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...
I am working one one star network system with NRF24L01+. I got success with one pair (Single TX and Single RX) on communicating. But I could not get any positive result for...
Hi,
I'm working with an SPI FLASH chip that has a page size 256. I noticed that when I call nrf_drv_spi_transfer() , the rx length of 256 rolls over the uint8_t container...
Why the SPI clk doesn't work, i checked using an oscilloscope :/
I also don't get any SPI interrupt and no data change in the RX buffer although I have wired MISO and MOSI...
Hello,
I just encounter a compatibility issue between the two SDK (11 Vs 12).
So i have so product on the market base on SDK V.11.0.
I m developping an update based...
Currently I am facing strange issue in my project. Let me first highlight my set up. I am using the PCA10040 kit for development, keep multi-meter in series to measure current...
hi experts, I want to build a ble center based on s130 to collect sensor data from several peripheral devices. Some of them may not be from nordic solution, such as TI. so...
When I connect to my firmware after cycling Bluetooth on iOS, I am able to subscribe to my Characteristic Indications without any issues. The nRF connect app receives all...
I have two boards, one is official demo board, the other I make PCB board.
I down the open-mesh source code form github.sdk version is 8.1,open mesh stack version is 0...
Hi,
I have to send data with notification from central to peripheral, because I need save some data in peripheral device.
What I have to do ?
I test it on Adnroid 4.4 ...
Hi Sir,
I am working on nRF52832 board with pca10036 cortex M4, and i worked out spi master and slave example code on a same board and configuring spi instance 0 as master...
when using secureDFU with sdk12.2, only changed the mac address.
my application is more than 60KByte,
when i test the firmware for two files, one is 62K and an other is...
hello, im from india im using nrf24l01+ for my project to transmit and receive data between two arduinos. i tried all tutorial basic programs but i cant sucessfully send and...
