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 everyone,
First of all sorry for the big post but I have to clear many questions inside my head.
I just finished and received my prototype board that incorporates Raytac...
Does anyone know of training that would help get a novice off the ground with the Nordic nRF51 devices? I'm new to Bluetooth and ANT, and while I have figured a few things...
Hi,
I have been using Thingy52 devices for experiments for quite a while now. I would like now to use Zephyr therefore I played with various sensor samples provided with...
Hi,
In one of our private issues where we asked how to detect a lost cell, a Nordic engineer told us that:
However, we noticed that when we lose the signal/cell, then...
Hi, I just started working with NRF52-DK and SDK 15.0. I tried to test the ble_peripheral examples and they work properly. Then I tried to add the buttonless dfu inside the...
Hi everyone,
We are currently at the stage of selecting a 3rd party nRF52840 module for our prototype. Maybe my question has an obvious answer but I want to ensure that...
Hi
I am evaluating this profile:
www.bluetooth.com/.../viewer
Is it availabile an implementation in nordic sdk of this profile?
Or something similar to have a reference...
Hello,
I'm using Segger ES 4.52 and I'm having some issues while doing step by step debugging.
It tells me that some symbols are not defined, even if they actually are...
Hello,
I am working with an nRF52 and two sensors using TWI. My code is based on the TWI_sensor example from SDK 12.2. I made an interesting discovery today when trying...
Hi, I am new to creating boards with RF capabilities, so excuse me if I get anything wrong or missed something. So, going over the reference layout for the QFN32 version of...
I am trying to use UART1 on nRF52840 to communicate with another device on a custom board. I am using Zephyr. I have successfully compiled code using the function uart_poll_out...
hello Nordic
i am using nrf52832, sdk 16.0,
i have a system which need to react to multiple external interrupts on multiple pins
i see that when ' nrf_drv_gpiote_in_init...
The nRF52 SDK is limiting the transfer size to 255 byte even if the HW supports bigger buffer.
This is due to a data type that is defined as uint8_t:
typedef uint8_t...
Hi,
I'm using nRF52-DK evaluation board, and ble_app_template_pca10040_s132 (from examples of nRF5_SDK_17.00.9d13099)
I'm designing an android smartphone as a central...
After moving to v1.3.0, my build fails, because the imgtool can't find the module cbor. I see some updates for zephyr that indicate cbor.py is now required, and it's included...