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
Im new in arduino and i want to connect an rfduino with one other rfduino
how can i send from one rfduino to other the degreee an how can i see the degree on the...
Hi!
I have a problem with testing ble_app_hrs_c. I am using nRF51822 develpment board + nRFgo Motherboard. Softdevice is S120 1.0.0 1alpha, SDK version is 5.10. Specifically...
The article that mentions the S120 and Rezence is this one: www.nordicsemi.com/.../Nordic-Semiconductor-announces-Bluetooth-Smart-solution-for-Rezence-Wireless-Charging-and...
Hello
I am new to developing with the evaluation kit and have a few very basic questions.
Any answers or pointers to relevant documents would be much appreciated.
...
I'm currently working on alert notification service. Correct me in case I misunderstand it.
having nrf51822 as peripheral with AlertNotificationServie will impose to have...
Hi,
I'd like to connect my nRF2740 to my MCU Arduino Micro and test it with the sample codes found in your GIT repo. How can I do this?
Best regards,
Alessandro
Sorry for the silly question, but as it is mandatory to use sd_X function when it is possible to avoid collision, could you tell me if this code is the right way to use the...
hello all, i need a Bluetooth low energy peripheral device in which i can attach a single button to in order to control simple phone operations, i'm not sure what device will...
Hi,
I need protection against the MITM attack, what should I modify in heart rate example? Actually, I change the characteristics to BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM...
Hi!
I am using nRF51822 evaluation kit and connecting it as a master to a pair of I2C-devices (using twi_hw_master.c). Everything works well, but when I integrated the...
Hi,
I am using the Evaluation Kit, and I have tried to send some data between the Developoment Dongle (PCA10000) to the Evaluation Kit board (PCA10001). As the Development...
Hi,
Are there any reference design for interfacing a nRF51822 with an external sensor for e.g. an accelerometer (STM LIS3DH, AD ADXL362 etc)
Also do we have a profile...
My application would like to receieve notifications at several different times before a radio notification event. Specifically the application needs to receive notification...
Hello,
i have two operation modes:
One or more devices are bonded and advertising mode with whitelist (BLE_GAP_ADV_FP_FILTER_CONNREQ)
A new proximity central device...
Hi all,
From this forum and the examples given in the "sdk" find two approaches to measuring the battery voltage:
using external divider 10M/2.2M+22nF
using integrated...
