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...
Hello,
I am trying to measure the current of the dk. I added the 10o resistor, loaded the ble blinky example and connected two probes. This is what i got:
In the idle...
Hi Nordic,
we started with the light_switch example
and created a second onoff model to it -> system compiles but runs into error
also tried adding a other generic model...
Hi All.
In custom report descriptor I try to use this code:
ret_code is NRF_SUCCESS
but on host while reading feature report I don't se a changed value. Maybe I'm...
Hi,
If an ESB PRX has queued a 250-byte auto-ack payload, that will take around 2ms at 1Mbs to transmit.
If the ESB PTX has the standard 250us repeat interval, will the...
I am confused about the value of RX_PW_Px register what will be the value of this register if more than 1 dynamic payload packet arrives on the same pipe-x.
I'm a beginner I'm having hard time understanding UART. In my opinion, the documentation is going too straight to the technical details and tutorials without even starting...
Dear friends,
Is there any ideas for measuring the distance between a BLE module and a beacon module without using RSSI?
With Regards,
Sunil
Calixto Systems
hi..........
i have developed nRF52832 QFAA using your schematics,and i have added sensor to it . Now i can able to flash the code and ran successful but i can't able to...
Hi,
We are developping a system connected to several devices based on NR52 MCU.
The DFU works with the nRF connect application.
Now, we would like to update the device...
Hi,
I am just getting started with the thingy 52 and I need some guidance. I am a EE by profession so I feel a bit out of my league here.
When I unwrapped my thingy I...
Hi there,
I am adding security to my service characteristic and i found that for security mode 1 level 4, bonding is required in order to access characteristic values. Is...
Hello,
My problem is pretty much identical to this one:
devzone.nordicsemi.com/.../
My functions look exactly like the ones posted in the original question and I...
Hello, and thanks for all the great examples!
I've gotten the COAP transport for background DFU working on my custom hardware platform and app, however I have noticed that...
Hi,
I do have a NRF51-DK and want to use it as a external programmer. I connected it to the OUTPUT Port which worked fine, then I flashed the mbed firmware on it because...
