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...
Are there any recommended alternatives (& nordic plugins) to the discontinued Bluetooth Developer Studio? I'm looking for a tool to make the process of creating custom GATT...
Hi! I want to copy data from internal flash to a statically allocated buffer in RAM. I get a DACCVIOL hard fault try to do this by memcpy. The hard fault depends on the number...
I need to send 5 sensor values received over SPI to an app over BLE about 5 times a second. I also need to send a few configuration parameters from the app back to the nrf52...
I am using nRF 52 DK connected to Arietta with ARM Linux (4.2.6) 32 bit.
when I was trying to install "vcpkg" using "./bootstrap-vcpkg.sh", I am getting some errors as shown...
I have a phone app which talks to my peripheral device running the nrf52832 and so I will eventually add another peripheral device which ideally can communicate directly to...
Hello everyone!
I'm working on a project where there are 2 microcontrollers: the Nordic nrf52832 and a 3rd-party uC (can't disclose it). A protocol to transfer the firmware...
I feel confused about bearer. what's the difference between mesh-bases bearer and PB-ADV bearer or PB-GATT? there is little knowledge about mesh-bases bearer within mesh profile...
Good afternoon,
At the place I'm working there's 2 main projects using the nordic SDK, while one runs on the 12.3 version, the other is very outdated and still runs on...
Hi,
I'm having a problem at the moment with code based on Espruino on nrf52.
I connect as follows:
ble_gap_scan_params_t m_scan_param;
memset(&m_scan_param, 0,...
I've seen a few post that have similar issues but none that solve my problem.
I have two uarts (uarte0 and uarte1).
I disable them before going to sleep.
I wake with...
Hello,
I cannot successfully flash an nRF9160-Dk to a usable AT modem state using a brand new install of nRFConnect on Windows10, following this Blog post guidance - https...
I am working on 802.15.4 using nrf52840 and sdk 15.2. I want the receiver node to scan the network for beacons transmitted by the transmitter node for 100ms, go to sleep for...
So its seems nrf9160 docs recommend having VDD_GPIO only at 1.8v ... that running at 3.0v (or 3.3v) will compromise LTE performace.
I have 3.3v rail and 3.3v SPI device...
Hi Folks,
I'm trying to use the Power Profiler Kit. Unfortunately I keep getting 'Failed to start the PPK'. I've updated the drivers (and can program the nrf52832 DK with...