I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hi. I am a beginner with nrf52832. Trying to get Bluetooth and UART and a I2C peripheral working at the same time. I had a working version of the I2C peripheral and UART working...
I have problem with both custom boards and DEV board.
From a certain time after GPIO direction bit seems not effecting the pins.
To get rid of software factor, I all erase...
Hello,
I'm currently using nrf8001 to sent a 20-byte packet. It works fine and my phone application receives the right data. However, when I send another packet that has...
Hi,
I try to create program which will save same data on SD card, I'm using evaluation board nrf52 (nrf52832) and using SDK 13 (nRF5_SDK_13.0.0_04a0bfd) and programing it...
nRF52832 custom board plus some devices. Using SDK 15
I want to count pulses from a previously configured accelerometer. Pulses are slow, around 500 per minute.
I have...
I am experienced with ARM Cortex-M devices, but new to Nordic. I am using C++, and have a publisher-subcriber event driven framework of my own in place already. My own software...
Hello
I am experimenting a little with the Nordic Thread SDK v2.0.
I have a usecase that requires coap security. I havent been able to find info on secure coap connections...
i just got my nRF52DK, turned it on, and tried to read the nfc tag with my phone, but it looks like it is a broken link:
https://www.nordicsemi.com/start52dk
Perhaps...
Hello community,
I'm facing a problem with nRF51 DK PCA10028 and a function call on connected or disconnected state including NRF_LOG commands. Using SDK 12.3.0
On connected...
Hi, i have an existing product but the firmware has been removed from it. i have tried to use the dfu to replace the firmware but i dont know how to get the chip to the point...
The board has been working well.
Since one day, when I try to connect the board with my laptop using micro usb cable, the led5 starts blinking rapidly and I'm unable to...
Hi,
I'm trying to send and receive data to DATA interface that contains IN and OUT bulk endpoint (usbd_cdc_acm example). I'm using libusb on the PC side. It seems like I...
Hello,
I use PPK to measure the power consumption.
but I always get : Failed to start the PPK.
I have measured it last week and it is work.
and this is nrf connect...
Hi Team,
i am working on nrf51822 customized board, the SDK version is 12.3.0 (soft-device is s130 ) and Developing environment in keil 5.26 (on windows).
i am trying...
github.com/.../nrf52-ble-multi-link-multi-role I modified the code to access the environmental values and motion value
but if one thingy access one value such as temperature...