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...
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, I am using NRF5340 and I want to connect it with a 128x64 oled display with the I2C protocol (Scl, Sda, Vcc, Gnd), I have been trying to connect it for more than a week...
I want to interface 4 Digit Seven Segment display to nRF52840 Dongle and display the data(number) , which is received by it through Mesh protocol. I have successfully implemented...
Hi, I'm running a DFU ble_app_buttonless_dfu on nRF52833. Unfornately, my board is not supported it use pca10100. SDK 16 only supports pca10056 and 10040. I have used pca10056...
I have nRF52832 with factory reseted FW.
I need to make 52832 enter bootloader mode without pressing button. By just RPI4 PIN control program.
Planning PIN connection...
Hello Community!
I have an nRF52840 DK and the Segger Embedded Studio. I have Open nRF Connect SDK Project... and chosen serial_lte_modem. I build the solution modifying...
New design and I have a weird behaviour on the low voltage output of the internal LDO for CPU .
I have monitored DEC1 voltage on scope
Thats all the supply pins...
i am working with s140 on nRF-52840 and i send the data with sd_ble_gatts_hvx() and notification on custom service but the length of transmitted data always = 501 even if...
I'm attempting to check out the bootloader under the nRF Connect SDK 2.0.0. This is critical for us to be able to move off of nRF5. I am starting with the smp_srv sample,...
I would need some help undestanding zephyr bootloader compatibility and west sign options. The issue I have is as follows:
I have an old project based on Zephyr RTOS v2...
Hello Devzone,
Working with nRF9160 SICA B1A system in package, and Nordic's ncs v1.6.1 (Zephyr RTOS 2.6.0) I recently observe that a device tree board setting i2c instance...
i have a problem while i am using my phone to connect to custom service i mange to send and receive the data correctly but when i used nRF-connect for desktop the value of...
I have read the other threads regarding this, but doesn't appear to work.
I have noticed on my nRF52840 DK that P20 has a different pinout
So I have tried an assortment...
I have to implement a connection from my central device to another device with a specific name.
When I use the ble_app_blinky_c example everything works fine, BUT my central...
Hi, I have external PCB, looks like this:
Need help with flashing the nRF52832 chip via nRF52 DK, please. External PCB have identical pin assignments as QFN48 pin assignments...