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'm following the tutorial Development with GCC and Eclipse, but have problem when use GCC to compile project that use PWM library.
I found that when compile the code with...
Hello,
I am getting data from UART and extract NRF BLE packet.
I check the CRC Flag and its OK. But sometimes the UART has some error and I have to check the 3 CRC bytes...
Hi all
I have issues with E-INK display for signals I need 100ns and 500ns delays
but in nrf delay is only nrf_delay_us()
What is easiest way to get nano delays with...
Hi,
I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...
Hello,
Can you share with us the balun of the nRF52 chipset or at least the ZLoad equivalent, that is R + jX value.
The Balun if the nRF52 is a 6-Element Balun or 4...
NRF_SUCCESS Successfully queued a notification or indication for transmission, and optionally updated the attribute value.
BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection...
Dear Nordic,
I am trying to run the BLE DFU example code. I followed the steps as instructed in the infocentre infocenter.nordicsemi.com/index.jsp
This is the way I...
Hello,
I discovered that Keil's software pack for nordicsemi devices are way outdated. Is there any chance to update those? I am quite redundant to add all sdk manually since...
I've been trying to increase NRF_BLE_GATT_MAX_MTU_SIZE on SDK13.0.0 + SD123 5.0.0 trying to follow examples such as
this as well as Throughput and Range Demo
For e.g...
Hi, to use the bluetooth 5 long range feature, do both the transmitter and receiver need to be configured to in this mode to work? Do you have any example AES 128 that I can...
SDK： nRF5_SDK_11.0.0
Softdevice： s132_nrf52_2.0.0_softdevice
project：examples\ble_peripheral\ble_app_hids_mouse\pca10040\s132\arm4
I have some questions about bonding...
