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'm using BL654 module (nrf52840 inside); SDK15; softdevice s140; IAR.
In my projects I'm using peripherals: I2C(TWI), SPI. Project based on ble_app_uart example...
Hello everyone：
Recently, a Bluetooth HID keyboard is being developed. After the Bluetooth keyboard is connected to iphone, the virtual keyboard of the iPhone is disappearing...
Hey people! First of all, I am still kind of a noob. I am developing in Eclipse Mars (4.5.2) using the SDK version 13.0.0. I used the SAADC sampling example. My application...
I've been waiting for an answer to this question for a few days now: https://devzone.nordicsemi.com/f/nordic-q-a/37487/why-is-the-hfclk-necessary-for-the-dtm-module Is there...
Hi all! I have the embedded sudio (V3.34b) and when i build in debug there are no problems, when i tried to build this project on release i get compile error (I check the...
I executed an existing working J-Link script which sends numeric values (e.g. 0) for the key of "si". That led to errors such as the one below.
I executed jlinkexe at the...
Hello,
I am working on a NRF52 DK with Segger Embedded Studio on Windows.
I have application on Android and Iphone with our custom profil. Applications on smartphone works...
Hi,
I'm trying to write a quick driver for the AD7794 on nrf51822. This works on a special SPI: the MISO line is alse the "data ready" line. So when I want to read a value...
Hi, Nordic team:
I have migrated application from SDK13.0.0(S132 4.0.3) to SDK15.0.0(S132 6.0.0) on four productions(Prepare for mass production ), but all have the same...
I am building a bed-of-nails test bench, and part of the process is to create automation tests. The basic over lay is to have the RPi flash the nRF52832 using the PCA10028...
Dear DevZone,
I had a look at the mesh-model spec published by SIG. There is a description of some generic models, my interest is on the property-server-model. I have been...
Hi,
We're working on making some more tutorials, we have some thoughts on what we want to do, but we would really like your input. After all it's you, the user, who will...
Hi
Is there a way to tell that when a connection occurs if it occurred over 1M or 125kbps modulation? From what we can see, the ble_evt->gap_evt->connected does not contain...
Hi all I just want to use UUID advertisement in solar beacon code for advertising @ 100ms interval I don't need temperature and pressure data .I also want to change type to...
