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...
Hi to all,
Ihave a problem with erasing flash on nRF51422 Evaluation Kit. When i click on Erase all button in nRFGo Studio everything is looking normal ( segger led is blinking...
I cannot download S110 to try right now. I have some 51822 Dev kits, but somehow I didn't get the product keys entered into my page, and the boxes are all gone.:D
When my application is running on the nRF51822 (e.g. the hrs example from the sdk), I want to stop this application (e.g. at a breakpoint), investigate some memory and than...
Hi,
I've started developing some test applications for the nRF8001 to better understand all the ACI libraries and improve my knowledge of the chip.
I'm experiencing some...
Unless manually set the value of bond_init_data.bonds_delete to true in the function bond_manager_init to clear bonded masters, I end up in the HardFault_handler. The last...
I'm trying to just set up a Timer for 8 MHz frequency and have that output on a pin. It seems simple but I'm having some problems (the frequency is a lot lower). What am I...
Hi everyone,
I've just started to develop software for NRF51822 - Bluetooth Low Energy on the Evaluation Kit. I managed to connect the development dongle and evaluation...
Based s110_nrf51822_5.2.1_softdevice.hex and nRF51 SDK v. 4.4.1
When scanning iOS, why not click pair on the iOS side and NRF51822
connected on? whether the pair can be...
Hi,
I'm planning a hardware solution and I need a BLE IC capable of act as a master and a slave, not at the same time, but with the possibility to change it's role by software...
I used nrf8001 to implement ANCS.It working fine.But when it disconnect for a while and reconnect(reconnect successed).I found Iphone can't send any ANCS message to nrf8001...
Hi, I would like simplify the nRF24AP2-8CH signal RF output using a Balun with a chip antenna.
What is the best way: the 2450BM14A0002 from Johanson, the BAL-NRF01D3 from...
Hello all,
I have nRF51822 and after one attempt to use it as a sniffer I have erase the demo app or everything else on it. Since then I was unable to turn back as it as...
