Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
If I understand the nRF52 DK, there's 3 physical debug-out ports on the board. One if for the nRF52 on the DK, which is also brought out through P5. The second one is brought...
I'm implementing a BLE Central based on S132 with functionality for getting a descriptor list from a connected device.
To avoid having to maintain a complete discovery...
Hello folks,
we setup a new Project (eclipse,SKD 12.2.0, S130, NRF51822QFAAH0) based on the sdk examples. But the thing since 2 days we got a error we actually do not understand...
I have a PCA10040 board and downloaded SDK 12.2.0.
I am trying to being a project based on experimental_ble_app_eddystone. I can compile and upload the code to the board...
Problem:
IAR compiled hex file does not work for ble_app_hrs
Environment used:
IAR Embedded Workbench for ARM 7.80 Kickstart evaluation
nRF52 DK
Observation...
Hello,
I use, with success, the FDS library to save data to the flash memory. I also use, with success, the bootloader to update the application (original dual bank ble...
Hello there, thanks so much for taking the time to read. My problem is the following
I am trying to run GZP (Gazell Pairing Library). After successfully pairing with a...
We are currently trying to log our sensor data to a mobile phone through uart using nrfLogger app. We have nrf51 module and we are using SDK 12.
In nrfconnect, we select...
Hi,
I have problem with long write by sd_ble_gattc_write.
I send first 18 bytes by button on pca10028, then I waiting for BLE_GATTC_EVT_WRITE_RSP and sending rest of bytes...
I need some help with something very basic...
I need a way to upgrade my DFU BLE bootloader to either reset back to the app if no update has been sent after some timeout...
hello,
According to the "twi_scanner" example from the SDK12.2 I don't understand how the respective I2C pins/GPIOs are set up.
There is this function that I found "nrf_gpio_cfg...
My nRF52 device is an asset tracker and does not have a comm port. I have been looking at a BLE dongle setup for manufacturing test but the results are not repeatable with...
HI,
Nordic part used is nRF51822.
Is there any way to increase signal strength of BLE tx?
I see some parameters in advertising_init function for advdata.p_tx_power_level...
Hi all
According to chapter 50.2 of the nRF52832 product specification V1.2, the pins used for the UART peripheral should be configured before in the GPIO peripheral to...
