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,
My device sends the advertising packet when some button pressed.
Then phone app will connect to my device and do some process between my device and disconnect.
Then...
Hi
I am using nrf52840 Dongle.
I am trying to write data to usbd using app_usbd_cdc_acm_write(usbd instace, buffer, length). But i am unable to see buffer data on virtual...
Dear ,
I am using nrf 9160 DK,
and trying to send a package of data to UART.
For example my package is: "LONGITUDEx:10.123456,LATITUDE:59.012324,UTC:20190513095612...
I am having an issue with receiving a data stream. I had started out with using the MQTT sample and experienced this issue, so I decided to strip it down to strictly a TCP...
Hallo
Im trying to get the system into DFU mode from a PC application (not the Nordic connect)
The DFU works perfectly with the Connect application and nordic tools
...
I ported an existing application(modified from SDK 15.2.0) from IAR compiler to GCC compiler in windows environment. I used the SEGGER SES for final linking using the default...
Hello,
I am using light switch example for nrf52832 development boards.I have enabled the low power node in client example.
Is it possible to configure server in normal...
The ble_gattc_write_params_t structure passed to sd_ble_gattc_write() includes a flags parameter, described as GATTC execute write flags.The only values listed for this, other...
Hello,
we plan to develop an BLE-application that needs to be as low cost as possible. One of my favourite BLE-SoCs in regard of pricing is the nRF51822-QFAB with 128kB...
Hi, I'm looking for a way to communicate with Blue tooth. I need a low footprint chip that allows for a BT HID gamepad application. I'd prefer to communicate via i2c, or some...
My application uses the nRF51822 with a GPIO configured as output and another GPIO is configured as input. Connected to the GPIO_OUT is a resistive load (Rload) which then...
Hi, we switched from your competition to your platform. I know you wrote somewhere that you cannot provide examples for every sensor out there. But your Nordic Dev Zone is...
I have run many tests using the light_switch demo. I have noticed that occasionally the latency is much larger. The latency jump is between sends, i.e. it will send 20 times...
I am using 3 mobiles for testing
1. One Plus 6
2. Samsung Galaxy Note 8 or Google Pixel
When I connect my hardware with #1 phone and send some data from the nRF Connect...
hello.
i am new to nrf52832
my question is when i press the button it will goes to interrupt handler then turn on the led if i press the same button led will turn off...