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 want to be able to read the gyro and accelerometer values from the MPU6050 sensor.
As a base start I downloaded the NRF5 SDK V15.3.0 and modified twi_sensor_pca10056 program...
SDK 15.3
Hi,
I keep getting the following error when compiling. What file am I missing or what setting do I need to set in sdk_config? I am getting this error when compiling...
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I have started learning about Bluetooth mesh for a project to be done. i have some doubts regarding where to learn the coding and how to start coding for creating a mesh...
Hi everyone,
I was looking to use the nRF24L01/+ along with a small microcontroller (e.g., ATtiny) and I wanted to reduce the BoM as much as possible. I was planning to...
I have connections to a Azure server that has tree CA available. To be able to talk to the server with .peer_verify = 2; I need to replace the CA one by one and try to figure...
I have been uing nRF9160 as ble gateway for uploading data from two nRF52832. The nRF9160 has subscribed to the nRF52832 gatt and hence receive updates automatically. Now...
I purchased the nRF52840 dongle AND Nrf52 dev kit. My upcoming project will utilize the nRF52832. I am able to build, download, modify, and execute examples from the nRF5...
Hello everyone,
i am created my own UUID Service with a characteristic. I used this tutorial --> https://github.com/bjornspockeli/custom_ble_service_example Code is working...
Hi,
I am getting this error when enabling the twim instance. It initializes successefully but throws error when enabling it.
How can I troubleshoot it further to know...
Hello,
I want to measure the 32 kHz XTAL frequency by toggling a GPIO and measuring the frequency by a frequency counter. The nRF52 has got an external crystal connected...
Hi,
We are working with the nRF52840 and an ADC chip that is capable of I2C communication faster than 400 KHz, allowing lower latency. I know that the nRF52840 does not...
Hi,
I really need your help!
When I add DFU function to my project, I need to display DFU progress on my LCD, but I don't know where to add my display code, and I don...
Hello, Nordic!
I'm developing with nrf52840, s340, sdk 15.3.0 in my customboard
Anyway, recently, I have one problem about reset.
My device sometimes has rested and...