Hi all,
I am trying to count the positive edges of a 3.5MHz signal with GPIOTE, PPI and the TIMER1. Unfortunately i can only measure to frequencies up to a little more...
Loaded Softdevice S140, ( Using NRF52840 DK board ) using NRFgo Studio.
App flash base is set to 0x00021000 and app RAM base is set to 0x20003000
Looking at the CPU...
In our earlier projects with nRF51 and SDK 8 we used to have bluetooth device names of length 13 or 14 characters. However, when using nRF52 and SDK 12 I noticed that the...
Does the Antenna in this Beacon relates with this "BAL-NRF02D3 '50 ohm balun transformer for 2.45GHz ISM"? Any idea what's this "BAL-NRF02D3" for? many thanks!
I am using a eeprep tool which can only be used with command prompt. I am struggling with it.
Here is the format to use eeprep tool :-
usage: eeprep [options] <infile...
Description : It is not possible to flash or debug an application with IAR on the Nordic target. This issue is caused by a bad interaction between CMSIS-DAP IF present on...
Hi,
What should i do after i load mesh app in " github.com/.../nRF51-ble-bcast-mesh" adress?i have two board
When i download the app,why doesnt advertising exist.i cant...
We are applying the CE certifcate for a product using nRF51822 and softdevice S130. Certification lab requires us to fill in below techanical questions. Please help to answer...
Hello, my program stuck at these assembly codes:
I decided that it was stuck because I keep pressing F11 and it just go around in circles in these 4 lines.
So:
...
Can't I connect to device that hasn't been discovered yet??
I'm trying to connect one device( A ) to another device( B ) which ADDRESS is known but never discovered yet...
Hi there,
We're looking at doing something with beacons so that we can make use of the way iOS handles scans for them in the background differently to other peripherals...
The debugger does not work with the latest GNU toolchain for ARM Cortex-M build. It throws the following error on Eclipse:
Could not determine GDB version after sending...
GPIOTE Library makes my Board(nRF51422-QFAC) Brick??
I just build my nRF51422 Board, and It's pretty working well before I've used GPIOTE Library.
Before using GPIOTE...
Hi everyone,
I am seeing an issue where the SPI (master) ignores the first byte of RX buff and begins storing the received bytes from RxBuff[1] instead of RxBuff[0]. In...
Does anyone know if there is any documentation of nrf51822's current consumption? Perhaps, something similar to CC254x's Application Note . I'm mostly interested in the current...
Hello,
I would like to build two boards that can send small messages between them, at long distance. For that I would like to use some of your devices (I used 51822 in...
Hi
I have working module which communicates via uart with another module. It works good, unless it is heated to 40C. After that temperature UART communication is not correct...
Hi Engineers!
We made our own ten (10) PCB's with nRF52840 MCU onboard fully according to "Circuit configuration no. 3":
1. LDO only mode (VDDH connected to VDD connected...
I have a custom circuit with nrf52832 which I am trying to program.
All i/o pins seem to be working fine except pins P0.06 - P0.10.
I'm testing it with mbed (digitalout...
Hi,
Thanks for taking the time looking into issue.
We are using Keil uVision 5.14.
Our target is a custom board (BMD200 eval Module based on nRF51822)
We were able to...
Hei guys,
for a new custom board based on nrf52832 where i have to minimize power:
have an external Li-Po battery, with a cutoff @3.0v, so the range will be 4.2v...