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, I have been trying this for 3 days.
I was using DBGX_EVTX in SR3v1.1 to check the log, it works fine and never goes wrong.
But in v1.2, is using another function instead...
Hello everybody,
I am using central device with SDK14.2 and S132.
In a central application, the operation sequence is as follows: * Buttons pressed and scan started *...
Reading analog signals while using the ble_peripheral_uart in SDK15.0.0 and sending strings to an iPhone
I am trying to read values from an analog peripheral device. To...
Hello Support,
We are doing a production test regarding the Radio test. On nordic SDK there's already a pre-build Example for Radio. I wonder if we can do the something...
Hi. I used a translator.
I used nrfutil to insert Softdevice & Bootloader into nrf52832 and then implemented the function to flash the application using bluetooth using...
Hello.
Is it possible to use multiple serial communication on 52832?
What i mean, first serial port uses for communication with custom board' micom chip.
The second...
Hi everybody,
I'm developing an product with :
NRF52840, V0.9.0, SDK15
I want to put the MCU in sleep mode (system on) and wake up with NFC or by timer (for example...
Hello,
What is the reason why my homemade PCB half passes through NRF_POWER->DCDCEN = 1; after broadcasting DCDC does not work? How do you need to solve it?
We will get a beacon from China. But how do we know if the chip is original? If I can read the unique device id, can I say it is original? Or is there another way?
I am working on the twi_sensor example,when i compiled the code it is showing as undefined symbol "data_handler(refered from main.o)", what are the changes i need to make...
Hi,
I was successfully changing mac address dinamically DURING ADVERTISING on nrf51822 chip at each ble_radio_notification event, in this way:
Before start advertising...
Hello
How do I activate Brown-out reset? I estimated there need to set some register/registers, but I cannot findout.
Possibly Brown-out reset function is always enabled...
Hello,
I work on project for BLE communication in DFU mode.
I am testing according to the mode defined on the Nordic web page link
I did the tests with the BleuZ and...
