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 guys,
I start with SDK13 and i want to create SDcard saver same information every 5 second on card. This is my code, i have no idea why it din't work.
I red that...
Hi,
i am trying to compile nrf51_sdk example using linux
I have 1- gcc-arm-none-eabi-4.9-2015q3 in location /usr/local/gcc/gcc-arm-none-eabi-4.9-2015q3
also install...
Hi there,
How in the question title, what could be more efficient? use a nrf_delay_us or Timer with HFCLK source.
I am creating a custom protocol to transfer data between...
Hi, is it now possible to flash (via DFU OTA) a nRF51X without the nRF Dongle, but with a generic BLE dongle on Windows 10 ? Thank you for your answers.
Hello,
I am using Nordic's iOS library to perform DFU in our app to upgrade firmware on some BLE devices. Before the DFU, the app scans it as "Paradevice", but reads it as...
Hi,
I'm designing a prototype board with the nRF52832-CIAA and was planning on using the Johanson 2450FM07A0035T integrated 2.4 GHz filter, but have not been able to find...
Hi
in pcb designing of the nrf52832 we use two oscillators one is 32 MHz and another one is 32 kHz.
can't we use both 32 kHz instead of one 32 MHz for saving power consumption...
Hi,
I can't seem to find an example for receiving an update about restored value of CCCD when a bonded peer reconnects. I'm using SDK14.
NUS and HRS examples which use...
I am new to Nordic, and Keil, and not especially strong in microprocessors yet. I am trying to get currently developed firmware for a nRF52382 chip to operate on a custom...
hi expert
i use sdk14.1 ,nrf58312, when my phone(andriod 5.2.1)connected to nrf58312 board ,i find the addr type is 2, so i want write the mac to whitelist ,but when i set...
Hi, I wondered if the source code of the SDK 51422 PCA10028's firmware is available ? The one firmware which allows the SDK to flash other nRF51X over the air? If it is, where...
While the default microphone mode on the Thingy52 is ADPCM - which I got working fine in my evaluation environment - the SPL mode defined in https://nordicsemiconductor.github...
Hi,
I am beginner for nRF52840. I use Keil uVision 5.20 to develop firmware. I have a problem with the Nordic packs downloaded from Keil website. The USB driver is not take...
Hello.
Until now, we work with NRF52832 for a new product but we have identified that the memory (64kB of RAM and 512kB of flash) of the chip will not sufficient for our...