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 an nRF52832 with S132 and SDK v15.0.0 and already read in the forum about issues related to the SAADC calibration (inlcuing the erratum [86]). The problem...
Hi Nordic,
I have 2 charac i can write, let's name it A and B.
When i write into A, it trig ble_A_on_ble_evt , BLE_GATTS_EVT_WRITE , no problem.
But w hen i write...
I started developing a project on nRF52. My task is to read the value from the light sensor (phototransistor).
The sensor is connected in this way:
my code:
init...
when i Use 2.4G radio to communicate with other modules,like cc2510, i have many questins:
1. as we known that CC2510 ' modulation format of the radio signal ,MSK is only...
Hi,
Maybe this is obvious, but I couldn't find the answer anywhere online. When I power my dongle from an external 3V3 source, can I still plug it in to my computer and...
Hi, during my tests, I use an NRF52 Dongle with the nRF-Connect app as a USB/BLE interface, but now I need to handle some custom data. I have seen that the dongle uses a COM...
Hi!
I'm working on using the SAADC in 14-bit sampling mode (oversampling set to x2) using nRF SDK 17. The supply voltage for my chip is 3.3V, and I have the reference...
Hi @ all, can anyone here recommend me a suitable chip antenna, preferably one with matching regulatory documents in combination with a nRF52840 MCU.
Thanks and best regards...
I am trying to flash a NRF52832 using the J-link EDU mini in the Arduino IDE but I am having no luck.
I have successfully downloaded... 1. J-Link Software and documentation...
While digging for electrical information I came across :
.63ma using HFINT or 1.58ma using HFXO ?
So I hunted down HFXO to see how to switch between them:
But nothing...
please advice how to add "QDEC_NRFX" to the project configuration of 5340
1. it's not on the default menu config
2. I have tried adding under "ncs\v1.4.99-dev1\zephyr...
Hello
I evaluated FOTA using the http_application_update example. This worked so far until I tried to use my own key for image signing. I created my own PEM-file using the...
Hello,
With nRF52840, I using SDK ver.16 to create a USB HID multiple touchscreen. I need to set up value some HID feature report. Such as Contact count maximum. I have...
Hi,
I want to configure the nRF52840 with Multi-role capability. I will be using the Central role as well as the peripheral role simultaneously. However, i'd like to maximize...
