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,
I want to make a connectable bluettoth transmission. I need 1 service with 3 characteristics, but for now I only want to see my service in app. It is possible to do it...
I have a nRF24LE1 processor.
We have an 'RF bootloader' which operates from the pc running a 'nRFUpdate 'Firmware over the air'' program using a dongle made by 'sparkfun...
i am running this code on my nrf.
const nrf_drv_timer_t TIMER_LED = NRF_DRV_TIMER_INSTANCE(0);
uint8_t flag;
/**
* @brief Handler for timer events.
*/
void...
I currently have both the nRF51 DK and nRF51 Dongle plugged on my PC. In Keil, when I try to load my program into the nRF51 DK I get the following error: "No JLink is selected...
HI People,
I face a problem when I do an OTA DFU from APP to APP. I compiled ble_app_hrs S110_with_dfu example fro sdk 9.0.0 and did OTA dfu. Now the device advertises...
I'm in the middle of putting a NRF51822 device through bluetooth certification. The test house has asked that I have modes where the radio is transmitting on certain frequencies...
Hello. I finally succeeded mouse keyboard combo. I use mouse sensor with SPI. I send mouse_move_data in loop. However, when I connect with the computer, the mouse pointer...
I am trying to debug a SPI application using Keil and the Eval board, but am having problems with control of the port pins. I am using pin 23 as the CS pin. it configures...
On SDK 9.0 only
Do not judge the quality of SDK based on number of entries here. This thread should be considered part of Nordic effort to main the quality of the release...
Hi,
I'm in the process of transitioning my application and associated bootloader from SDK 7.2.0 to SDK 9.0.0.
I can compile both my application and bootloader now against...
Hello,
In order to test my BLE project with a development kit from Nordic, i want to know the following :
Does the nRF51-DK contains Revision 3 of the nRF51422 ?
...
I just bought the nRF51 DK and trying to follow the Beacon Transmitter Sample Application Example.
I would have 2 questions:
1 - At one point it says "Define the compiler...
I use SDK 8 or 9 &my compiler Keil uVision 5
my Development kit pca10028
Where should I add thede #include files?
I Mean de XXXX.h or de XXX.c.
Where Should I add de...
Hello, I've searched the forum for information regarding handling real-time tasks with the nrf51822. I've found this post -- devzone.nordicsemi.com/.../ -- which is similar...