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 creating an App for iOS using nrf beacon.
App is for garage door and i want to get notification when door closed or open, when beacon is in range or out from range but...
I am using nRF 52840 board. I used Keil 5 to load one of the examples in SDK successfully, but when I unplug the USB cable and used the battery. My program doesn't run properly...
We worked on the nrf52832 DK.
We will begin the prototyping phase. But the dev kit's antenna is too big. Can send me a reference and schematic of a ceramic antenna.
Other...
We have based our code off of ble_app_proximity. Upon first connecting to the advertising NRF51822AB device with softdevice 110 v8.0.0, we write to pstorage.
static void...
I USE IAR7.7 AND v11.0
THERE ARE ERRS.
FS_REGISTER_CFG(fs_config_t fs_config) =
{
.callback = fs_evt_handler, // Function for event callbacks.
.num_pages = NUM_PAGES...
SDK Version: 13 Alpha
I've been able to track down, through app_uart.h, where UART interrupt priorities are set using NVIC_SetPriority(). Now I'd like to know where interrupts...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello,
I am evaluating the USB audio example from SDK v14 with an nRF52840-Preview-DK (PCA10056, V0.9.2, 2017.25).
SW9 is set to VDD power, SW6 is set to DEFAULT. The...
Hi,
I'm trying to setup Keil with PC-Lint using Nordic SDK11. I've noticed that SDK files contain a lot of PC-Lint annotations and I assumed that it should work but I'm...
Hi,
I am using the nRF52-DK board to program a custom nRF52832 beacon.
The nRF52832 device is a new device (virgin ;-))
I am using the connections as in:
devzone.nordicsemi...
I have a custom board that is running the NRF52832 from the Redbear MB-N2 Module.
Suddenly the board will not BLE advertise.
I loaded the HRM example and that won't advertise...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
Hello!!! Please tell me why for example Bluetooth or Bluetooth 5 Mesh would be better in living rooms (buildings?) than Sub 1 GHz (868 or 433 MHz for example) such as Sub1...
ADS1118:
How can I recieve the first 16 bits getting transmitted by the slave ? Will MOSI clock out p_txBuf while storing bits to arr_rxBuf if I set TX buffer len to...
