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,
I'm trying to set up nRF Connect Toolchain and SDK manually using west, but I've encountered the following error:
Before encountering this error, I tried to install...
Hi there,
This is actually a question re. the Android BLE library ( https://github.com/NordicSemiconductor/Android-BLE-Library ), so please re-direct me if necessary.
...
Hi all,
maybe a dumb question, but here to listen any advice. I am using nus to receive data from a phone, packets are in chuncks of 256 bytes, which is the "most used"...
When I flash the card and run it, I encounter the screenshot I shared in the attachment. The error "Modem has crashed, reason 0xfff, PC:0x0" occurs. Can't I send messages...
Hi.
We are using nRF52833 (on BL653 module) where UART0 and UART1 are used for communication purposes (one with STM MUC and the other with quectel modem). Current solution...
I'm working on a personal project and have designed and printed a small prototype board containing an nrf52810, external antenna, couple of crystals, and a ws2812b onboard...
Hi,
We are developing a mesh network. Our requirement is the one device can connect to three other devices. Using one connection as a peripheral and up to two connections...
I am working on iOS pairing and bonding and connection and disconnection through UART.I am facing issue where pairing is initiated after that the device is getting automatically...
Hi,
We are experimenting with Distance Measurement feature a we observed 2 issues.
HW: Custom HW with: CR2032 coin cell -> joulescope -> 40 uF capacity in ceramic caps...
Hi all ,
I 'm experiencing issues with MQTT client connection on an nRF9160 board via LTE -M .
Some context : I 'm trying to connect to a MQTT broker via LTE -M (actually...
Hi , I am wondering if anyone with SPI expertise can answer this Q , I 'm using an nRF52840 with spi_transceive_dt()
In my devicetree I've configured SPIM on SPI3 to talk...
Hello,
I used the default sample from the nRF SDK with the same prj.conf file. I can flash it to the board successfully, but I'm seeing an error in the terminal. My toolchain...
nRF5_SDK_17.1.0\nRF5_SDK_17.1.0_ddde560\examples\peripheral\blinky_freertos
nRF5_SDK_17.1.0\nRF5_SDK_17.1.0_ddde560\examples\peripheral\blinky_rtc_freertos
I burned these...
I am using nRF52840 to interface my MPU6050 sensor via I2C , I build and flashed the program and there were no problem. But I can't see any clock signal on the default I2C...
