcodes for Generic Power OnOff models are wrong. They weren't changed when the model was copied from the Default Transition Time server Model.
From the Model...
Hi,
My english is not good, please forgive me.
msd and hid device,set as follow:
//msd-------------------------------------------------------------
APP_USBD_MSC_GLOBAL_DEF...
Hello,
i'm practice beacon on 51422 DK. The first thing i wanna try is GPIO setting. What else i have to write or replace from the beacon example after setting GPIO in ...
Hi, I have working firmware for nRF52832 dev kit based on mesh coexistence examples (Mesh SDK 2.2.0 + nRF5_SDK_15.0.0). I'm trying to port the same firmware on nRF52840 dev...
I have flashed the firmware using nRF connect app. I have a bat file which executed few commands. I want to transfer that file to flash memory and access it I the file explorer...
Hi there!
I am trying to add custom UUID's for my BLE application.
I have a custom service which has 2 RX and 3 TX characteristics.
I have a situation where the Android...
Hi,
I would like to disable TWIM peripheral when not needed to save some power and enable it just before it's needed. Is there any delay after writing to NRF_TWIMx->ENABLE...
I want to get vdd without timer
so i found this.
https://devzone.nordicsemi.com/f/nordic-q-a/38239/nrf-52832-saadc-without-timer/147517#147517
and change some part like...
I have a design, using the NRF24L01+, that I would like to run from batteries. The Transmitting device is not a problem, because it can turn off when not transmitting.
For...
Hi All,
For NRF52 is that possible to configure the system to use a different pin for RESET than GPIO 21? We want to reset the NRF on errors, if our other MCU detects some...