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...
Hi all,
I implement a Time Client on my device, that will request a time update from my connected smart phone as a Time Server.
How can I add current time service/char...
Hi Dev Team,
Please guide me that, How to create the Service and Characteristics UUID for the nRF51822 development kit?
The service and characteristics UUID needs to be...
The provided module spi_master.c has timeout code and error returns from spi_master_tx_rx(...)
Given that there are no external control signals to the SPI block, only a...
Hi,
I am novice to this MCU development world. I have lots of programming experience with desktop/web services side.
I recently received my nRF51822 mBed development kit...
I would like to store some configuration data on non-volatile memory in nrf51822.
I'm using pstorage library to access flash, but I have problem with api calls. What I am...
Hi,
I'm developing custom PCB with nrf51822 (low voltage mode) and I have troubles with flashing the chip. I cannot see the chip in nRFgo Studio. I can flash original devboards...
Dear SOC developpers,
As many kickstarters i bought an RFDUINO kit, then I made a cool prototype thanks to the easy Arduino compatibility. I'm now thinking of industrializing...
Is there a simple software code example how to configure an interrupt handler for a single GPIO-pin? I am using nRF51822 chip with softdevice S110 and the interrupt source...
My question a little weird. Because I am super beginner about BLE. So what I want is how to write string data. now i am looking to information about this. I cannot find it...
Hi
I'm trying to implement bonding in a device based on the S120. As counter part i've used a S110 device or an iOS device (realized with LightBlue App).
While searching...
Hi All,
I am using nRF51422 and now doing ANT+ certification test with tool v1.3.6. And i find out some problem with the received value on my display in case of following...
Hi
i am not able write my application after I flashed the SD. I am using Jlinker lite (the one that comes with the Dev kit) and the scripts from the nrf pure gcc . I modified...
Hi everyone,
Is it possible to connect 2 devices simultaneously with the nRF51822 device? As soon i connect one device, the advertisement stops.
So, for me it would be...
I've already posted my problem here. But it seems a dead thread.
devzone.nordicsemi.com/.../nrf51822-timer-problems
I ran into trouble when using the app_scheduler without...
