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...
Hello, everyone~
I plan to use the Low Energy Secure Connection funtion with nRF51822. But when I build the lesc example in SDK 12.3.0 (ble_multirole_lesc), there's a error...
Using the sdk15 and softdevice 132 v6, I'm setting up an app to read and write to an SD card that uses SPI1 (SPI0 is used by a display). Everything is working great, except...
Hi,
What's is the max length for the payload data in "mqttsn_packet_sender_publish" method?
EDIT:
Redefining my question above: What's is the max length for the payload...
Hi Sir,
According the table 19.4.2 of 52832 datasheet (v1.4), there is a start up time (0.36 ms) for HXFO.
How do I measure the start up time of my 32M crystal?
If...
Hello,
While an attempt to develop solid security mode bulded around Root of Trust starting from RTL and Device root key we found that unfortunately, it is mentioned in...
I would like to detect if a reset happened due to a brownout or an actual power off.
I tired so far using the GPREGRET and RESETREAS registers. They are useful to detect...
I have an app that works perfectly when run from the debugger, but not when started by HW reset. We use the serial port to communicate to a control processor (STM32) The Nordic...
Hi,
I was trying to test a slot circle antenna with nRF52832 which is well matched to 2.4G~2.48GHz, but it is circular polarized antenna with high directivity.
However...
Hi All!
I use nrf51822 with sd s110 to send data to android phone with sd_ble_gatts_hvx. If sd_ble_gatts_hvx returns NRF_SUCCESS then that packet get to TX buffer. I didn...
With nRF5 SDK v15, the code size became too large for the free version of UV5 , Is there a way to reduce the code size by reducing some array size or commenting something...
Hi There,
I'm stuck with Getting BLE uart working in another example.
I wasn't sure if converting the BLE Uart example into a central/peripheral application would be more...
Hi.
I want to read thingy's sensor data. I'm using nRF52840 DK.
I have tried using ble_app_multi_link_multi_role example, but there are only read button state.
How can...
Hello everyone !!!
I've recently started working with Segger Embedded studio for nfr52840. I want to add a new driver into an existing projects.Let's say GPIOTE
I...
Hello,
Recently i am working on UART application on nRF51822 based product.
In UART application code, there is no option to configure the modulation rate.
So, I would...
Dear friends,
if i adjust the tx power of nRF52832, e.g., by calling sd_ble_gap_tx_power_set(), which phase of the current will be affected in the pic bellow? just the phase...
