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...
Folks,
Have a very puzzling problem (which means I must have done something really silly :-)
Built a prototype in which the nRF52 section is a clone of the one in the...
Hi,
My team has created a custom board with NRF 52 and were able to flash the blinky sample successfully. The LED connected to P.20 is glowing on the custom board after...
Hello! I need to start a sequence of 26 pulses after getting low level signal on gpiote pin.
I can do it in gpiote event handler but I need it most of the time so I want...
I've been developing an application using the NRF52 DK and everything has been going as planned. I then made my own PCB which would take these modules by Rigado. The BMD-300...
Hi,
I am creating an application based on ble_app_hrs_c (central role). I have a few questions on this.
o I do not understand whitelist_load(). It first gets a list...
Good morning Nordic team,
I was measuring the nRF52832 chip in DC/DC mode. Everything went just as expected.
Now I was looking at the current consumption when the radio...
Hi guys. I have a EVK_NINA_B1 board which is based on nrf52832 and SDK12. I am trying to run the ble_peripheral/ble_app_uart/ from examples. I can send message through "nrf...
Hello,
I use SDK 11 with nRF52, softdevice s132.
I am able to successfully use the bootloader in serial mode (with UART) to upgrade the application, but an error occurred...
hi nordic,
After i received this kit from Mouser Electronic, when i got it check the board which some question,
we examined its outward appearance and found that this...
Hi,
I have my nrf52 DK. I would like to advertise as Beacon and be BLE (which I can connect to via iOS app) device at the same time. Do you know any examples of this kind...
Why does the macro CHECK_RAM_START_ADDR only check for C_LINK_CNT and P_LINK_CNT and not the SEC_COUNT? It is always set to 0 in the macro.
I have increased the central_sec_count...
Hi ，
I use timer to handle pwm signal,
1.when calling button by phone is pressed,
Timer starts,(function:on_key_trig_speaker_event())
2.pwm signal run (speaker_meas_timeout_handler...
Hello,
My name is krishna,
I have couple of NRF24L01+ modules,
I am trying to implement MultiCeiver in the NRF module.
The problem is i am able to receive or transmit...
