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 sir
According to nRF51822 RM v2.1 session 12, there are two high frequency clock: the 16/32 MHz crystal oscillator and the 16 MHz RC oscillator. For nRF51822 BTLE application...
I know the question has been asked, but a few months has passed,
but hopefully to get some new update now.
devzone.nordicsemi.com/.../nrf51822-dk-module-as-master
devzone...
Hello,
i try to implement a simple timer interrupt on TIMER1 using one of the CC registers of the NRF51822. Here is my code:
void init_timers(void) {
// Start 32...
Hi,
I have 2 questions regarding this topic:
Which specific J-Link lite mode do we get from nrf51822 Development Kit? Is it the 9 pins model or 19 pins model?
...
Hello,
I want to implement a proximity central. At the moment, I do not get a bonded connection from central to proximity peripheral (For peripheral i use the proximity...
Hello all,
I have realized my own board with a msp430 microcontroller and a nRF24L01+.
I have configured my nRF24L01+ as described in annex C of the datasheet; the objective...
Is it possible to use the J-link to debug a stand-alone PCA10004 ? I am not using the motherboard. Powering the board separately. When I try and run debug in Keil I get error...
I would like to ask a question about the time of :"Time between DISABLE task and DISABLED event when
the radio was in TX" of the "Jitter". In the picture show the "Jitter...
Dear nordic guy, I'm developing
with nrf51822. I have one question regarding main clock control.
I want to turn on and off 16Mhz clock in application side.
application...
Hello,
I have some code running that transfers binary data from an iPhone to a nRF51822 device (used for firmware upgrade).
I have used a variable length characteristic...
When starting with nRFgo Studio "Erase all", "Program SoftDevice" & "Program Bootloader" to have a almost virgin base without an application, I succeed perform an over the...
Hello,
currently I am thinking about the proximity concept. The following scenario is given:
We have a Display that shoud lock/unlock a Device
We have a iPhone...
I used SDK 5.1 and S110 6.0, I dowmload the project ble_app_ancs to nRF51822 DK. I try to connect it to iPhone 4s (which run on IOS 7.04), when I click 'pairing', the led...