I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
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...
Hello everybody,
I am trying to pair module nRF51822 with Heart Rate Monitor device with the Surface Pro running on Windows 10 with no success. I see the module but when...
This question is a follow-up to this post . After performing several tests and understanding that some phone are more limited than others in terms of the number of exchanged...
Hi,
my device resets on executing sd_softdevice_enable(p_clock_lf_cfg, softdevice_fault_handler);
I have external 32KHZ crystal. I also know that software works because...
Hi all,
I have a quesion about reading a value's characteristic in the Android app nrf Master control panel.
I read a value, and i have the good value but i have a letter...
What happens if I call app_timer_start() to start a repeated timer. And at the same time I do a pstorage_clear() and pstorage_store()? Will the timer events get halted during...
I'm using the softdevice S310 on nRF51422 and when the softdevice is enable and I erase flash, the device won't go to sleep.
My code implementation is like as below:
...
There is a way to set the initial value of a characteristic. But how do I set the value after this without sending a notify to the master? Is it possible to write the value...
Hello,
i want use the port event to trigger timer 1. I need only one interrupt source and i don't want to use the pin event because of the higher current consumption. Its...
are there any cheap watch platforms that use nordic?
i want to make a kid alarm / potty alarm watch
do not want to develop hardware
would use nordic if i can find...
Hi,
when i m using only Proximity . when I use
- (void) centralManager:(CBCentralManager ) manager didPeripheralSelected:(CBPeripheral*) peripheral;*
this method in ProximityViewController...
Hi,
I'm trying to transfer data received from BLE to SPI. When the handler of my service in BLE is achieved I transfer the data I received to SPI.
I know the max that...
