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, we have run the power profiler on two different example projects, and want to understand the difference between the two.
When we run the blinky project
nRF5_SDK_16...
I am buys setting up a project on the NRF52 that needs to use the TWI. Usually I would read byte for byte, and if one of the registers has enough data to justify it, I would...
I tested sdk16.0 with secure uart debug example, that DFU needs to enter bootloader twice(press button4 and reset twice), first time to update setting file, second time to...
Hello,
I am developing using nrf51822 and J-Link.
In the Keil4 version, the RTT viewer worked fine, and only the project was migrated to the keil5 version,
but the RTT...
I'm using PCA10040 to test nRF52832.
But I can't see J-link device after connecting USB.
I installed J-link(segger), nRFgo studio, nrf command. But I can't see my PCA10040...
Hello, we are using the ble_app_uart example code, and are trying to modify it so that if a certain UART sequence is received from the connected microcontroller, it will disconnect...
Hi
I'm working on a project interfacing the nRF52840 board with the lis2dh12 accelerometer
I'm using SDK 15.3, basing my code on the provided driver and information...
Hello!
Now I have two devices about nrf52832 .One is central and another is peripheral. So I want to transfer the peripheral mac address to the central via nfc.
I do...
This is the config fun followed。
one sample every 125ns,one ant get 12us =96 samples.
and first 2+32 samples is ignored。
*******************************************...
I've already tried to set some zephyr configs, but n51822 to run as peripheral it nedds at least ~20KB
Have anyone got success or all the nrf51822 QFAA H2 will really never...
development environment： SDK 14.2 , NRF52840 as central and NRF52832 as periph for Bonding: Passkey Entry, Central displays, and the error occur on nrf52840.
I want to know...
Hi all! I am currently using an nrf52840, mesh sdk v3.20 and sdk v15.30
I have the following scenario which I am trying to solve:
I am receiving a new GAP name for each...
In an earlier thread ,
[quote userid="17188" url="~/f/nordic-q-a/33649/j-link-the-firmware-of-the-connected-j-link-does-not-support-the-following-memory-access-read-0x02000004...
I'm using the nus_c service with multiple central connections. Obviously, I need the connection handle in my event handler - ble_nus_c_evt_handler(ble_nus_c_t* p_ble_nus_c...
Our product use two NRF24L01+. One is for transmitting and another is for receiving. They communicate by 250Kbit/s. It is pre-production.
Now, we want use nrf52810 to instead...
