Hello,
I'm using the nrf51422 with 210 softdevice.
I'm trying to figure out a way for the receiving slave device to go to sleep when away from the master, but to wake...
To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
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...
I held the boot button to enter bootloader mode, and accidentally dropped a hex file into the drive that popped up. Now I can no longer get a comm port to show up on the PC...
Hi,
For our current application we have migrated from SDK 13 to SDK 14. We are using RTOS to handle the functionalities of our application. We replaced our own task for handling...
(nRF51822, but also concerned with nRF52832, SD130, SDK 12.1)
I'm trying to write/erase flash from a bluetooth event handler. As it's been outlined in other questions,...
Hi,
I am just updating my application from SDK13.0.0 to SDK14.0.0.
2 Services are in use: DIS and NUS. To advertise that, I made use of the scan response functionality...
Hi,
I have the D52QD2M4IA-A chip (from dynastream) that has inside nrf52832 chip. It has also builtin an onboard LIS2DH accelerometer. However when I am trying to connect...
Hi,
I am working on nrf52832. I am preparing application where I need to handle central connection with two peripherals and keep tracking time. I know that softdevice has...
The data sheet recommends that both the TWI clock and data lines use pull ups and the GPIOs should be set to S0D1, essentially open collector drive. I can see the need for...
When trying to follow this guide for testing bluetooth mesh on a nRF51 dev-board Cmake returns this error:
../build $ cmake ..
CMake Error at CMakeLists.txt:16 (include_directories...
Hello, I have had luck in Keil making two NRF52 connect with NUS, central and peripheral. My goal is to have one central speak to multiple peripheral at same time via a piconet...
Hi
I have just baught some nRF52840 DK boards,
and I can test the BLE throught between those nRF52840 DK boards successfully.
This indeed help us a lot about research...
Hi,
I am using SDK 12.2.0 with my custom board. As per the my requirement, i need to ground or set logic 0 of my gpio pin no. 12.
So, how can i do this?
good morning to all
I wanted to ask if anyone has a design of nrf51822 where an external temperature sensor is used, to know how the connection to the chip is. Should I buy...
Hello,
I am learning about the behavior of "Notify" transmition.
From some web sites including below, I understood as follows.
devzone.nordicsemi.com/.../
So could...
Hi,
I am new to arm and ble development. I am used to work with AVR mcus and I am trying to migrate a project from AVR to nrf52.
AVR usually has some "General Purpose...
I'm transmitting data packets each of 48 bytes in the form of notifications using Bluetooth 5.0. When I observed the logs over sniffer, I see that the packets are fragmented...
