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...
i am working with nrf52832
i need to check 2 analog inputs and set my own v- (ref)
i can have value read every few seconds so no fast readings needs to be done
if...
Hi, I'm currently evaluating using a nRF52810 based module to synchronize time between a number (2-20) of the same devices. I currently have a working prototype using an ESP32...
Hello,
I need to interface with a touch sensor from Azoteq (IQS263). This device allows a communication window during which you can read or write on I2C. The issue is that...
Hi,
I am trying the example project "light_switch_server_nrf52840_xxAA_s140_7_0_1_dongle.emProject", facing some errors as show in image below:
If anyone has any kind...
When debugging IIC, it always crashes here. what is the problem。
nrfx_twim.c，line 441.
else { while (!nrf_twim_event_check(p_twim, evt_to_wait)) //forzen here { if (nrf_twim_event_check...
Hi,
As per the Errata 97 , there is increase in current consumption if GPIOTE is used in Input mode. We are working on low power device and cannot afford increase in current...
Hello! This is my first time using a Nordic product and I'm still learning the basics. I am adapting the TWI Sensor example and I'm trying to read data back from an accelerometer...
1. After some time in the field (have not been able to recreate this in the lab, it takes weeks),
LPN nodes will start to return NRF_ERROR_FORBIDDEN from calls to access_model_publish...
Hello all,
I have been testing the SAADC example from the peripheral directory.
The goal is to acquire a single sample from SAADC using nrf_drv_saadc_sample_convert...
Hello,
I have 3 different nRF52 DK eval boards versions
1. PCA10040 , 1.1.0. 2016.16
2. PCA10040 , 1.2.4. 2019.5
3. PCA10040 , 2.0.0. 2020.8
When I try to measure...
Hello all
I was wondering if someone already made some first steps with AMS (Apple Media Service)
I'm trying to get a project running where I can control the music on...
Hi,
I am developping some kind of driver as my company calls it which will be used to easily setup a mesh network for our projects. I am using the light_switch_client_example...
Hi,
I'm working on a project to create a peripheral works with multiple centrals. I know the current SDK support multi peripheral/central scenarios. Is it possible to make...
Hi,
I'm using a custom nRF51822 board powered by a coin cell and need to trigger a specific LED when the battery is low.
Using this thread as the reference, I tried to...
