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...
Hello. I have a breakout board (SMARTMP3 VS1053) and it has also a slot for memory card, so I connect the wires (SCK, MOSI, MISO and CS) to my nrf52832, but it can't see the...
What is the recommended way to protect characteristic value from modification while it is being read by a client?
I have a test application with 500-byte long characteristic...
Dear Team,
is there a tutorial on how to start from scratch a project for zephyr nrf91? With all configurations and flags...
That would be great!
Thanks & cheer
O...
Hello,
We're trying to create a custom bootloader from scratch and we're struggling with a weird behavior. This is for the nRF52840 and the bootloader doesn't use the softdevice...
The SDK version is 15.0.0, SD 132, single peripheral conection.
the configuration:
this is how i request the timeouts:
With the timeouts of about 50ms and less, the...
Hi guys,
I tried to modify "configs.c" or ".config", modified CONFIG_GPS_SIM_TRIGGER_TIMER_MSEC = from 2000 to 10000 .
But the device still sends GPS data every 2 seconds...
Hi there
I have a design in production using Gazell at 250kbs on a NRF51822
I would like to update the design using a nRF52840 but it doesn't support the data rate that...
Hi,
We are looking for a consultant to help us port our product's ( https://www.ncase.io ) firmware from Simblee to the Nordic nRF51822 or nRF52832. Experience with Nordic...
Dears:
I test the uart dfu by examples\dfu\secure_bootloader\pca10056_uart
After I enter command like below：
nrfutil dfu serial -pkg Sena_app_uart_s140.zip -p COM5 ...
My project is Obj-C , and “ pod 'iOSDFULibrary' ” in my Podfile.
It worked fine until I upgraded Xcode to 10.2. There are some errors(about 100) occurred during project...
Hi all
I am doing multiprotocal from sdk15.3 and I am trying to add nrf_gzp.c, nrf_gzp_host.c, and nrf_gzp_host_nrf5x.c in to the project
after compile successfully and...
I was wondering, is it possible to suspend/resume flash operation in nRF52840 (internal flash)? Like flash erase suspend, and also flash write suspend/resume?
Thank you...
Hi,
Might be a silly question,
but is there a gattc equivalent of the "BLE_GATTS_EVT_HVN_TX_COMPLETE", ie a similar/equivalent event that gets generated when a central...
Hey, I am working on the proximity application on nrf51 DK. How can I get the bsp_event_handler to get triggered on a button multi press (such as pressing button 1 twice rapidly...
Hi,
Do you have support for mobility in Cat-M on your nRF9160? This is usually done in RRC connected, but i'm wondering if you are able to support it in eDRX as well?...
