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...
The nRF51822 Product Specification says that "Maximum number of pins with 5 mA high drive is 3."
Does that mean that you can only configure 3 pins as high drive, or could...
I managed to upload my application OTA DFU when there was only the bootloader running. After my application is there, I can start DFU and my application runs thru reset_prepare...
Is there a firmware locking feature for either 51422/51822, or can you purchase OTP (one time programmable) versions?
Can you buy them mask programmed from Nordic?
I...
I want to get sensor data from arduino, with atleast 200 samples per second, but at present I am only getting around 20 samples per second. I went through forums and got to...
What is the source resistance for the GPIO pin when driven high and configured as following:
Output, Standard 0.5mA drive, No pullup, S0S1
Output, High 5mA drive...
Hi there! I added ANCS to my project which contains services nus, dis, dfus and two other custom services. Everything seems OK except device manager. I paired the device with...
Hello,
I would like to know whether the below PA can be interfaced with nRF51822?
For our application we need to increase the power of the BT. so I have selected the below...
Hi, I am now using hid mouse example to develop a project. On the nrf51822 side, connection\bond\data sent are all ok, then I need to test the project on phone side. In iOS...
Hello,
There is a problem of compile when I finished compile process on Keil as following. Is there any process I missed before I starting to develop nRF52 SDK? what I...
I'm using Windows driver 0.5.0 with a s130 BLE USB dongle.
If my application calls sd_rpc_open on init and sd_rpc_close before exiting, everything works fine.
Now, if...
Hi,
I find an interesting thing: when I test hid keyboard example with android and iOS, after pairing/bonding with the phone at the first connect time, even when phones are...
I downloaded nRF51 SDK 10, but there is no IAR project in examples\dfu\bootloader. Why does Nordic delete IAR project? Is there any problems? Now, I'm using SDK9 with IAR...
Hello Nordic
I am running into a problem where I am trying to change the interrupt priority of the the RADIO_IRQ using a proprietary radio protocol on the nRF51 rev3. I...
Hello there,
I'm currently using nrf52832 with s132 and sdk 0.9.2, based on the 'ble_app_uart' example and keil5. I'd like to use 'ble_nus_string_send' function to send...
