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...
Went through the pin_change_int example and of course it works fine.
Migrated that to custom board and it also worked fine with main loop.
So I then tried to use that...
Have an application that configures a wifi SOC using spim before enabling BLE scanner.
When it is running there are 4 timer events running and the main loop check status...
Hello,
Zephyr 1.14.0 includes the nrfx code to use GPIOTE and PPI and my code compiles but I get
undefined reference errors to the nrfx_gpiote_ and nrfx_ppi_ functions...
Few issues I'm facing -
1. I have gone through the related blogs, tutorial, documentation for DFU. nRFConnect cannot connect to the Fanstel BM832 chip. It gives me an error...
hi
I connect AT24C02 EEPROM with nrf52dk.
I already test EEPROM with arduino and it work fine.
Now i want to communicate with NRF52DK kit,so which example I would prefer...
Hi Nordic.
I have an issue that I'm really stuck on. I am trying to send data from a radar sensor via your nRF52 DK BLE board. I've managed to make a working connection...
Hello,
we would like to use a nRF52DK for a simple bluetooth production testing as mentioned in AN34. If we are using an external 50R antenna on J1 do we need to cut the...
I am using nRF52832 SDK 15.2.
I would like to avoid using the 32.768kHz oscillator to save space and cost.
I am using BLE and sleep mode ON.
I defined in sdk_config...
If I build/flash from the command line with "west build -b nrf9160_pca10090ns" and "west flash -d build" it loads a fully combined image with mcuboot and (spm+application...
I am trying to write a program in C to have my central device(nRF52840 dongle) read the RSSI from a peripheral. I have never written C code before and was told to use:
TASKS_RSSISTART...
Hello, I am using nrf52832. My BLE device is slave device and its sending notification to master. I want to know if there is any feature to know if notification from particular...
Hi,
I am trying to read signal strength inside my code. At the moment I know I can do this with AT commands:
AT+CESQ +CESQ: 99,99,255,255,255, 46 OK
RSRP = -140 + 46...
Hi,
I am trying to develop a high speed application using the nRF51822 chipset. As part of my application, I need to send at least 125 HID IN reports (each 20 bytes long...
Hello Nordic,
I'm developing app with nrf52840, SDK15.3.0 and s340.
The work almost has done, so we need to test ourdoor.
The problem is that we don't find out the...
