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...
Hello.
I have a nrf51822 ek and trying to create my software using same technics as the bootloader example from sdk. But sdk's bootloader in my case doesn't work. I programm...
hello all:
I have compile successfully my project.but have link trouble about my project codes for the nRF51822 with the Keil MDK-ARM toolchain (v4.6).
For example, for...
When I try to read attribute with authorization and reply on request with status BLE_GATT_STATUS_ATTERR_INVALID_HANDLE, my device (nRF51822) goto app_error_handler method...
After importing every of your android project demos to eclipse I have following warnings:
This Handler class should be static or leaks might occur (com.nordicsemi.nrfUARTv2...
This must be stupid question of the day. I have my nRF51822 kit and my nrfGO kit and I can't find the product key. On the box for the nRF51822 there's one tiny sticker with...
I'm using Maple and custom nrf8001 board... I have the following problems...
I'm usign the library from this topic:
forums.leaflabs.com/topic.php
But as you can guest...
I've managed to get my 85122 dev board set up on parallels on a mac and get 'blinky' uploaded to it using Keil and nrfGO studio. I then changed blinky to do something else...
What is the exact meaning of this error code? Is the pipe busy? The nRF8001? The peer? Is an indication of something I did wrong, or just a indication that something needs...
Hello,
finally I am developing an application for iPhone which works together with the nRF8001/nRF8002 which I was able to buy in a reasonable housing already. Therefor I...
First, I'm just beginning bluetooth solutions, so I apologize if my question is dumb :)
I have 2 Arduino boards, with 2 nRF8001 shields.
I want to connect them. After...
Chip: NRF51822
Per the documentation the band gap voltage is 1.2V however on my board when I apply the voltage 1.5V to AIN2 i read the following value from the ADC: 209...
I am completing a schematic using the nRF51822 part. I will be supplying the part with a 3.3V supply. I will use one of the ADC inputs to sense battery voltage (up to 10v...
Hi all,
What is the maximum data rate for the nRF24AP2 when using the Synchronous serial interface?
I cann't see it in the datasheet.
Is there anyone can answer me...
