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...
Hi,
It all happened today after being used the board for a month. when I tried to turn on the board it does not blink LED5 nor does it show up in the device manager. I to...
Hello Nordic,
I have multiple Thingy52 devices upgraded to V2.2 firmware via nRF Connect application on my android phone.
Have been trying to add the BL Mesh light switch...
I want to read timestamp in my nRF9160 device and found that "z_tsc_read()" function in Zephyr RTOS will do that. However, I am not able to include the main library of the...
Hi,
We are developing mesh control lighting system with nrf52832, now we're able to control devices through mesh.
But now we're having problem with showing node state...
Hello,
I have two devices, one central and one peripheral and I try to implement whitelist. I took a look at ble_app_hrs_c example and the whiltelist is working on central...
Hello,
I am using ble_app_blinky. I have a basic query about event handles. There are lot of event handlers registers as part of initialization. Will all these event handlers...
Hi all, we has experienced two PPK boards start to give faulty reading after several uses. I attached two screenshots about current reading with same setting on the DEV board...
Hi,
after having a little break from ot and working on another project, I am back working on getting the NRF into systemOFF. to get back into it I just made a very small...
Hello there,
Prior to updating to the latest modem firmware i was able to successfully get responses from the DK.
Running the Asset tracker app as well as AT Client. ...
Hi
I am currently trying to connect the sht31 temperature / humidity sensor. First, I made an implementation based on the twi_sensor example. I did it all, the temperature...
Dear all,
I am quite new to embedded programming and I am looking for a tutorial/example code in order to communicate/configure an accelerometer sensor (LIS2DH12) with NRF52...
Hi,
I am running SDK 15.3, nRF52840 on a custom board, Softdevice 6.1.1 and SES.
When running the secure dfu example I find that the two segments uicr_mbr_params_page...
Hi,
NRF52932, s132.
I am currently migring from SDK 14.0.0 to SDK 15.3.0, I just finished to migrate from SDK 13.2.0 to SDK 14.0.0. The project with my app compile but...
Hi
I want to transfer a text filebetween nrf51 to nrf52 .Is this possible in nrf device. If it is How can i proceed ?. I am using NRF 15.0 SDK.
Please help me on this...
Hi
We are using today nRF52832 and communicate through Nordic UART service (NUS).
Sometimes we would like to transfer files from our device to the app. This is going very...
