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 ,everyone.Why do I use app_gpiote_user_register this function in my SDK11.0 , and i download in nrf52832 ,i found that he could not initialize, what's the problem?How do...
Hello,
I experienced connection issues with Meizu M2 phone.
My device is nRF51822 + S110 softdevice . It works perfecty with iPhone and Android 6+ that uses IRK and random...
Hi all,
I am testing the NFC pairing example code. I have tried the 3 methods, which is the legacy OOB, legacy just work, and LE OOB.
However it saw that the output message...
Hello
I have a question for startup time for 32kHz of nRF51422.
nRF51422_PS v3.1 indicates startup time for 32kHz typ 0.3sec.
What is this spec minimum value.
I’d like...
Hi,
I have problem with settings of memory for bootloader in 51822xxAB.
I have bootloader with settings for 51422xxAC, but this chip has bigger memory.
It works on nRF51422...
Hello,
I have been struggling with Eclipse for a couple of days. I created the pwm_driver project via the File/New/Makefile with existing code option. After initializing...
I'm trying to run the DFU buttonless example however this line crashes the app:
err_code = ble_dfu_init(&m_dfus, &dfus_init);
UPDATE:
Looks like this is causing the...
Hi all,
I am learning about the security mode level in BLE. Understood that BLE 4.2 added additional method which is called numerical comparison.
When I tried the...
I am searching for example on pstorage, I want to store data in flash using pstorage, mainly I want to know which files I need to include for using pstorage.
Hi all,
can we configure systick on nrf52840 to genrate exception every 1msec.
Tried doing the same but not able to observe correct value.
These are my configuration...
Hi. I need high data transmission rate(>500 KBps) over a long range(about 1000 m). Can you suggest me the best device according to my req.
Thanks & Regards
Utpal
Hi,
I have configured systick for 1msec value with Ticks=64000. When I read the systick calibration register value, the value is 0xc0000000. This indicates the Tenms register...
Hi,
is it possible for the NRF52832 to have an external I2S MCK clock when being in master.
Because I am working with a DAC/amplfier which will play some sound files from...
