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 am not sure if this is the right forum to ask this question but I can't find details on availability and pricing for nRF52840. I tried calling DigiKey but they don't have...
Hey guys,
With the ble_app_exemple, I manage to add the FDS libraries. Unfortunately, when i run the example in Debug, I got error 2 for fds(FDS_ERR_NOT_INITIALIZED). I'm...
Hi,
I am using nrf51822 module and sdk v12.2.0.
I was compiling code under ubuntu. I observed that pca10028 is configured for nrf51422_xxac target.
But i want to use nrf51822...
Hi,
The NFC function is set to read only in my application. I don't want to wake up my system when someone tap on my device to read the NFC data. (assume this method can...
Could someone confirm whether there are schmitt triggers on the nRF51822 GPIO. I found the following thread that mentions them, but it also is discussing the nRF52 series...
Arm Gcc (using Eclipse Neon) |
SDK 13.0 |
nrf52 DK (PCA10040) |
tried soft device 4.0.2 and 4.0.4
I can successfully compile and run the example -ble peripheral- ble_app_hrs...
Are there any particular practices or instructions should i follow if I want to write a custom library
We are trying to write a library for LEACH protocol and it is a network...
I spoke with someone at Nordic who seemed to imply that utilizing the radio does not necessarily tie up the Cortex processor on nRF5X devices. Is this true? It seemed to me...
I am trying everything.
In sdk_config: #define UART_DEFAULT_CONFIG_HWFC 0
In the nrf_cli_uart.c I changed it to APP_UART_FLOW_CONTROL_DISABLED,
in the pca10040.h I...
Hi , I have 2 nrf51822 borads. One is with nRF5_SDK_12.3.0_d7731ad\examples\ble_central\ble_app_hrs_c and the other is with nRF5_SDK_12.3.0_d7731ad\examples\ble_peripheral...
I would like to use the ble_app_uart_c example, found here , to connect to a custom peripheral. What values should I change in the central device code in order to connect...
I know that BLE is not suitable for high-volume streaming.
So how do BLE earphones stream audio?
Does it use with bluetooth classic protocol?
And I coundn't monitor...
Hi,
I've one central and one peripheral devices. I'm trying to make a connection between them, perform a bonding process and finally add the peripheral id in the whitelist...
Hello All
I am developing BLE based home automation system using nRF51422 DK for my research activities. now i am planing to make separate PCB nRF51422 device alone. i...
Hi,
I'm trying to get the RSSI of incoming 802.15.4 packets using otLinkRawGetRssi() , but I need only RSSI from one specific device. I tried to use whitelist ( otLinkSetWhitelistEnabled...
