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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
I have a question regarding Direction Finding on nRF52833. I cant see any examples related to this in new SDK 16, also I cant see any antenna array recommendation. Do you...
When building a project I get a number of undefined symbols:
.\_build\nrf52840_xxaa.axf: Error: L6218E: Undefined symbol __start_fs_data (referred from nrf_fstorage.o)....
Hi,
I am planning to design a custom board using nrf52840 Soc which receive analog signal from sensor and send ADC outputs through UART to smartphones using Bluetooth communication...
Hi, Everyone
I use sdk15.2 & nrf52832
I am doing a test to read the slave address in TWI
There is one slave device on the board and the slave address is 0x68
I used three...
I am working with SPIS example ( sdk version 15.3). SPI master send data regulaly. For example, it sent 5ms cs low, but there are only two bytes transferred, the first byte...
Hi,
I'm working on a project that is using the the freeRTOS and I want to use the NFC pins P0.9 P0.10 to drive SOFTWARE SERIAL UART with a timer like TIMER1, when I try...
iPhone 8 Plus with nRF connect App[iOS], does not shows BLE 5 beacon in scanning, it only scanning BLE 4 beacons, In Spec of phone it shows it support BLE 5
nRF connect...
Hello,
I follow the nRF Connect SDK on a Windows 10 x64 computer and it's a crap. I get a lot of errors like this one. It's so crappy that I doubt that I will continue with...
Hello,
I am not able to send a command from the BLE (52810) to a DSP over UART which are on my custom board. I have modified a program that uses UART for logging purpose...
The s132_nrf52_7.0.1 documentation says: Call stack: The SoftDevice uses a call stack combined with the application. The worst-case stack usage for the SoftDevic e is 1.5...
I am doing a program based on Current Time Application example. But I have a few questions, so I hope you can help me. First, I am using Battery service together. By the way...
Hi,
In our current project we use nordic NRF52832 ble to send some data(~200 Byte / packet) to host, we expect each transmission to be done within 10ms, but results from...
Hello. nRF52 A custom board is being developed. I want to use Crypto Chip Pulse to encrypt. Pulse_Out of Crypto Chip is connected to P028/AIN4. In order to measure Pulse,...
I'm using \nRF5_SDK_15.3.0_xxxxx\examples\peripheral\usbd_ble_uart example to use two communication links. Missing echo on the USB virtual COM is a small frustration. I've...
