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 want to use the nRF51-DK board as a programmer for my target. As I understand it, this can be done with the signals on P19. However, there is one signal, EXT_RESET, that...
github.com/.../nrf51-UART-examples
Hey any I was trying to test the example, the one with BLE
I test
APP BLE sending --------shows on PC UART software
However, I can...
Hi,
I would like to ask if someone has experience using the AES. I n eed to be absolutely sure that the user SW can use the AES HW block for own custom usage. If yes, Are...
I'm using SDK's interface for AES ECB block, but getting a hard fault when ECBDATAPTR is redirected at ecb_data in the initialisation function:
static uint8_t ecb_data...
I have built the dfu_dual_bank_ble_s110_pca10028 project and attempted to load the ble_app_hrs_s110with_dfu_pca10028 application. I did find that if the use the S130 softdevice...
Hello,
I have a nrf51822 chip using s110 SD. I am trying to read a serie of 14 bytes from UART. If the device is connected to a phone with BLE I receive the correct values...
When my nRF51 DK is only a board without any software.How can I make it work and support for mbed?
If I have to flash the SoftDevice, the bootloader by using nRFgo Studio...
Hi All,
Am developing an app that communicates with an embedded device through Bluetooth low energy.
The embedded device is sending the data in hex format say "35AE51BA44...
Does sample code exist for the pstorage module?
I am calling this code right before advertising_start() in the heart rate monitor application for the newest SDK. It doesn...
Hello,
I used ble_app_uart_c and ble_app_uart exemples on 2 tiny ble boards and S130.
Write and notifications are very slow. Does someone have an idea ?
Connection...
This code do a test triangle with 3 boards on mbed (using BLE API). I have digged in BLE_API and it looks like if instability was in S130. Have you this kind of test in internal...
I've got SLAVE_LATENCY set to 40 in hope that only every 40th request from the master would be responded to since there's no data to read or write, resulting in lowered current...
The question was asked here:
devzone.nordicsemi.com/.../
But not really answered.
Is it really necessary to buy a Dev Kit?
Isn't it possible to obtain a Key without...
