I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hi,
We are trying to power optimise our device but in the sleep/powerdown mode we seem to be using much more power than expected.
I am seeing consumption of approx 330uA...
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,...
