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...
I have been unable to get an ISP130301 module to work with the example dfu s110 bootloader. Dual band, single bank, all of the sdk and SD variants. I've followed the tutorial...
I want to store sensor measurements taken every 2.5ms persistently. Does a write to the internal flash happen faster than this? Can I safely assume that the internal flash...
Could somebody, please tell me what it means? I couldn't find it in the docs.
uint32_t bleDeviceManagerInit()
{
uint32_t errorCode;
dm_init_param_t params;
dm_application_param_t...
Hi, can someone help designing one PCB antenna (1.6mm PCB thickness)?
Also, I intent to do another design using with amplifier and di-pole antenna (also in 1.6mm PCB thickness...
Hi All,
Complete newbie here... Essentially I'd like to modify the nRF51822 smart beacon kit to also advertise it's battery level. From this link it certainly seems possible...
I'm developing an application based on SD130 1.0.0 (latest) and DevKit board with 51422 chip.
The application uses timer for some synchronization purpose. Operation with...
Hi
Maybe I'm getting stupid, but I'm having problems to program my new nRF51 DK kit. I was working last year with the previous version with no problems, but with this new...
Hello,
I noticed the various examples as well as the ble_advertising component all check for pending flash operations and will not start advertising until they are all...
hi guys,
im developing a program to interface accelerometer MMA8452 with nrf51822.so if accelerometer is in peripheral device,how do i send the x,y,z co-ordinates from peripheral...