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 recently purchased a few nrf51822 beacons. I have been successful in detecting the beacons on the Android and iOS apps. The firmware documentation says I need to press...
I just got an 32u4 BlueFruit LE board. and want to create a customized FW for its nRF51822 v3 chip.
I am using STLink v2 and OpenOCD connected to this chip. To verified...
Hello everyone! Frist of all, sorry for my broken English.
I had a timeout handler, which call by application timer every 50ms. In this function I took data from accelerometer...
I have a few nRF51-DK's lying around. I've compiled this simple test program using Yotta/mBed.
#include <mbed-drivers/mbed.h>
Serial pc(USBTX, USBRX);
DigitalOut...
hello,, i want an additional information on this product.... End of life of this chip... how long the chip will be available in market. Because we in our company decided to...
Hi,
I use the nrf24le1 device in my design. I want to stroe data when power is off, so I write data to the NVM flash. But something is wrong in my design, could you help...
Hello,
I am using the nRF51 transmitter_pca10028 example to try to communicate with legacy systems using nRF2401A.
I could achieve nRF51 TX to nRF24 RX successfully...
I would like to burst out 12 packets of 64 bytes and then go into RX mode immediately after for a single payload, followed by another round of transmissions. Is there a shortcut...
The data is sampled at 3khz, each sample is 2 bytes, connection interval is 7.5ms ,4packets per connection interval. The data is displayed on a graph with respect to time...
When I execute nRF5x_MDK_8_7_1_IAR.msi from the SDK 11 directory the files from the .msi are added to the IAR install directory, not the SDK. These changes are ignored when...
I was little bit confused between NRF24l01 and (+) plus version which is better . i want range of 900-1000m. which is best??
If i choose NRF24l01+ what are the ways to...
(/attachment/0495424521df76d5b8f8e66c969ed791)Hi,
I add ANCS Service into my Heart rate ref ble_app_ancs_c example code.
I use MCU nRF51 and SD130 in nRF5_SDK_11.0.0_89a8197...
Hello,
My device is based on nRF51822 SD110 v8.0. Softdevice is enabled, but no BT functionality used. I measure 2 different voltages with ADC each second with two channels...
I'm writing code for PCA10040 basing on UART/NUS example. There are no big changes: different UUIDs and just one characteristic for both reading and writing. I can connect...
This is a follow-up question from devzone.nordicsemi.com/.../
I finally got passkey support to work on ble_app_uart but don't quite understand the changes made to the code...
