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...
Dear Devzone members,
I need your suggestions about one thinkg.
I am trying to do sensor networking with nRF52840 tags.
I have 15 slave, 1 master. All slaves work...
So I'm trying to do some simple store and load from and to my flash memory. I'm using the nRF51822 with 256 kB flash memory. My problem looks exactly like this one, but of...
Hi.
I tired searching around the web but I did not find clear information about this. Maybe the answer is too obvious for anyone to write about.
Problem that i'm facing...
HI, I recently used nRF905, a one-to-many intercommunication project, because one-to-many will send corresponding instructions for machines with different serial numbers,...
I'm working on nrf51822 , Softdevice S110. I have implemented whitelist in my application its working fine. But ion some cases i need to disable the whitelist option ( because...
Hello Nordic Staff,
I am using the NRF52832, SDK 15.3, Keil, and the NRF52 dk dev kits. I want to modify a program such as the UART central example to recognize my custom...
I'm measuring the current consumption of udp_with_psm program reading this post, and the current is very high. why?
https://devzone.nordicsemi.com/nordic/cellular-iot-guides...
Dear Nordic. I am working in the device that require the controller to measure its VDD line to ensure that the the device goes into sleeping mode (very low current and do...
Is there any code example for Android or iOS on how to build / send a DFU request for NRF_DFU_OP_FIRMWARE_VERSION and then how to interpret the response that comes back? ...
I want to receive data through UDP in eDRX
I tried to set up non-blocking UDP by reading this post, but I can't achieve the function yet. Any help? https://devzone.nordicsemi...
Hi all,
I am successfully using Openthread for an application on the nrf52840. As the application is growing I'm thinking about utilizing a RTOS. Therefore, I am currently...
Hello. I have integrated signature validation before boot in my boot loader. This uses the `nrf_dfu_validation_boot_validate` function, which eventually calls into `nrf_crypto_backend_secp256r1_verify...
I use the above code to copy the device root key from the flash region. The if condition at the end results to FALSE always whcih implies that the key was not copied into...
Hi,
I would like to confirm whether bootloader should start from my application with BLE buttonless DFU. Once the request to enter the bootloader is received by my app I...
Hi,
I am running the Asset Tracker application from a fresh clone of the 0.4.0 nRF connect SDK. Using the supplied iBasis SIM.
It connects after booting, and I can monitor...
