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...
Sir,
Can someone tell me what all things I should remember while I am trying to execute a project which is developed in sdk6 to be excecuted in different sdk file(maybe...
Hi, i'm using a code to save 4 bytes on the flash memory and it works. In, fact i checked the data address concerned using the keil and i see the changes when i write and...
I can send a CR terminated string through the UART using tx fifo OK.
BUT, if I receive a string from the UART rx OK first, and then try to send a string, only the 1st character...
Canyou please tell me how to do , to save correctly 4 bytes in my program that uses flash memory for bonfing. i have how to save 4 bytes function seperatly, and my program...
Ported the hrs_rscs relay central-peripheral app with peer mgr to custom platform with mutliple peripheral devices, and it has been working very well. The last step is to...
Hi,
I have a app that using a constantly blinking LED started at power-up, however I am having some trouble stopping the timer.. (Yes, I know it's simple.. but i still...
Dear support team,
I have problem with recovering the nrf52dk board.I check devzone.nordicsemi.com for issue, but nothing solve the problem. Board need to be recoverd...
I want to use nrf52832 to communicate with my sensors , but my three sensors should use spis to communicate, the others use TWI ,so in sampling , I need to switch between...
Is there a schedule to release an up to date version of the "nrf51-ble-driver_win_0.5.0" package, including the compiled serialization dll?
The package is a download for...
Hi,
I am burning the same code on two sets of chips nrf51882 and nrf51442. The nrf51882 chip is with 16kb RAM and 128kb of flash memory while the nrf51442 chip is with...
Hi,
I took a example (ble Peripheral : ble_app_uart) and enabled bonding and whitelist as per the tutorial devzone.nordicsemi.com/.../ and followed these link ( devzone.nordicsemi...
Hi. I'm using SDK 11, SD s130, gcc, nRF51822. My application is a peripheral that advertises OK and gets a connection from our mobile app OK, but then gets a PM_EVT_ERROR_UNEXPECTED...
Hi ,
I have designed a beacon using nrf51422 nordic chip. But when I checked the antenna frequency , i came to know that its above 2.45 Ghz. I tried by the changing the...
Hello:
I open nrf51-ble-tutorial-service-master\SDK 11.0.0\nrf5-ble-tutorial-service\pca10040\s132\arm5_no_packs\nrf52-ble-tutorial-service.uvprojx and compike then find...
hello:
I open nrf51-ble-tutorial-service-master\SDK 11.0.0\nrf5-ble-tutorial-service\pca10040\s132\arm5_no_packs\ nrf52-ble-tutorial-service.uvprojx, and compile ,the result...
