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...
Do the GPIOs sink current even when there is no power applied to the nrf52 chip?
We connected a LED to one of the GPIOs and connected the other end of the LED to VCC. The...
hi all,
yesteryday,I download bootloader and app to my nrf52832 by nrfgo studio, but I checked the option lock entire chip from readback ,after that,I found I can not download...
Hello,
I am working with the newest revision of the nRF52 Development Kit and the app_beacon example.
I try to change the clock source for the following code:
nrf_clock_lf_cfg_t...
On SDK 11.0.0 only ( NOT the alpha release )
Do not judge the quality of SDK based on number of entries here. This thread should be considered part of Nordic effort...
On SDK 10.0 only
Do not judge the quality of SDK based on number of entries here. This thread should be considered part of Nordic effort to main the quality of the release...
I am testing nrf5 IoT tcp client example. (in \nrf5_iot\examples\iot\tcp\client)
DK side:
IP:2004::213:ddff:fe4c:6032
run as client.
2.6lowpan border router...
I'm using the ble_app_template of SDK11. but I dont have an external oscillator, so the run time freeze at ble_stack_init
in this answer , the solution is to relace NRF_CLOCK_LFCLKSRC_XTAL_20_PPM...
Hi,
I have a NRF52DK (Chip Label: PCA10040; V0.9.0; 2015.44; 682646724) and when i try to start the DK as described in the getting startet page, Step 5 failed as LED1 is...
Hi,
I am planning to make a program so that when a beacon goes far away a specific distance (around 5m) then the led should light up.
I have taken some measurements...
Hi,
I have a couple of eval boards that were created for software and hardware development. We have two versions of the nRF52832 on these development boards. I know that...
I am using nrf51822 powered by a 3.3V regulator in a li-ion powered application. We have a high current load that we're controlling with PWM at 20kHz. Radio performance is...
I want to bond with an peripheral, which has static passkey hardcoded in it. If I want to bond with it with MCP, I get an request for passkey, I can then bond and encrypt...
My environment for this is
Ubuntu 14.04
ecipse Mars2
ble_app_uart project of Nordic SDK11(makefile project)
armgcc
nRF52 PCA10040 Nordic board
ERROR...
I am trying to figure out how to exit a loop of my program using a button press on the nRF Toolbox UART app. Say it's button 4 for sake of giving it a value. I am using an...
Hello,
I've been trying to use nRF Connect 1.0.0 on OSX 10.11.6 with a nRF51822-powered board ( this one, to be precise ). Whilst nRF Connect finds the serial port and...
