During my development, I found NRF5 SDK only supports symmetric RX/TX data length settings.
Here is the on_data_length_update_request_evt in nrf_ble_gatt.c file.
static...
Hello,
I am working on a project that will require external flash. Is there an example program compatible with the following external flash device?
M95P08-I - Ultra low...
Hey,
the USB connection to my nRF54L15-DK isn't working anymore.
It is not showing up in nRF Connect Desktop and I can't find it under /dev/tty... or /dev/cu...
The...
I am relatively new to embedded and am wondering if there was a "best practices" guide / checklist for production deployment somewhere. Things like making sure you are using...
Hi. I'm trying to write a simple MQTT app. I am consistently getting these KConfig errors to do with variables I'm not using, and I have tried to set CMake to ignore these...
Good day,
I've developed a board with a MDBT50Q on it. I'm using the Reg0 DC/DC and LDO Mode Disabled reference circuit ( https://www.raytac.com/download/index.php?index_id...
Hi,
I have the issue that my Zigbee device reports the error "Production configuration is not present or invalid (status: -1)". I followed the guide from this( https://docs...
Does anybody knows exact number of the "4 SIG fixed group addresses"?
Is it 0x00? or other?
In the SIG document, there is below chapter.
Group Addresses
A Group...
Hello Sir,
I have developed a product on nRF52832 DK kit and using S132 soft device. I want to flash this same hex file into SparkFun nRF52832 using nRF52832 DK. But i...
I'd like to use nrfjprog to read contents of QSPI external memory. (I'm using an nRF52840-QIAA on a custom PCB, based on the PDK.)
Using application firmware I am able...
Hello
i am using nrf52840 dk with sdk 13.0r3 software.
on first board, using example ble_app_hrs_rscs_relay example.
on second board, using example ble_app_hrs_peripheral...
Hi,
On my single I2C Bus, I have interfaced 4 I2C slave devices.. Now my voltage level of this bus behaves randomly. sometimes It shows 3.3V, but most of the times It stays...
Hi all,
We are currently under FCC certification testing for our custom BLE module based on nRF51822 but failed with the average power exceeding the limit. Nordic Semiconductor...
I'm following the tutorial Development with GCC and Eclipse, but have problem when use GCC to compile project that use PWM library.
I found that when compile the code with...
Hello,
I am getting data from UART and extract NRF BLE packet.
I check the CRC Flag and its OK. But sometimes the UART has some error and I have to check the 3 CRC bytes...
Hi all
I have issues with E-INK display for signals I need 100ns and 500ns delays
but in nrf delay is only nrf_delay_us()
What is easiest way to get nano delays with...
Hi,
I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...
Hello,
Can you share with us the balun of the nRF52 chipset or at least the ZLoad equivalent, that is R + jX value.
The Balun if the nRF52 is a 6-Element Balun or 4...
NRF_SUCCESS Successfully queued a notification or indication for transmission, and optionally updated the attribute value.
BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection...
