Hello everybody,
for my project, i will bond the peripherial with the central.
I test my device with the MCP and can connect without problems. When i press the Bond Button...
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...
Several places in the SDK (every version I've looked at) mention a function nrf_wait_for_app_event(), but it doesn't seem to actually exist in the SDK anywhere. Does it really...
Hi,
every one i am try to create a file in sd/sdhc card but it is not creating with fatfs file system i used chans library.But it is reading a existing file which is of type...
I'm using Eclipse Mars with gnuarmeclipse plugins to evaluate the new nrf52 preview board. After much fighting, I've got the blinky example project building but now I can...
I am using the EmbSys Registers Eclipse plug-in to view the nRF51822 register values. The majority of the registers allow read only. Why isn't the access set up so that more...
While attempting to test multiple iPhone models on the ANCS example, I'm finding that even after I forget the nRF DK from the iPhone's Bluetooth menu, I have to reset the...
Hi:
I use the demo code (nRF51_SDK_9.0.0_2e23562-NORDIC\nRF51_SDK_9.0.0_2e23562\examples\peripheral\spi_master) find a BUG(?) : when i use 1M clock , 1byte translate use...
Hello,
I am currently optimizing the throughput for my mesh network and I am wondering whether I've hit the limit of what's currently possible. I have two methods for sending...
I want to measure the RSSI strength of my Bluetooth module, in various distances and situations.
I read in the description of the app nRF Master Control Panel that:
...
I'm trying to change the mac address of my nRF51822 chip using something like:
ble_gap_addr_t m_address_1;
m_address_1.addr_type = BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE;...
Hi,
I use GCC for compilation and nrfjprog for flashing. A few weeks ago I needed to switch on compiler optimization (Level 1) because my code grew a little too big. Now...
Hi,
I would like to have several nRF51 development cards connected to my computer at the same time using the USB debug port. The serial port and the RTT port work when several...
Hi,
We are trying to develop application with OTA DFU on nRF51. And we need to build bootloader ourselves. We use gcc for development. We found the bootloader example for...
I tried to run beacon example (from SDK 9.0). Even after uploading hex file I was not able to "see" becon. I'm using st-link v2 and openocd. Let me tell a bit more about what...
Hi,
I'm making device with nrf51822 chip and 400mA battery.
It connects to smart phone.
It has to calculate heart rate and some other things, so it's doing it on device...
