Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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 nrf9160 with aws_iot library with zeyphros
Now the issue is when aws is initalized I get mpu fault, I have tracked down that issue is coming from mqtt helper...
It gives an error while updating with DFU. I am using the internal oscillator in the circuit. When I try it on a card with an external oscillator, the same DFU file works...
Hi!
I might be missing something obvious, but I'm having trouble reading the battery level at the Coiote LWM2M server connected to my Thingy 91.
The Thingy runs the asset...
Hello,
I am using the modem firmware 1.0.1 for DECT-NR+.
nrf_modem_dect_phy_modem_cfg in the latency field contains fixed delays in modem time units. Are those automatically...
I have been using an nRF52840 dev board and a nRF5340 dev board to program Bluetooth demos. Just today my nRF52840 board became very difficult to flash I get the error,
...
Bluetooth ips profile cannot access wan and can only communicate within the local area network. I am now using ubuntu as the router role of ipsp. Ubuntu has two network cards...
Hello,
We are currently implementing a custom DFU process for one of our client. They need to be able to upgrade the cores images, which are read from an SD-card. We already...
Hi everyone
We have had the experience on two different LwM2M servers that the Observer attributes are not being respected by the LwM2M client. Reading the Observer attributes...
He nordic expert:
Could we use CMW500's connection mode to test nRF52840's BLE RF? If nRF52840 support such connection RF test mode?
Following picture is CMW500's BLE...
Thanks in advanced. I want to implement OTA on sdk17.0.2 with nrf52832, but the example secure_bootloader and ble_app_buttonless_dfu are both configed with NRF_CLOCK_LF_SRC_XTAL...
I have a IoT design that needs to support multiple AWS service endpoints, depending on which region the device is operating or which SIM is being used. For example, ao3k4sem2hoef...
Hi,
I am developing a BLE secure connection with the help of Dev Academy.
I found out that what I am implementing is Legacy Pairing, not LE Secure Connections.
This...
We are migrating from development on the nRF52840-dk to a custom board. We have created the files necessary to have the board show up in vs code. We can build and flash successfully...
I've written a GUI in python on a windows laptop which communicates fine with an nRF MCU when using open broadcast and no security. I'm using python's bleak library to connect...
Hi,
I had previously had a working project that was on the v2.5.1 toolchain sending mqtt messages up to my AWS IOT core. I then created a workspace in v2.6.1 and opened...
