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 Sir
Now we have a project with NRF52805 and will MP by 2021 May,
We are looking for a RSSI test method for production line,
Currently, we are using a Litepoint IQxel...
Hi,
I wanted to use the project code of nrf5832 which we have created with nrf17.02 sdk and nrf5.0 mesh sdk with softdevice 132 for the board nrf5840 board. We are stuck...
I need to get quite a lot of logs and quite fast too. How do I do I get the logs into a file?
I tried with Segger RTT logger, but it tends to give up quite quickly. I heard...
I want my system to sleep for some time, but its waking up and I am unable to understand which interrupt occurred. I want to know which interrupt caused the system to wake...
Hi All,
I want to implement a function to send data from the internet coap client to nrf52840 DK coap server. The nrf52840 runs .hex file which is one modified from Nordic...
Hello, I'm testing an example of a zigby light bulb with a nrf52840 (pca 10056) board.
Here, when I press "BUTNERT 1" on ZED, I want to send the [ON/OFF] status of the current...
The average current during the nRF9160 test DRX is 2.2mA. The period of DRX is 2.56s. Using a China Mobile IoT card. I am testing on the DK board and have turned off all peripherals...
I used NRF24L01 to transmit the data without ACK mode. The receiver received the data normally when only the WR_TX_PLOAD_NACK instruction was used to send the data.If the...
Hello,
I want to set a GPIO Pin to high. Therefore I wrote the code below.
But when the software is written onto the nrf52811, I can not messure any voltage.
I do not...
Hi,
I am going to do data communication between two boards with libuarte. I see that both txdata and rxdata should be uint8_t*. But if I try to transmit the char*, will...
Hi On a nrf9160, I need to send data via UART(E) at 921600 baud. According to the UARTE BAUDRATE register documentation the register value 0xF000000 (Baud921600) leads to...
Hi,
I changed application main.c to enter in to DFU mode after 20 seconds. System is reset every 20 seconds and the boot messages are printed. The message "Booting (0x8200...
I am trying to measure distance with a vl53l1x sensor through the twi_sensor example. I uploaded the code to segger by referring to sparkfun, but twi_handler does not work...
Hi
using sdk17, softdevice132...
There are some parts of the central implementation that I don't understand.
It is based on cle_uart_app_c.
Isn't the function bl_nus_chars_received_outprint_print_called...
