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 use the BLE multilink central example to connect to 2 sensors. I changed the example in that way that i successfully connect and read data from a Wahoo Cadence...
the application is examples\peripheral\csense , cap sensor can sense my touch, but when I cover a 1mm acrylic on the cap sensor, will not sense my touch.
so I want to know...
Hi ,
We are using BLE nano board as a connectivity board and mDot board as application chip which is running on mbed platform.Connection deatsils are same as described here...
Hi,
I am working in one application in which I need SAADC to sample two channels at 1ksps and 500 samples per seconds.
I am sending 1 and 2 to switch the sampling rate...
After trying to run keil project after setting conditional breakpoit it raises error.
is it right that nrf52 doesn't support conditional breakpoits? or something wrong...
Hi,
I'm using the SDK11 and SD130 on a custom board which has a nrf51822.
I connected via SPI to a DSP that sends and receive audio.
My handler of the SPI is as it follows...
I'm trying to send a set of 246 bytes by uart fifo. I have a PC side which retreive the data, but I always miss some bytes (4 to 6).
I'm checking app_uart_put return and...
Hello,
I would like to use the nrf51822xxaa as BLE gateway for an ARM application processor (connected through the UART).
I successfully cross-compiled pc-ble-driver...
Hi..
Can i use both observer and broadcaster roles concurrently in s130 soft device..?
Is any TDMA needed to do this..?
Is it possible to do without stooping the other...
Hi,
I have read the S132 Softdevice specification v3.0 and just want to make sure that my interpretation is correct. There are two scenarios I would like to verify:
...
Hello,
I'm working with a nrf51822, SoftDevice S120 v2.0 and SDK v9.0 platform.
Specifically using it a Central role to connect to a Blood Pressure peripheral.
When...
Hi,
As a beginner, I'm trying to have CDC J-Link Uart port work with my laptop. I'm using nRF52 board. When connecting the board to my laptop (windows 10), it displays...
Need some help on the tcp server example in the IoT SDK.
All steps working but the python script gets Connection refused.
bash# ifconfig bt0
bt0 Link encap:UNSPEC...
(nrf52832 PCA10040)
Hello. I'm trying to go along with the ble tutorial (advertising, service).
I download before last version of sdk 11 because with last 12 it's not working...
Hello everyone,
I have 2 chip; Bluegiga and nRF51-DK
I can easily advertise my custom service in Bluegiga chip. As you can see, nRF Connect application shows my service...
