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...
Hi,
I have a code word well in nRF52832 used twis1.I transplant it from nRF52832 to 52810.First I enabled twis0,Second, change NRF_DRV_TWIS_INSTANCE to twis0.Then I can...
Hello!
nRF52832, SDK15, SES
I'm working on a project where DFU is activated by receiving a command from the app. I took ble_app_buttonless_dfu as reference.
For starters...
Hi,
I am using SDK14.2, s132, with nRF Connect on Android.
I have used my own implementation of the CTS_C BLE service. The chip is able to detect, and request the...
Nordic Semiconductor-ites and fellow forum members have yet to steer me wrong so here we go.
My product has 52832 on both sides. The central and its 21col x 2 row LCD display...
Hello,
I am developing an application with SDK 15.2 on my nRF52840 development board (pca10056) and want to run it on my nRF52840 dongle (pca10059). I have hit a problem...
We have been comparing the current consumption of the nRF52 running FreeRTOS Tickless Idle versus a constant tick and using the idle task to sleep and the results are interesting...
Hi,
Does the pc_ble_driver_py contain any API for paring or bonding bluetooth devices? And if so, do you have any examples or documentation which explain how to use them...
Hi,
Is there a way to reject a buttonless DFU attempt (nRF52832, SDK14.2) ?
I want my application to allow DFU only when certain conditions are met.
I thought using...
Hi,
Can anybody clear me on the maximum and minimum connection interval with some good example. I have not understood the connection intervals clearly.
Regards,
An...
I am working on a BT mesh network where nodes are mostly sleeping (to conserve power) when they wake up, they need to send a sensor reading to another node (which is always...
It is unclear for me why the following code look like this (conn_ble_gap_sec_keys.c, SDK15):
Is it logical that here the SER_MAX_ADV_DATA is used? is there actual advertising...
Hi , nrf connect V.2.5.0 in windows 10 64bit, fails to launch Bluetooth low energy app. "DEBUG UART read operation on port aborted" is the log info which i came to know from...
Hi,
I have a BLE sensor node (firmware not modifiable) that takes up a peripheral role and starts advertising when powered up. Typically, one can scan for the node from...
Hi All!
I have been working on bringing-up a custom manufactured nRF52832 board. I have with me 6 boards, the first 3 are working fine, the other 3 are not. In both cases...
Hello all,
I'm practicing creating my own service following instruction from this link: https://github.com/bjornspockeli/custom_ble_service_example
Now I stuck at part...
